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Matsubara N, Katakura S, Takahashi R, Akamatsu T, Yasuma H. Sound properties produced by white-edged rockfish (Sebastes taczanowskii) in relation to body and swim bladder size. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2023; 153:1703. [PMID: 37002103 DOI: 10.1121/10.0017424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 02/10/2023] [Indexed: 05/18/2023]
Abstract
The sound properties produced by the white-edged rockfish (Sebastes taczanowskii Steindachner, 1880) were compared with the body size. We conducted a tank experiment to compare the sound properties with body length, which ranged from 12.4 to 19.8 cm. Sound production was composed of pulses with a duration of 0.010-0.022 s and a peak frequency of 400-1000 Hz. Peak frequency decreased with fish and swim bladder size and pulse duration. The relationship between sound properties and body size may be useful for estimating the body length of the target species by using passive acoustic monitoring.
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Affiliation(s)
- Naoto Matsubara
- Fisheries Resources Institute, Japan Fisheries Research and Education Agency, 2-12-4 Fukuura, Kanazawa, Yokohama, Kanagawa 236-8648, Japan
| | - Seiji Katakura
- Mombetsu City, 2-1-18 Mombetsu, Hokkaido 094-0005, Japan
| | - Ryuzo Takahashi
- Fisheries Technology Institute, Japan Fisheries Research and Education Agency, 7620-7 Hasaki, Kamisu, Ibaraki 314-0408, Japan
| | - Tomonari Akamatsu
- Ocean Policy Research Institute, The Sasagawa Peace Foundation, 1-15 Toranomon, Minato, Tokyo 105-8524, Japan
| | - Hiroki Yasuma
- Faculty of Fisheries Science, Hokkaido University, 3-1-1 Minato-cho, Hakodate, Hokkaido 041-8611, Japan
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Dunlap KD, Koukos HM, Chagnaud BP, Zakon HH, Bass AH. Vocal and Electric Fish: Revisiting a Comparison of Two Teleost Models in the Neuroethology of Social Behavior. Front Neural Circuits 2021; 15:713105. [PMID: 34489647 PMCID: PMC8418312 DOI: 10.3389/fncir.2021.713105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 07/12/2021] [Indexed: 11/30/2022] Open
Abstract
The communication behaviors of vocal fish and electric fish are among the vertebrate social behaviors best understood at the level of neural circuits. Both forms of signaling rely on midbrain inputs to hindbrain pattern generators that activate peripheral effectors (sonic muscles and electrocytes) to produce pulsatile signals that are modulated by frequency/repetition rate, amplitude and call duration. To generate signals that vary by sex, male phenotype, and social context, these circuits are responsive to a wide range of hormones and neuromodulators acting on different timescales at multiple loci. Bass and Zakon (2005) reviewed the behavioral neuroendocrinology of these two teleost groups, comparing how the regulation of their communication systems have both converged and diverged during their parallel evolution. Here, we revisit this comparison and review the complementary developments over the past 16 years. We (a) summarize recent work that expands our knowledge of the neural circuits underlying these two communication systems, (b) review parallel studies on the action of neuromodulators (e.g., serotonin, AVT, melatonin), brain steroidogenesis (via aromatase), and social stimuli on the output of these circuits, (c) highlight recent transcriptomic studies that illustrate how contemporary molecular methods have elucidated the genetic regulation of social behavior in these fish, and (d) describe recent studies of mochokid catfish, which use both vocal and electric communication, and that use both vocal and electric communication and consider how these two systems are spliced together in the same species. Finally, we offer avenues for future research to further probe how similarities and differences between these two communication systems emerge over ontogeny and evolution.
