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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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Advances in the Application of Microalgae in Aquaculture
edited by Yihong Zheng and
submission deadline 28 Apr 2026 | Viewed by 143 | Submission Open
Keywords: microalgae; sustainable aquaculture; aquafeed; fish nutrition; omega-3 fatty acids; protein alternatives; bioactive compounds; aquatic animal health; feed technology; sustainability
(This special issue belongs to the Section Sustainable Aquaculture)
Aquatic Ecotoxicology: Field and Laboratory Approaches
edited by Yuri Dornelles Zebral
submission deadline 30 Apr 2026 | 1 articles | Viewed by 4909 | Submission Open
Keywords: ecotoxicology; monitoring programs; experimental studies; biomarkers; metals; organic pollution; pesticides; legacy contaminants; emergent contaminants; climate crisis
(This special issue belongs to the Section Physiology and Biochemistry)
Vantage Points in the Morphology of Aquatic Organisms
edited by Peter S. Johnston
submission deadline 30 Apr 2026 | 2 articles | Viewed by 1550 | Submission Open
Keywords: morphology; palaeontology; aquatic; vertebrate; invertebrate; fish; cetacean
(This special issue belongs to the Section Biology and Ecology)
Impact of Plastic and Fiber Pollution on Aquatic Animals submission deadline 30 Apr 2026 | Viewed by 238 | Submission Open
Keywords: aquatic organisms; aquatic systems; emerging contaminants; microplastic; fiber; aquaculture; fischeries; aquatic health; safety
(This special issue belongs to the Section Environment and Climate Change)
Ecological Aquaculture and Disease Prevention and Control
edited by Yichao Ren and Chunyan Zhao
submission deadline 30 Apr 2026 | Viewed by 147 | Submission Open
Keywords: ecological aquaculture; environmental factor; disease control; antibiotic alternatives; sustainable aquaculture; stress; adaptation; environmental acclimatization
Age Determination of Aquatic Animals
edited by Raouf W. Kilada
submission deadline 10 May 2026 | 2 articles | Viewed by 2427 | Submission Open
Keywords: age; validation; growth; shells; cephalopod; echinoderms; crustaceans; fish
Stress Ecology of Aquatic Animals
edited by and Nesho H. Chipev
submission deadline 10 May 2026 | Viewed by 153 | Submission Open
Keywords: adaptation and resilience; aquatic pollution; climate change impacts; environmental stressors; marine ecophysiology; multi-stressor interactions
(This special issue belongs to the Section Environment and Climate Change)
Sustainable Aquaculture and Seafood Production
edited by
submission deadline 10 May 2026 | Viewed by 144 | Submission Open
Keywords: governance; economic viability; climate change; social well-being; environmental impact; feed ingredients; animal health and welfare; engineering; product quality; automation
Fish Disease Prevention: Immune Defense and Vaccine Development
edited by and
submission deadline 10 May 2026 | Viewed by 139 | Submission Open
Keywords: fish disease prevention; immune mechanisms; vaccine development; diagnostics and biosecurity; aquaculture
(This special issue belongs to the Section Welfare, Health and Disease)
Fish Farming in Recirculating Aquaculture Systems
edited by Baoliang Liu and Wenyang Li
submission deadline 15 May 2026 | 2 articles | Viewed by 5123 | Submission Open
Keywords: recirculating aquaculture system; indoor aquaculture; zero water exchange aquaculture; aquaculture environment
(This special issue belongs to the Section Sustainable Aquaculture)
Germplasm Resources and Genetic Breeding of Aquatic Animals
edited by and
submission deadline 15 May 2026 | 3 articles | Viewed by 2399 | Submission Open
Keywords: germplasm preservation and utilization; genome evolution; omics analysis; economic traits; functional gene; mitochondrial genome; microsatellite; growth and development
(This special issue belongs to the Section Genetics and Biotechnology)
Evolutionary Biology of Aquatic Animals submission deadline 15 May 2026 | Viewed by 105 | Submission Open
Keywords: marine organism; population genetics; biological diversity; adaptative evolution; conservation genetics; phylogeny
(This special issue belongs to the Section Taxonomy, Evolution, and Biogeography)
Physiological and Behavioral Studies in Aquaculture
edited by
submission deadline 15 May 2026 | Viewed by 97 | Submission Open
Keywords: aquaculture; physiology; behavior; stress response; metabolism; neuroendocrine regulation; nutrition; welfare; environmental adaptation; sustainable aquaculture
Nutritional Modulation of Brain Function and Behavior in Aquatic Animals submission deadline 15 May 2026 | Viewed by 89 | Submission Open
Keywords: fatty acids; n-3 LC-PUFA; fish nutrition; neurotransmitters; brain physiology; stress response; fish welfare; sustainable aquafeeds; alternative lipids; valorization of discards
(This special issue belongs to the Section Nutrition and Feeding)
Green Sustainable Aquaculture and Environmental Control
edited by Guangjun Wang, , Kai Zhang and
submission deadline 15 May 2026 | Viewed by 85 | Submission Open
Keywords: sustainable aquaculture; environment regulation; environment restoration
