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Svitačová K, Slavík O, Horký P. Pigmentation potentially influences fish welfare in aquaculture. Appl Anim Behav Sci 2023. [DOI: 10.1016/j.applanim.2023.105903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2023]
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Hayashi K, Tachihara K, Reimer JD, Laudet V. Colour patterns influence symbiosis and competition in the anemonefish-host anemone symbiosis system. Proc Biol Sci 2022; 289:20221576. [PMID: 36196541 PMCID: PMC9532990 DOI: 10.1098/rspb.2022.1576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 09/12/2022] [Indexed: 11/12/2022] Open
Abstract
Colour patterns in fish are often used as an important medium for communication. Anemonefish, characterized by specific patterns of white bars, inhabit host anemones and defend the area around an anemone as their territory. The host anemone is used not only by the anemonefish, but also by other fish species that use anemones as temporary shelters. Anemonefish may be able to identify potential competitors by their colour patterns. We first examined the colour patterns of fish using host anemones inhabited by Amphiprion ocellaris as shelter and compared them with the patterns of fish using surrounding scleractinian corals. There were no fish with bars sheltering in host anemones, although many fish with bars were found in surrounding corals. Next, two fish models, one with white bars and the other with white stripes on a black background, were presented to an A. ocellaris colony. The duration of aggressive behaviour towards the bar model was significantly longer than that towards the stripe model. We conclude that differences in aggressive behaviour by the anemonefish possibly select the colour patterns of cohabiting fish. This study indicates that colour patterns may influence not only intraspecific interactions but also interspecific interactions in coral reef ecosystems.
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Affiliation(s)
- Kina Hayashi
- Graduate School of Engineering and Science, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0213, Japan
- Marine Eco-Evo-Devo Unit, Okinawa Institute of Science and Technology, 1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
| | - Katsunori Tachihara
- Graduate School of Engineering and Science, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0213, Japan
| | - James Davis Reimer
- Graduate School of Engineering and Science, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0213, Japan
- Tropical Biosphere Research Center, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0213, Japan
| | - Vincent Laudet
- Marine Eco-Evo-Devo Unit, Okinawa Institute of Science and Technology, 1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
- Marine Research Station, Institute of Cellular and Organismic Biology (ICOB), Academia Sinica, 23-10, Dah-Uen Rd, Jiau Shi I-Lan 262, Taiwan
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Slavík O, Horký P, Valchářová T, Pfauserová N, Velíšek J. Comparative study of stress responses, laterality and familiarity recognition between albino and pigmented fish. ZOOLOGY 2021; 150:125982. [PMID: 34896758 DOI: 10.1016/j.zool.2021.125982] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/08/2021] [Accepted: 11/14/2021] [Indexed: 01/19/2023]
Abstract
Oculocutaneous albinism is the result of a combination of homozygous recessive mutations that block the synthesis of the tyrosine and melatonin hormones. This disability is associated with physiological limitations, e.g., visual impairment expressed by lower visual acuity and movement perception, and eventually leads to acrophobia and/or photophobia, suggesting a potentially higher stress level associated with the behavioral responses of individuals with albinism to external stimuli compared to their pigmented conspecifics. However, in fish, differences in behavioral and/or physiological responses and stress levels between these phenotypes have been poorly documented. While acoustic perception of albino individuals is well known, the use of olfactory sensors for social communication, e.g., for the preference for familiar conspecifics, remains poorly understood. We performed two laboratory experiments with albino and pigmented European catfish Silurus glanis to observe: i) their behavioral and physiological responses to short-term stress induced by a combination of air exposure and novel environmental stressors and ii) their ability to use odor keys to recognize of familiar conspecifics and the influence of lateralization on this preference. In response to stress stimuli, albino fish showed higher movement activities and ventilatory frequencies and more often changed their swimming directions compared to their pigmented conspecifics. Blood plasma analysis showed significantly higher values of stress-, deprivation-, and emotional arousal-associated substances, e.g., glucose and lactate, as well as of substances released during intensive muscle activity of hyperventilation and tissue hypoxia, e.g., hemoglobin, mean corpuscular hemoglobin, erythrocytes, and neutrophil granulocytes. A preference test between environments with and without scented water showed the preference by both albino and pigmented catfish for environments with scent of familiar conspecifics, and both groups of fish displayed left-side lateralization associated with the observation of conspecifics and group coordination. The results tended to show higher physiological and behavioral responses of albinos to stress stimuli compared to the responses of their pigmented conspecifics, but the uses of olfactory sensors and lateralization were not differentiated between the two groups.
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Affiliation(s)
- Ondřej Slavík
- Department of Zoology and Fisheries, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, Prague 6, Suchdol, 165 21, Czech Republic.
