Special Issues

Fishes publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Impacts of Environmental Stressors on Aquatic Animals: Mechanisms, Risk Assessment and Mitigation Strategies
edited by Yuhang Hong, , Xiaozhen Yang, Liulan Zhao, Xiaowen Long and
submission deadline 30 Jun 2026 | Viewed by 12 | Submission Open
Keywords: pesticides; aquatic toxicology; oxidative stress; antioxidative signaling pathways; functional diet; natural antioxidants
(This special issue belongs to the Section Environment and Climate Change)
Metabolomics in Marine Invertebrate Aquaculture
edited by and
submission deadline 10 Jul 2026 | Viewed by 71 | Submission Open
Keywords: metabolomics; marine invertebrates; aquaculture; physiological response; stress adaptation; nutritional metabolism; biomarker discovery; omics integration
(This special issue belongs to the Section Genetics and Biotechnology)
Ornamental Fish
edited by Zaizhong Chen
submission deadline 10 Jul 2026 | Viewed by 35 | Submission Open
Keywords: ornamental fish; molecular biology and genetics; reproduction and breeding; nutrition and feed; water regulation
Nutrition Requirements and Feed Development for Aquaculture Animals
edited by , Huatao Li, and Qihui Yang
submission deadline 15 Jul 2026 | Viewed by 38 | Submission Open
Keywords: feed additives; precision nutrient requirements; novel feed ingredients; environment friendly feed; Chinese herbs and their extracts
(This special issue belongs to the Section Nutrition and Feeding)
Top Predators Under Climate Extremes: Assessing Habitat Dynamics in Marginal Seas
edited by Wenbo Yang, Xiaomei Wang and Peng Lian
submission deadline 15 Jul 2026 | Viewed by 12 | Submission Open
Keywords: continental shelf fisheries; habitat modelling; eXplainable AI (XAI); top predators; marine mammals  
(This special issue belongs to the Section Environment and Climate Change)
Feeding the Future: Diet Data and Ecosystem Perspectives on Fish Food Webs
edited by Letterio Guglielmo, and
submission deadline 20 Jul 2026 | Viewed by 78 | Submission Open
Keywords: fish food webs; diet analysis; DNA metabarcoding; stable isotopes; fatty acids; trophic networks; ecosystem approach; FAIR data; trophic position; feeding ecology
(This special issue belongs to the Section Biology and Ecology)
Recent Advances in Fish Nutrition
edited by Sang-Min Lee, and
submission deadline 25 Jul 2026 | Viewed by 1074 | Submission Open
Keywords: alternative protein sources; alternative lipid sources; feed additives; vitamins; amino acids; fatty acids; nutrient requirements; functional feed additives; nutrient absorption
Molecular Mechanisms of the Non-Specific Immunity of Fish When Responding to Pathogen Infections
edited by and Qi Li
submission deadline 30 Jul 2026 | Viewed by 7 | Submission Open
Keywords: teleost immunity; immune signaling pathways; viral and bacterial infections; virulence factors
(This special issue belongs to the Section Welfare, Health and Disease)
Modeling Approach for Fish Stock Assessment
edited by Margarita M. Rincón Hidalgo and
submission deadline 31 Jul 2026 | 2 articles | Viewed by 1938 | Submission Open
Keywords: fish; stock assessment; modeling
(This special issue belongs to the Section Biology and Ecology)
Trends and Advances in Seafood Quality: Processing, Preservation and Safety Processes to Guarantee Food Value—2nd Edition
edited by , and Verónica Felício
submission deadline 31 Jul 2026 | Viewed by 105 | Submission Open
Keywords: seafood quality; seafood preservation; shelf-life extension; processing technologies; sustainable fisheries and aquaculture; seafood composition; marine bioactive compounds; cold chain management; traceability systems; new food products.
(This special issue belongs to the Section Processing and Comprehensive Utilization of Fishery Products)
Advances in the Physiology of Aquatic Organisms submission deadline 31 Jul 2026 | Viewed by 35 | Submission Open
Keywords: physiology of the digestive system; physiology of osmoregulation; physiology of growth; physiology of respiration; physiology of reproduction; physiology of pigmentation
(This special issue belongs to the Section Physiology and Biochemistry)
Recent Advances in Crayfish
edited by Aimin Wang and Chunnuan Zhang
submission deadline 10 Aug 2026 | Viewed by 82 | Submission Open
Keywords: crayfish; nutrition; physiology; health management; disease; reproduction
(This special issue belongs to the Section Aquatic Invertebrates)
Immunology, Environment, and Nutrition of Aquatic Animals
edited by
submission deadline 10 Sep 2026 | Viewed by 57 | Submission Open
Keywords: immunology; environment; nutrition; aquatic animals; signal regulation
(This special issue belongs to the Section Nutrition and Feeding)
Toxic Effects of Microplastics on Aquatic Animals submission deadline 15 Sep 2026 | Viewed by 71 | Submission Open
Keywords: microplastics; aquatic animals; ecotoxicology; food web dynamics; biodiversity impacts; environmental risk assessment
(This special issue belongs to the Section Environment and Climate Change)
Molecular Mechanism of Gametogenesis in Aquatic Animals
edited by and
submission deadline 25 Dec 2026 | Viewed by 27 | Submission Open
Keywords: gametogenesis; reproductive biology; sex determination; molecular mechanisms; adaptive evolution; aquatic organisms
Application of Otoliths in Fish Ecology and Fisheries submission deadline 31 Dec 2026 | Viewed by 194 | Submission Open
Keywords: fish otoliths; fish biology and ecology; fisheries science; stock structure; population connectivity; migration pathways; aquatic pollution
(This special issue belongs to the Section Biology and Ecology)
Towards Sustainable Aquafeeds: Strategies and Mechanisms of Fish Meal and Oil Replacement
edited by Chang'an Wang
submission deadline 31 Dec 2026 | Viewed by 37 | Submission Open
Keywords: fish meal replacement; alternative plant proteins; insect meal; single-cell protein; anti-nutritional factors; gut health; flesh quality; nutrient digestibility; functional feed additives; sustainable aquaculture
(This special issue belongs to the Section Nutrition and Feeding)
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