(This special issue belongs to the Section Sustainable Aquaculture)
Fish Nutrition and Immunology
edited by
submission deadline 20 May 2026 | 3 articles | Viewed by 5914 | Submission Open
Keywords: fish; nutrition; immunity; immune additives
(This special issue belongs to the Section Nutrition and Feeding)
Microbial Pathogens, Disease Control and Veterinary Drug Use in Aquaculture
edited by , and Yali Wang
submission deadline 20 May 2026 | 3 articles | Viewed by 2451 | Submission Open
Keywords: diseases; pathogens; control; aquaculture
(This special issue belongs to the Section Welfare, Health and Disease)
Ecology of Fish: Age, Growth, Reproduction and Feeding Habits submission deadline 20 May 2026 | 1 articles | Viewed by 1038 | Submission Open
Keywords: age; growth; reproductive ecology; feeding ecology; population dynamics
(This special issue belongs to the Section Biology and Ecology)
Advances in Integrated Rice-Fish Farming
edited by Zongjun Du and Dongjie Wang
submission deadline 20 May 2026 | 1 articles | Viewed by 348 | Submission Open
Keywords: rice– fish co-culture system; integrated aquaculture; nutrient cycling; microbial community dynamics; heavy metal accumulation; microplastic accumulation; climate-resilient farming; sustainable agriculture
(This special issue belongs to the Section Sustainable Aquaculture)
Zooplankton Production Applied to Aquaculture submission deadline 20 May 2026 | Viewed by 319 | Submission Open
Keywords: rotifer; artemia; copepods; cladocera; zooplankton mass production; zooplankton enrichment; larviculture; biofloc; weaning protocols
(This special issue belongs to the Section Sustainable Aquaculture)
Sustainable Fisheries Dynamics
edited by Rong Wan and Junbo Zhang
submission deadline 22 May 2026 | 6 articles | Viewed by 4681 | Submission Open
Keywords: sustainable fisheries management; overfishing; climate change; habitat degradation; fisheries dynamic models; ecosystem responses; interdisciplinary approaches
(This special issue belongs to the Section Fishery Economics, Policy, and Management)
Impact of Climate Change and Adverse Environments on Aquaculture
edited by , and
submission deadline 25 May 2026 | 1 articles | Viewed by 1469 | Submission Open
Keywords: climate change; adverse environments; aquaculture; environmental microbes; environmental pollution; new pollutants
(This special issue belongs to the Section Environment and Climate Change)
Freshwater Fishes: Taxonomic Diversity, Conservation Concerns, and Future Directions
edited by Luisa Maria Sarmento-Soares
submission deadline 30 May 2026 | Viewed by 147 | Submission Open
Keywords: taxonomy; conservation genetics; connectivity; freshwater biodiversity; habitat restoration; climate change; population viability; invasive species management; environmental DNA; adaptive management; threat assessment
(This special issue belongs to the Section Biology and Ecology)
Use of Essential Oils in Aquaculture submission deadline 31 May 2026 | 5 articles | Viewed by 4548 | Submission Open
Keywords: welfare; safe management; transportation; growth; anesthetic; stress
(This special issue belongs to the Section Welfare, Health and Disease)
The Hidden Network: Trophic Interactions in Marine Ecosystems
edited by
submission deadline 31 May 2026 | Viewed by 221 | Submission Open
Keywords: stable isotopes; isotopic niche; fish tropic ecology; invasive species; habitat use; coastal/marine ecosystem; Mediterranean Sea
(This special issue belongs to the Section Biology and Ecology)
Feed Additives in Fish and Shellfish Farming
edited by and Ping Wu
submission deadline 31 May 2026 | Viewed by 117 | Submission Open
Keywords: aquatic animal nutrition; feed additive; immunity; nutritional physiology; disease resistance
(This special issue belongs to the Section Nutrition and Feeding)
An Issue in Honor of Yoram Avnimelech: Application of Biofloc Technology (BFT) submission deadline 5 Jun 2026 | 3 articles | Viewed by 3257 | Submission Open
Keywords: bacterial community; super intensive; circular economy; sustainability; nitrification; heterotrophic
(This special issue belongs to the Section Sustainable Aquaculture)
Physiological Responses of Fish to Stressors
edited by Xiaohong Liu
submission deadline 10 Jun 2026 | Viewed by 226 | Submission Open
Keywords: wild fish; aquatic fish; physiological responses; new technology; molecular mechanisms; evolutionary perspectives; adaptation
Passive Acoustic Monitoring of Aquatic Mammals
edited by
submission deadline 10 Jun 2026 | Viewed by 102 | Submission Open
Keywords: passive acoustic monitoring (PAM); bioacoustics; cetaceans; marine mammal; communication; anthropogenic noise; automated detection; conservation bioacoustics; soundscape ecology
Life in Layers: Age and Growth of Fishes
edited by Antonela Sovulj and
submission deadline 10 Jun 2026 | Viewed by 80 | Submission Open
Keywords: fish growth; age determination; growth modeling; life-history traits; fisheries management; environmental drivers; anthropogenic impacts
(This special issue belongs to the Section Biology and Ecology)
Fish Health and Welfare in Aquaculture and Research Settings
edited by , Marcelo Ferreira Torres and