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Affiliation(s)
- Kent D Dunlap
- Department of Biology, Trinity College, Hartford, CT, United States
| | - Haley M Koukos
- Department of Biology, Trinity College, Hartford, CT, United States
| | - Boris P Chagnaud
- Institute of Biology, Karl-Franzens-University Graz, Graz, Austria
| | - Harold H Zakon
- Department of Neuroscience, University of Texas at Austin, Austin, TX, United States.,Department of Integrative Biology, University of Texas at Austin, Austin, TX, United States
| | - Andrew H Bass
- Department of Neurobiology and Behavior, Cornell University, Ithaca, NY, United States
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Kang IJ, Qiu X, Moroishi J, Oshima Y. Sound production in Japanese medaka (Oryzias latipes) and its alteration by exposure to aldicarb and copper sulfate. CHEMOSPHERE 2017; 181:530-535. [PMID: 28463727 DOI: 10.1016/j.chemosphere.2017.04.088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2017] [Revised: 04/19/2017] [Accepted: 04/20/2017] [Indexed: 06/07/2023]
Abstract
This study is the first to report sound production in Japanese medaka (Oryzias latipes). Sound production was affected by exposure to the carbamate insecticide (aldicarb) and heavy-metal compound (copper sulfate). Medaka were exposed at four concentrations (aldicarb: 0, 0.25, 0.5, and 1 mg L-1; copper sulfate: 0, 0.5, 1, and 2 mg L-1), and sound characteristics were monitored for 5 h after exposure. We observed constant average interpulse intervals (approx 0.2 s) in all test groups before exposure, and in the control groups throughout the experiment. The average interpulse interval became significantly longer during the recording periods after 50 min of exposure to aldicarb, and reached a length of more than 0.3 s during the recording periods after 120 min exposure. Most medaka fish stopped to produce sound after 50 min of exposure to copper sulfate at 1 and 2 mg L-1, resulting in significantly declined number of sound pulses and pulse groups. Relative shortened interpulse intervals of sound were occasionally observed in medaka fish exposed to 0.5 mg L-1 copper sulfate. These alternations in sound characteristics due to toxicants exposure suggested that they might impair acoustic communication of medaka fish, which may be important for their reproduction and survival. Our results suggested that using acoustic changes of medaka has potential to monitor precipitate water pollutions, such as intentional poisoning or accidental leakage of industrial waste.
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Affiliation(s)
- Ik Joon Kang
- International Student Center, Kyushu University, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan.
| | - Xuchun Qiu
- Laboratory of Marine Environmental Science, Faculty of Agriculture, Kyushu University, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan
| | - Junya Moroishi
- SEIKO Electric Co., Ltd., Tenjin 3-20-1, Koga City, Fukuoka, 811-3197, Japan
| | - Yuji Oshima
- Laboratory of Marine Environmental Science, Faculty of Agriculture, Kyushu University, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan
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Boyle KS, Tricas TC. Discrimination of mates and intruders: visual and olfactory cues for a monogamous territorial coral reef butterflyfish. Anim Behav 2014. [DOI: 10.1016/j.anbehav.2014.03.022] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Wilson LJ, Burrows MT, Hastie GD, Wilson B. Temporal variation and characterization of grunt sounds produced by Atlantic cod Gadus morhua and pollack Pollachius pollachius during the spawning season. JOURNAL OF FISH BIOLOGY 2014; 84:1014-1030. [PMID: 24646040 DOI: 10.1111/jfb.12342] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2013] [Accepted: 01/13/2014] [Indexed: 06/03/2023]
Abstract
Fine-scale temporal patterning in grunt production and variation in grunt attributes in Atlantic cod Gadus morhua and pollack Pollachius pollachius was examined. Pollachius pollachius produced only a single sound type, the grunt, similar to that previously described for G. morhua. Sound production and egg production were correlated in P. pollachius but not in G. morhua. Only G. morhua displayed a strongly cyclical pattern, producing more grunts at night. Finer-scale temporal patterning in grunt production was observed in both species which produced significantly fewer grunts following a period of high grunt production. These quieter periods lasted up to 45 min for P. pollachius and up to 1 h in G. morhua. Grunts were not always produced in isolation but organized into bouts in both species. Longer bouts were more frequent during periods of increased sound activity and were linked with changes in grunt characteristics including increased grunt duration, pulse duration and repetition period of each pulse combined with decreased dominant frequency. This study provides the first evidence of acoustic signalling being used by spawning P. pollachius and presents the most detailed analysis of the complexity of gadoid sound production.