| | - Pavel Horký
- Department of Zoology and Fisheries, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, Prague 6, Suchdol, 165 21, Czech Republic
| | - Tereza Valchářová
- Department of Zoology and Fisheries, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, Prague 6, Suchdol, 165 21, Czech Republic
| | - Nikola Pfauserová
- Department of Zoology and Fisheries, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, Prague 6, Suchdol, 165 21, Czech Republic
| | - Josef Velíšek
- Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, Zátiší 728/II, 389 25, Vodňany, Czech Republic
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Nikiforov-Nikishin DL, Irkha VA, Kochetkov NI, Kalita TL, Nikiforov-Nikishin AL, Blokhin EE, Antipov SS, Makarenkov DA, Zhavnerov AN, Glebova IA, Smorodinskaya SV, Chebotarev SN. Some Aspects of Development and Histological Structure of the Visual System of Nothobranchius Guentheri. Animals (Basel) 2021; 11:2755. [PMID: 34573720 PMCID: PMC8470241 DOI: 10.3390/ani11092755] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 09/17/2021] [Accepted: 09/19/2021] [Indexed: 12/04/2022] Open
Abstract
In this, work some aspects of the development of the visual system of Nothobranchius guentheri at the main stages of ontogenesis were described for the first time. It was possible to establish that the formation of the visual system occurs similarly to other representatives of the order Cyprinodontiformes, but significantly differs in terms of the individual stages of embryogenesis due to the presence of diapause. In the postembryonic period, there is a further increase in the size of the fish's eyes and head, to the proportions characteristic of adult fish. The histological structure of the eye in adult N. guentheri practically does not differ from most teleost fish living in the same environmental conditions. The study of the structure of the retina showed the heterogeneity of the thickness of the temporal and nasal areas, which indicates the predominant role of peripheral vision. Morphoanatomical measurements of the body and eyes of N. guentheri showed that their correlation was conservative. This indicates an important role of the visual system for the survival of fish in natural conditions, both for the young and adults. In individuals of the older age group, a decrease in the amount of sodium (Na) and an increase in magnesium (Mg) and calcium (Ca) were found in the eye lens. Such changes in the elemental composition of the lens can be a sign of the initial stage of cataractogenesis and disturbances in the metabolism of lens fibers as a result of aging. This allows us to propose N. guentheri as a model for studying the structure, formation, and aging of the visual and nervous systems.
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Affiliation(s)
- Dmitry L. Nikiforov-Nikishin
- Institute of Biotechnology and Fisheries, Moscow State University of Technologies and Management (FCU), 73, Zemlyanoy Val Str., 109004 Moscow, Russia; (D.L.N.-N.); (T.L.K.); (A.L.N.-N.); (A.N.Z.); (I.A.G.); (S.V.S.)
| | - Vladimir A. Irkha
- Scientific Department, Moscow State University of Technologies and Management (FCU), 73, Zemlyanoy Val Str., 109004 Moscow, Russia; (V.A.I.); (S.S.A.)
| | - Nikita I. Kochetkov
- Institute of Biotechnology and Fisheries, Moscow State University of Technologies and Management (FCU), 73, Zemlyanoy Val Str., 109004 Moscow, Russia; (D.L.N.-N.); (T.L.K.); (A.L.N.-N.); (A.N.Z.); (I.A.G.); (S.V.S.)
| | - Tatyana L. Kalita
- Institute of Biotechnology and Fisheries, Moscow State University of Technologies and Management (FCU), 73, Zemlyanoy Val Str., 109004 Moscow, Russia; (D.L.N.-N.); (T.L.K.); (A.L.N.-N.); (A.N.Z.); (I.A.G.); (S.V.S.)
| | - Alexei L. Nikiforov-Nikishin
- Institute of Biotechnology and Fisheries, Moscow State University of Technologies and Management (FCU), 73, Zemlyanoy Val Str., 109004 Moscow, Russia; (D.L.N.-N.); (T.L.K.); (A.L.N.-N.); (A.N.Z.); (I.A.G.); (S.V.S.)
| | - Eduard E. Blokhin
- Federal Research Centre the Southern Scientific Centre of the Russian Academy of Science, Chekhova Ave., 41, 344006 Rostov-on-Don, Russia;
| | - Sergei S. Antipov
- Scientific Department, Moscow State University of Technologies and Management (FCU), 73, Zemlyanoy Val Str., 109004 Moscow, Russia; (V.A.I.); (S.S.A.)
- Department of Biophysics and Biotechnology, Voronezh State University, 1, University Square, 394063 Voronezh, Russia
| | - Dmitry A. Makarenkov
- Institute of Chemical Reagents and High Purity Chemical Substances of the National Research Centre “Kurchatov Institute”, Str. Bogorodsky Val, 3, 107076 Moscow, Russia;
| | - Alexey N. Zhavnerov
- Institute of Biotechnology and Fisheries, Moscow State University of Technologies and Management (FCU), 73, Zemlyanoy Val Str., 109004 Moscow, Russia; (D.L.N.-N.); (T.L.K.); (A.L.N.-N.); (A.N.Z.); (I.A.G.); (S.V.S.)
| | - Irina A. Glebova
- Institute of Biotechnology and Fisheries, Moscow State University of Technologies and Management (FCU), 73, Zemlyanoy Val Str., 109004 Moscow, Russia; (D.L.N.-N.); (T.L.K.); (A.L.N.-N.); (A.N.Z.); (I.A.G.); (S.V.S.)
| | - Svetlana V. Smorodinskaya
- Institute of Biotechnology and Fisheries, Moscow State University of Technologies and Management (FCU), 73, Zemlyanoy Val Str., 109004 Moscow, Russia; (D.L.N.-N.); (T.L.K.); (A.L.N.-N.); (A.N.Z.); (I.A.G.); (S.V.S.)
| | - Sergei N. Chebotarev
- Management Department, Moscow State University of Technologies and Management (FCU), 73, Zemlyanoy Val Str., 109004 Moscow, Russia;
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