submission deadline 15 Jun 2026 | 4 articles | Viewed by 4648 | Submission Open
Keywords: advanced monitoring technologies; aquaculture sustainability; behavioural indicators; environmental and nutritional impact; ethical aquaculture; fish welfare; husbandry practices; precision aquaculture; stress physiology; welfare assessments
(This special issue belongs to the Section Welfare, Health and Disease)
Integrated Multi-Trophic Aquaculture (IMTA)
edited by Patricia Moraes-Valenti and
submission deadline 15 Jun 2026 | 2 articles | Viewed by 2242 | Submission Open
Keywords: IMTA; integrated aquaculture; nutrient regeneration; restorative aquaculture; ecological and symbiotic aquaculture; aquamimicry; aquapony
(This special issue belongs to the Section Sustainable Aquaculture)
Sustainable Bivalve Mollusks Aquaculture
edited by Maoxiao Peng
submission deadline 17 Jun 2026 | Viewed by 59 | Submission Open
Keywords: bivalve breeding; bivalve genetic resources; physiological and molecular response; environmental adaptation; omics analyses; bivalve disease; climate changes in bivalves; biosecurity in bivalve aquaculture; bivalve health and habitat maintenance
(This special issue belongs to the Section Aquatic Invertebrates)
The Roles of Fishery Biology and Fish Population Dynamics in Fisheries Management—2nd Edition submission deadline 20 Jun 2026 | 3 articles | Viewed by 1598 | Submission Open
Keywords: fishery biology; fish population dynamics; fishing ecology; stock assessment; data-limited fisheries management; fishery resource management; artisanal fishing; coastal fishing; fishing in protected areas
(This special issue belongs to the Section Biology and Ecology)
Recent Advances in Nutrition and Metabolic Regulation of Fish
edited by , Yulong Gong and Wenjie Xu
submission deadline 20 Jun 2026 | 1 articles | Viewed by 1092 | Submission Open
Keywords: fish nutrition; metabolic adaptation; functional feed additives; novel feed ingredients
(This special issue belongs to the Section Nutrition and Feeding)
Effect of Dietary Supplementation on the Growth and Immunity of Fish and Shellfish—3rd Edition
edited by Qiyou Xu, Jianhua Ming, Fei Song, Changle Qi and
submission deadline 25 Jun 2026 | 3 articles | Viewed by 1906 | Submission Open
Keywords: immunity; antioxidation; intestinal health; gut microbiota; anti-stress; growth; feed additive; feedstuff
(This special issue belongs to the Section Nutrition and Feeding)
Functional Gene Analysis and Genomic Technologies in Aquatic Animals
edited by
submission deadline 30 Jun 2026 | 1 articles | Viewed by 332 | Submission Open
Keywords: genomic selection; genome-wide association study (GWAS); selection signature; candidate gene identification; genome editing; functional gene validation; multi-omics integration; quantitative genetics; molecular breeding; aquatic genomics; sustainable aquaculture
(This special issue belongs to the Section Genetics and Biotechnology)
Effects of Feed and Supplementation on the Metabolism, Microbiota and Immune Response of Fish
edited by and Andressa Teles
submission deadline 30 Jun 2026 | Viewed by 197 | Submission Open
Keywords: feed additives; microbiota; aquafeeds; metabolism; immunology
(This special issue belongs to the Section Nutrition and Feeding)
Engineering Solutions for Sustainable Offshore Aquaculture and Fisheries
edited by Changtao Guan, and
submission deadline 30 Jun 2026 | Viewed by 152 | Submission Open
Keywords: aquaculture engineering; offshore aquaculture; aquaculture equipment; fishery engineering; fishing gear
(This special issue belongs to the Section Fishery Facilities, Equipment, and Information Technology)
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 60 | 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 | 1 articles | Viewed by 372 | 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)
Studies on Age, Growth and Reproduction of Fishes
edited by
submission deadline 10 Jul 2026 | Viewed by 72 | Submission Open
Keywords: fish reproduction; fish growth; age; otolith; gonad maturity; spawning ecology; length at maturity; age at maturity
(This special issue belongs to the Section Biology and Ecology)
Ornamental Fish
edited by Zaizhong Chen
submission deadline 10 Jul 2026 | Viewed by 61 | Submission Open
Keywords: ornamental fish; molecular biology and genetics; reproduction and breeding; nutrition and feed; water regulation
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 104 | 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)
Nutrition Requirements and Feed Development for Aquaculture Animals
edited by , Huatao Li, and Qihui Yang
submission deadline 15 Jul 2026 | Viewed by 83 | 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)
Feeding the Future: Diet Data and Ecosystem Perspectives on Fish Food Webs
edited by Letterio Guglielmo, and
submission deadline 20 Jul 2026 | 1 articles | Viewed by 365 | 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 1100 | 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 52 | 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 2197 | 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 122 | 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)
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