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Affiliation(s)
- L J Wilson
- Scottish Association for Marine Science, Scottish Marine Institute, Oban, Argyll, PA37 1QA, U.K; Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews, Fife KY16 8LB, U.K
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Kramer B, van der Bank H, Wink M. Marked differentiation in a new species of dwarf stonebasher,Pollimyrus cuandoensissp. nov. (Mormyridae: Teleostei), from a contact zone with two sibling species of the Okavango and Zambezi rivers. J NAT HIST 2013. [DOI: 10.1080/00222933.2013.807950] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Golubtsov AS, Orlov AA, Levin BA, Dgebuadze YY, Baron VD. Electric organ discharges in the dark and light forms of speckled stonebasher Pollimyrus isidori (Mormyridae, Mormyriformes) of the Nile basin. DOKLADY BIOLOGICAL SCIENCES : PROCEEDINGS OF THE ACADEMY OF SCIENCES OF THE USSR, BIOLOGICAL SCIENCES SECTIONS 2012; 444:184-187. [PMID: 22760620 DOI: 10.1134/s001249661203012x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2012] [Indexed: 06/01/2023]
Affiliation(s)
- A S Golubtsov
- Severtsev Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russia
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LAMML MICHAEL, KRAMER BERND. SOUND PRODUCTION IN THE TERRITORIAL BEHAVIOUR OF THE CHURCHILL PETROCEPHALUS CATOSTOMA (MORMYRIDAE, TELEOSTEI) FROM THE UPPER ZAMBEZI RIVER. BIOACOUSTICS 2012. [DOI: 10.1080/09524622.2008.9753597] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Baron BD, Orlov AA, Golubtsov AS. Polyphasic discharges of the electric organ of the speckled stonebasher Pollimyrus isidori (Mormyridae, Mormyriformes) from the Nile basin. DOKLADY BIOLOGICAL SCIENCES : PROCEEDINGS OF THE ACADEMY OF SCIENCES OF THE USSR, BIOLOGICAL SCIENCES SECTIONS 2012; 443:123-125. [PMID: 22562686 DOI: 10.1134/s0012496612020160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2011] [Indexed: 05/31/2023]
Affiliation(s)
- B D Baron
- Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russia
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11
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Boyle KS, Tricas TC. Sound production in the longnose butterflyfishes (genus Forcipiger): cranial kinematics, muscle activity and honest signals. J Exp Biol 2011; 214:3829-42. [DOI: 10.1242/jeb.062554] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
SUMMARY
Many teleost fishes produce sounds for social communication with mechanisms that do not involve swim bladder musculature. Such sounds may reflect physical attributes of the sound-production mechanism, be constrained by body size and therefore control signal reliability during agonistic behaviors. We examined kinematics of the cranium, median fins and caudal peduncle during sound production in two territorial chaetodontid butterflyfish sister species: forcepsfish (Forcipiger flavissimus) and longnose butterflyfish (F. longirostris). During intraspecific agonistic encounters, both species emit a single pulse sound that precedes rapid cranial rotation at velocities and accelerations that exceed those of prey strikes by many ram-and suction-feeding fishes. Electromyography showed that onsets of activity for anterior epaxialis, sternohyoideus, A1 and A2 adductor mandibulae muscles and sound emission are coincident but precede cranial elevation. Observations indicate that sound production is driven by epaxial muscle contraction whereas a ventral linkage between the head and pectoral girdle is maintained by simultaneous activity from the adductor mandibulae and sternohyoideus. Thus, the girdle, ribs and rostral swim bladder are pulled anteriorly before the head is released and rotated dorsally. Predictions of the hypothesis that acoustic signals are indicators of body size and kinematic performance were confirmed. Variation in forcepsfish sound duration and sound pressure level is explained partly by cranial elevation velocity and epaxial electromyogram duration. Body size, however, explains most variation in duration and sound pressure level. These observed associations indicate that forcepsfish sounds may be accurate indicators of size and condition that are related to resource holding potential during social encounters.
