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Planas M, Olivotto I. Sustainable Aquaculture: Nutrition Studies in Early Developing Finfish, Ornamentals and Experimental Model Fish. Animals (Basel) 2022; 12:ani12111384. [PMID: 35681848 PMCID: PMC9179907 DOI: 10.3390/ani12111384] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 05/25/2022] [Accepted: 05/26/2022] [Indexed: 02/01/2023] Open
Abstract
Enhancing the knowledge of feeding/nutritional requirements is key in the growth of fish development and for the optimization of rearing techniques [...]
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Affiliation(s)
- Miquel Planas
- Department of Marine Ecology and Resources, Institute of Marine Research (CSIC), 36208 Vigo, Spain
- Correspondence:
| | - Ike Olivotto
- Department of Life and Environmental Sciences, Marche Polytechnic University, 60131 Ancona, Italy;
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Lazic T, Pierri C, Corriero G, Balech B, Cardone F, Deflorio M, Fosso B, Gissi C, Marzano M, Nonnis Marzano F, Pesole G, Santamaria M, Gristina M. Evaluating the Efficiency of DNA Metabarcoding to Analyze the Diet of Hippocampus guttulatus (Teleostea: Syngnathidae). Life (Basel) 2021; 11:life11100998. [PMID: 34685370 PMCID: PMC8540156 DOI: 10.3390/life11100998] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/20/2021] [Accepted: 09/21/2021] [Indexed: 12/14/2022] Open
Abstract
Seahorses are considered a flagship species for conservation efforts and due to their conservation status, improving knowledge on their dietary composition while applying a non-invasive approach, could be useful. Using Hippocampus guttulatus as a case study, the present study represents pioneering research into investigating the diet of seahorses by NGS-based DNA metabarcoding of fecal samples. The study developed and tested the protocol for fecal DNA metabarcoding during the feeding trials where captive seahorses were fed on a diet of known composition; the process was subsequently applied on fecal samples collected from wild individuals. The analysis of samples collected during the feeding trials indicated the reliability of the applied molecular approach by allowing the characterization of the effectively ingested prey. In the field study, among detected prey species, results revealed that the majority of the seahorse samples contained taxa such as Amphipoda, Decapoda, Isopoda, and Calanoida, while less common prey taxa were Gastropoda and Polyplacophora. As only a small amount of starting fecal material is needed and the sampling procedure is neither invasive nor lethal. The present study indicates DNA metabarcoding as useful for investigating seahorse diet and could help define management and conservation actions.
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Affiliation(s)
- Tamara Lazic
- Department of Biology, University of Bari, 70125 Bari, Italy; (T.L.); (G.C.)
| | - Cataldo Pierri
- Department of Biology, University of Bari, 70125 Bari, Italy; (T.L.); (G.C.)
- Correspondence:
| | - Giuseppe Corriero
- Department of Biology, University of Bari, 70125 Bari, Italy; (T.L.); (G.C.)
| | - Bachir Balech
- Institute of Biomembrane, Bioenergetics and Molecular Biotechnology (IBIOM), National Council of Research (CNR), 70121 Bari, Italy; (B.B.); (B.F.); (C.G.); (M.M.); (G.P.); (M.S.)
| | - Frine Cardone
- Department of Integrated Marine Ecology, Zoological Station Anton Dohrn, 80127 Naples, Italy;
| | - Michele Deflorio
- Department of Veterinary Medicine, University of Bari, 70125 Bari, Italy;
| | - Bruno Fosso
- Institute of Biomembrane, Bioenergetics and Molecular Biotechnology (IBIOM), National Council of Research (CNR), 70121 Bari, Italy; (B.B.); (B.F.); (C.G.); (M.M.); (G.P.); (M.S.)
| | - Carmela Gissi
- Institute of Biomembrane, Bioenergetics and Molecular Biotechnology (IBIOM), National Council of Research (CNR), 70121 Bari, Italy; (B.B.); (B.F.); (C.G.); (M.M.); (G.P.); (M.S.)
- Department of Biosciences, Biotechnology and Biopharmaceutics, University of Bari, 70125 Bari, Italy
| | - Marinella Marzano
- Institute of Biomembrane, Bioenergetics and Molecular Biotechnology (IBIOM), National Council of Research (CNR), 70121 Bari, Italy; (B.B.); (B.F.); (C.G.); (M.M.); (G.P.); (M.S.)
| | - Francesco Nonnis Marzano
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, 43121 Parma, Italy;
| | - Graziano Pesole
- Institute of Biomembrane, Bioenergetics and Molecular Biotechnology (IBIOM), National Council of Research (CNR), 70121 Bari, Italy; (B.B.); (B.F.); (C.G.); (M.M.); (G.P.); (M.S.)
- Department of Biosciences, Biotechnology and Biopharmaceutics, University of Bari, 70125 Bari, Italy
| | - Monica Santamaria
- Institute of Biomembrane, Bioenergetics and Molecular Biotechnology (IBIOM), National Council of Research (CNR), 70121 Bari, Italy; (B.B.); (B.F.); (C.G.); (M.M.); (G.P.); (M.S.)
| | - Michele Gristina
- Institute of Anthropic Impacts and Sustainability in Marine Environment (IAS), National Council of Research (CNR), 90100 Palermo, Italy;
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