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Affiliation(s)
- Kelly S. Boyle
- Department of Zoology, University of Hawai'i at Manoa, Edmondson 152, 2538 McCarthy Mall, Honolulu, HI 96822, USA
- Hawai'i Institute of Marine Biology, 46-007 Lilipuna Road, Kane'ohe, HI 96744, USA
| | - Timothy C. Tricas
- Department of Zoology, University of Hawai'i at Manoa, Edmondson 152, 2538 McCarthy Mall, Honolulu, HI 96822, USA
- Hawai'i Institute of Marine Biology, 46-007 Lilipuna Road, Kane'ohe, HI 96744, USA
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Fine ML, Lin H, Nguyen BB, Rountree RA, Cameron TM, Parmentier E. Functional morphology of the sonic apparatus in the fawn cusk-eelLepophidium profundorum (Gill, 1863). J Morphol 2007; 268:953-66. [PMID: 17674354 DOI: 10.1002/jmor.10551] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Recent reports of high frequency sound production by cusk-eels cannot be explained adequately by known mechanisms, i.e., a forced response driven by fast sonic muscles on the swimbladder. Time to complete a contraction-relaxation cycle places a ceiling on frequency and is unlikely to explain sounds with dominant frequencies above 1 kHz. We investigated sonic morphology in the fawn cusk-eel Lepophidium profundorum to determine morphology potentially associated with high frequency sound production and quantified development and sexual dimorphism of sonic structures. Unlike other sonic systems in fishes in which muscle relaxation is caused by internal pressure or swimbladder elasticity, this system utilizes antagonistic pairs of muscles: ventral and intermediate muscles pull the winglike process and swimbladder forward and pivot the neural arch (neural rocker) above the first vertebra backward. This action stretches a fenestra in the swimbladder wall and imparts strain energy to epineural ribs, tendons and ligaments connected to the anterior swimbladder. Relatively short antagonistic dorsal and dorsomedial muscles pull on the neural rocker, releasing strain energy, and use a lever advantage to restore the winglike process and swimbladder to their resting position. Sonic components grow isometrically and are typically larger in males although the tiny intermediate muscles are larger in females. Although external morphology is relatively conservative in ophidiids, sonic morphology is extremely variable within the family.
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Affiliation(s)
- Michael L Fine
- Department of Biology, Virginia Commonwealth University, Richmond, Virginia 23284-2012, USA.
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Feulner PGD, Kirschbaum F, Schugardt C, Ketmaier V, Tiedemann R. Electrophysiological and molecular genetic evidence for sympatrically occuring cryptic species in African weakly electric fishes (Teleostei: Mormyridae: Campylomormyrus). Mol Phylogenet Evol 2006; 39:198-208. [PMID: 16271299 DOI: 10.1016/j.ympev.2005.09.008] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2005] [Revised: 09/07/2005] [Accepted: 09/07/2005] [Indexed: 11/23/2022]
Abstract
For two sympatric species of African weakly electric fish, Campylomormyrus tamandua and Campylomormyrus numenius, we monitored ontogenetic differentiation in electric organ discharge (EOD) and established a molecular phylogeny, based on 2222bp from cytochrome b, the S7 ribosomal protein gene, and four flanking regions of unlinked microsatellite loci. In C. tamandua, there is one common EOD type, regardless of age and sex, whereas in C. numenius we were able to identify three different male adult EOD waveform types, which emerged from a single common EOD observed in juveniles. Two of these EOD types formed well supported clades in our phylogenetic analysis. In an independent line of evidence, we were able to affirm the classification into three groups by microsatellite data. The correct assignment and the high pairwise F(ST) values support our hypothesis that these groups are reproductively isolated. We propose that in C. numenius there are cryptic species, hidden behind similar and, at least as juveniles, identical morphs.
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Affiliation(s)
- P G D Feulner
- Unit of Evolutionary Biology/Systematic Zoology, Institute of Biochemistry and Biology, University of Potsdam, Potsdam, Germany
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Zakon HH, Lu Y, Zwickl DJ, Hillis DM. Sodium channel genes and the evolution of diversity in communication signals of electric fishes: convergent molecular evolution. Proc Natl Acad Sci U S A 2006; 103:3675-80. [PMID: 16505358 PMCID: PMC1450141 DOI: 10.1073/pnas.0600160103] [Citation(s) in RCA: 96] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
We investigated whether the evolution of electric organs and electric signal diversity in two independently evolved lineages of electric fishes was accompanied by convergent changes on the molecular level. We found that a sodium channel gene (Na(v)1.4a) that is expressed in muscle in nonelectric fishes has lost its expression in muscle and is expressed instead in the evolutionarily novel electric organ in both lineages of electric fishes. This gene appears to be evolving under positive selection in both lineages, facilitated by its restricted expression in the electric organ. This view is reinforced by the lack of evidence for selection on this gene in one electric species in which expression of this gene is retained in muscle. Amino acid replacements occur convergently in domains that influence channel inactivation, a key trait for shaping electric communication signals. Some amino acid replacements occur at or adjacent to sites at which disease-causing mutations have been mapped in human sodium channel genes, emphasizing that these replacements occur in functionally important domains. Selection appears to have acted on the final step in channel inactivation, but complementarily on the inactivation "ball" in one lineage, and its receptor site in the other lineage. Thus, changes in the expression and sequence of the same gene are associated with the independent evolution of signal complexity.
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Affiliation(s)
- Harold H Zakon
- Section of Neurobiology, University of Texas, Austin, TX 78712, USA.
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Ladich F, Bass AH. Sonic Motor Pathways in Piranhas with a Reassessment of Phylogenetic Patterns of Sonic Mechanisms among Teleosts. BRAIN, BEHAVIOR AND EVOLUTION 2005; 66:167-76. [PMID: 16088101 DOI: 10.1159/000087157] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2005] [Accepted: 03/28/2005] [Indexed: 11/19/2022]
Abstract
Sound production has evolved independently a number of times among teleost fishes. In most cases, sound is generated by fast contracting muscles that vibrate the swim bladder by way of their direct attachment (intrinsic muscles) or indirectly by way of other skeletal elements (extrinsic muscles). This study focuses on the red and black piranha, Pygocentrus nattereri and Serrasalmus rhombeus (superorder Ostariophysi, Order Characiformes), that have extrinsic swim bladder sonic muscles innervated by the third and fourth spinal nerves. This innervation pattern diverges from that found in most teleosts, including the closely related catfishes (Ostariophysi, Siluriformes), where sonic muscles are innervated by ventral occipital nerve roots that arise just caudal to the vagus nerve. Here, we tested the hypothesis that piranhas would also differ from most other teleosts in the location of their sonic motor neurons. Following biotin labeling of branches of the third and fourth spinal nerves that innervate the sonic muscles in the red and black piranha, sonic motor neurons were identified amongst other non-sonic motor neurons in the central part of the spinal cord, slightly ventrolateral to the central canal. To our knowledge, this is the first example of sonic motor neurons positioned entirely within the spinal cord. In the other species so far studied, sonic motor neurons form well-defined nuclei that extend from far caudal levels of the medulla into the rostral spinal cord and are located either within the ventral motor column or near the midline, close to or just ventrolateral to the fourth ventricle and central canal. A piranha-like pattern may be more widespread among characiforms and is likely present in other teleost orders, e.g., Sciaenidae (drumfishes), that also have sonic muscles innervated by spinal nerves.
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Affiliation(s)
- Friedrich Ladich
- Department of Neurobiology and Behavior, University of Vienna, Vienna, Austria.
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Lagardère JP, Millot S, Parmentier E. Aspects of sound communication in the pearlfishCarapus boraborensis andCarapus homei (Carapidae). ACTA ACUST UNITED AC 2005; 303:1066-74. [PMID: 16254913 DOI: 10.1002/jez.a.230] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Several species of Carapidae are known to have symbiotic relationships with marine invertebrates. The two most common species in Moorea (French Polynesia), Carapus boraborensis and Carapus homei, undergo conspecific and heterospecific encounters in the same holothurian host during which they produce sounds. Another characteristic of these fish lies in their abilities to produce sounds. The objective of this study was dual: (1) to seek if there was a sexual difference in the sounds produced by C. boraborensis; (2) to seek if there was a difference in the sound emissions between heterospecific and conspecific encounters. In each trial, sounds were only recorded when one individual entered the sea cucumber that was already occupied. In encounters, sounds were structured in regular pulse emissions whose pulse lengths and periods allowed to significantly distinguish each species, as well as both sexes in C. boraborensis. In the latter species, results show for the first time that temporal features of the emitted sounds can have a functional importance in sex identification. In heterospecific encounters, sounds were reduced 68% of the time to a single pulse emission and there was a modification in the pulse length of each species: it shortens in C. homei and it lengthens in C. boraborensis. It highlights that both carapids are able to adapt their sounds to the facing species. Because a modification of the sound appears to be done at the first emission, it is supposed that recognition precedes the sound emission.
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LAMML MICHAEL, KRAMER BERND. SOUND PRODUCTION IN THE REPRODUCTIVE BEHAVIOUR OF THE WEAKLY ELECTRIC FISHPOLLIMYR US MARIANNEKRAMER ET AL. 2003 (MORMYRIDAE, TELEOSTEI). BIOACOUSTICS 2005. [DOI: 10.1080/09524622.2005.9753538] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Abstract
The ability to integrate multisensory information is a fundamental characteristic of the brain serving to enhance the detection and identification of external stimuli. Weakly electric fish employ multiple senses in their interactions with one another and with their inanimate environment (electric, visual, acoustic, mechanical, chemical, thermal, and hydrostatic pressure) and also generate signals using some of the same stimulus energies (electric, acoustic, visual, mechanical). A brief overview provides background on the sensory and motor channels available to the fish followed by an examination of how weakly electric fish 'benefit' from integrating various stimulus modalities that assist in prey detection, schooling, foraging, courtship, and object location. Depending on environmental conditions, multiple sensory inputs can act synergistically and improve the task at hand, can be redundant or contradictory, and can substitute for one another. Over time, in repeated encounters with familiar surrounds, loss of one modality can be compensated for through learning. Studies of neuronal substrates and an understanding of the computational algorithms that underlie multisensory integration ought to expose the physiological corollaries to widely published concepts such as internal representation, sensory expectation, sensory generalization, and sensory transfer.
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Affiliation(s)
- Peter Moller
- Department of Psychology, Hunter College of the City University of New York, New York, USA.
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Abstract
Sound communication is not unique to humans but rather is a trait shared with most non-mammalian vertebrates. A practical way to address questions of vocal signal encoding has been to identify mechanisms in non-mammalian model systems that use acoustic communication signals in their social behavior. Teleost fishes, the largest group of living vertebrates, include both vocal and non-vocal species that exploit a wide range of acoustic niches. Here, we focus on those vocal species where combined behavioral and neurobiological studies have recently begun to elucidate a suite of adaptations for both the production and the perception of acoustic signals essential to their reproductive success and survival. Studies of these model systems show that teleost fish have the vocal-acoustic behaviors and neural systems both necessary and sufficient to solve acoustic problems common to all vertebrates. In particular, behavioral studies demonstrate that temporal features within a call, including pulse duration, rate and number, can all be important to a call's communicative value. Neurobiological studies have begun to show how these features are produced by a vocal motor system extending from forebrain to hindbrain levels and are encoded by peripheral and central auditory neurons. The abundance and variety of vocal fish present unique opportunities for parallel investigations of neural encoding, perception, and communication across a diversity of natural, acoustic habitats. As such, investigations in teleosts contribute to our delineating the evolution of the vocal and auditory systems of both non-mammalian and mammalian species, including humans.
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Affiliation(s)
- Andrew H Bass
- Department of Neurobiology and Behavior, Cornell University, Seeley G. Mudd Hall, Ithaca, NY 14853, USA.
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CRAWFORD JOHND. ACOUSTIC COMMUNICATION AND AUDITORY NEURAL COMPUTATION IN SOUND-PRODUCING FISH. BIOACOUSTICS 2002. [DOI: 10.1080/09524622.2002.9753684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Ladich F, Popper AN. Comparison of the inner ear ultrastructure between teleost fishes using different channels for communication. Hear Res 2001; 154:62-72. [PMID: 11423216 DOI: 10.1016/s0378-5955(01)00217-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The anatomy and ultrastructure of the inner ear of three species of gouramis which differ widely in acoustic behavior were studied using scanning electron microscopy. Of the three species. Trichopsis possess a pectoral sound-producing mechanism while Macropodus and Betta lack sonic organs. The general structure of the inner ear and the shapes of the sensory epithelia are very similar, although they do differ on the posterior part of the saccular macula which is more S-shaped in Trichopsis and Macropodus than in Betta. The maculae on the three species do not differ either in ciliary bundle type (cells with long kinocilia on the periphery of the maculae and cells with short kinocilia in the central region) or in hair cell orientation pattern. Quantitative measurements of hair cell densities and the size of the sensory epithelia of the saccule did not show significant differences between species. Data presented correlate with physiological results from other investigators showing similar auditory sensitivity in Trichopsis and Macropodus. The similarity in structure and function of the inner ears of gouramis on one hand, and the occurrence of sound-generating organs in just one genus, suggests that hearing evolved prior to vocalization and thus acoustic communication in this taxon.
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Affiliation(s)
- F Ladich
- Institute of Zoology, University of Vienna, Austria.
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Fletcher LB, Crawford JD. Acoustic detection by sound-producing fishes (Mormyridae): the role of gas-filled tympanic bladders. J Exp Biol 2001; 204:175-83. [PMID: 11136604 DOI: 10.1242/jeb.204.2.175] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Mormyrid electric fish use sounds for communication and have unusual ears. Each ear has a small gas-filled tympanic bladder coupled to the sacculus. Although it has long been thought that this gas-filled structure confers acoustic pressure sensitivity, this has never been evaluated experimentally. We examined tone detection thresholds by measuring behavioral responses to sounds in normal fish and in fish with manipulations to one or to both of the tympanic bladders. We found that the tympanic bladders increase auditory sensitivity by approximately 30 dB in the middle of the animal's hearing range (200–1200 Hz). Normal fish had their best tone detection thresholds in the range 400–500 Hz, with thresholds of approximately 60 dB (re 1 microPa). When the gas was displaced from the bladders with physiological saline, the animals showed a dramatic loss of auditory sensitivity. In contrast, control animals in which only one bladder was manipulated or in which a sham operation had been performed on both sides had normal hearing.
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Affiliation(s)
- L B Fletcher
- Department of Psychology, University of Pennsylvania, Philadelphia, PA 19104, USA
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Marvit P, Crawford JD. Auditory discrimination in a sound-producing electric fish (Pollimyrus): tone frequency and click-rate difference detection. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2000; 108:1819-1825. [PMID: 11051508 DOI: 10.1121/1.1287845] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Pollimyrus adspersus is a fish that uses simple sounds for communication and has auditory specializations for sound-pressure detection. The sounds are species-specific, and the sounds of individuals are sufficiently stereotyped that they could mediate individual recognition. Behavioral measurements are presented indicating that Pollimyrus probably can make species and individual discriminations on the basis of acoustic cues. Interclick interval (ICI; 10-40 ms) and frequency (100-1400 Hz) discrimination was assessed using modulations of the fish's electric organ discharge rate in the presence of a target stimulus presented in alternation with an ongoing base stimulus. Tone frequency discrimination was best in the 200-600-Hz range, with the best threshold of 1.7% +/- 0.4% standard error at 500 Hz (or 8.5 Hz +/- 1.9 SE). The just noticeable differences (jnd's) were relatively constant from 100 to 500 Hz (mean 8.7 Hz), then increased at a rate of 13.3 Hz per 100 Hz. For click trains, jnd's increased linearly with ICI. The mean jnd's for 10- and 15-ms ICI were both 300 micros (SE= 0.8 ms at 10-ms ICI, SE= 0.11 ms at 15-ms ICI). The jnd at 20-ms ICI was only 1.1 ms +/- 0.25 SE.
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Affiliation(s)
- P Marvit
- Department of Psychology, University of Pennsylvania, Philadelphia 19104, USA.
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