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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Dietary Supplementation in Aquaculture submission deadline 15 Feb 2026 | 5 articles | Viewed by 4973 | Submission Open
Keywords: nutrition; physiology; feed additives; nutrients; biochemistry; immunity
(This special issue belongs to the Section Nutrition and Feeding)
Infection and Detection of Bacterial Pathogens in Aquaculture
edited by Asma M. Karami and
submission deadline 15 Feb 2026 | 4 articles | Viewed by 3252 | Submission Open
Keywords: molecular diagnostics; fish health; innate immunity; sustainable disease management; emerging infectious diseases
(This special issue belongs to the Section Welfare, Health and Disease)
The Ecology of Reef Fishes
edited by , Fabiana Cézar Félix-Hackradt and
submission deadline 25 Feb 2026 | 2 articles | Viewed by 2802 | Submission Open
Keywords: coral reef fish ecology; anthropogenic impacts; functional ecology; population dynamics; community structure; movement ecology; genetic diversity; reef fish conservation
Genetic Breeding and Immunity of Aquatic Animals
edited by Zhe Zheng, Xiaohui Cai, and
submission deadline 25 Feb 2026 | 2 articles | Viewed by 1305 | Submission Open
Keywords: genetic breeding; aquatic animal immunity; disease resistance; genomic selection; gene editing
(This special issue belongs to the Section Genetics and Biotechnology)
Advances in the Immunology of Aquatic Animals
edited by , and Mingzhu Pan
submission deadline 28 Feb 2026 | 2 articles | Viewed by 1487 | Submission Open
Keywords: aquatic immunology; fish health; vaccine development; pathogen– host interaction; One Health; eco-immunology; aquaculture resilience; probiotics; climate stress; antimicrobial resistance; omics technologies
(This special issue belongs to the Section Welfare, Health and Disease)
Sustainable Aquaculture of Crustaceans
edited by and Suzianny Maria Bezerra Cabral Da Silva
submission deadline 28 Feb 2026 | Viewed by 252 | Submission Open
Keywords: sustainable aquaculture; crustacean farming; marine and freshwater shrimps; lobsters; crabs; crayfish; microcrustaceans; reproduction and breeding; growth performance; health management; functional feed additives; fishmeal replacement; aquafeed innovation; Biofloc and Synbiotic technology; integrated multi-trophic aquaculture (IMTA); Aquaculture 4.0; environmental management
(This special issue belongs to the Section Sustainable Aquaculture)
Population Genomics for Freshwater Fish Conservation: From Markers to Management
edited by and In-Chul Bang
submission deadline 1 Mar 2026 | 1 articles | Viewed by 842 | Submission Open
Keywords: fish genetics; Genomics; fish conservation; genetic markers; microsatellite marker; whole genome sequencing; effective population size; eDNA monitoring; mitochondrial DNA; adaptive introgression; population genetics; population genomics; artificial breeding of genetics
Seafood Products: Nutrients, Safety, and Sustainability
edited by and Marília Miotto
submission deadline 5 Mar 2026 | 1 articles | Viewed by 1942 | Submission Open
Keywords: fish; mollusks; seafood processing; byproducts; nutritional quality; seafood bioactive compounds; contamination; microplastics; phycotoxins
(This special issue belongs to the Section Processing and Comprehensive Utilization of Fishery Products)
Feature Papers by Fishes’ Editorial Board Members submission deadline 10 Mar 2026 | 1 articles | Viewed by 1099 | Submission Open
Keywords: aquatic biodiversity; climate change’ s impacts; pollution; antimicrobial resistance; sustainable aquaculture; genetic improvement; ecosystem-based management; blue biotechnology; fish welfare; seafood traceability
Ecology and Treatment of Parasitic Diseases in Aquatic Species submission deadline 10 Mar 2026 | 1 articles | Viewed by 515 | Submission Open
Keywords: smart nanoparticles; biomolecules; antimicrobial; antiparasite; hybrid nanomaterial; eco-friendly nanomaterials; natural products; drug delivery systems; phytogenic compounds; essential oils; environmental influences on development of parasite disease
(This special issue belongs to the Section Welfare, Health and Disease)
Impacts of Climate Change on Physiology and Ecology of Aquatic Organisms
edited by , Xinguo Zhao, Yuming Zhang and Ping Li
submission deadline 10 Mar 2026 | Viewed by 295 | Submission Open
Keywords: climate change; aquatic organisms; physiological ecology; adaptation strategies; environmental management
Advances in Pathology of Aquatic Animals
edited by Maria Cristina Chávez-Sánchez
submission deadline 15 Mar 2026 | 4 articles | Viewed by 4004 | Submission Open
Keywords: disease responses to nutritional and environmental stress (pollution and climate change); host– pathogen interactions and novel treatments; genomic approaches to infectious diseases; host– microbiota and immune responses; emerging technologies in fish farming health and welfare (diagnostic; prevention; biosensors; AI; etc.); functional supplements/additives in aquatic animal health
(This special issue belongs to the Section Fish Pathology and Parasitology)
Advances in Tilapia Aquaculture
edited by , Rodrigo Fortes-Silva and Leandro Santos Costa
submission deadline 15 Mar 2026 | 1 articles | Viewed by 816 | Submission Open
Keywords: tilapia aquaculture; sustainable nutrition; physiology; technology; genetic; breeding; disease management; water quality; behavior
(This special issue belongs to the Section Sustainable Aquaculture)
Genomics Applied to Fish Health
edited by
submission deadline 20 Mar 2026 | 2 articles | Viewed by 3000 | Submission Open
Keywords: aquaculture; genomics; transcriptomics; proteomics; sustainability; fish health; infectious disease; metabolic diseases
(This special issue belongs to the Section Welfare, Health and Disease)
The Impact of Contamination on Fishes submission deadline 20 Mar 2026 | 2 articles | Viewed by 1756 | Submission Open
Keywords: bioaccumulation; biomarkers; eDNA; freshwater; histopathology; marine; metallomics; metals/metalloids; microplastics; organic contaminants
(This special issue belongs to the Section Environment and Climate Change)
Molecular Phylogeny and Taxonomy of Aquatic Animals submission deadline 20 Mar 2026 | 1 articles | Viewed by 608 | Submission Open
Keywords: biodiversity; biogeography; conservation; distribution; evolution; genetics; ichthiology; systematics; taxonomy; zoology  
(This special issue belongs to the Section Taxonomy, Evolution, and Biogeography)
Crustacean Health, Stress and Disease
edited by , and
submission deadline 25 Mar 2026 | 1 articles | Viewed by 861 | Submission Open
Keywords: crustaceans; health; stress; disease; immune system; aquaculture; pathogenesis; environmental stressors; host– pathogen interactions; sustainability
(This special issue belongs to the Section Welfare, Health and Disease)
Advances in Fisheries Economics
edited by Daqing Wu
submission deadline 31 Mar 2026 | 7 articles | Viewed by 3212 | Submission Open
Keywords: bioeconomic modeling; economic valuation; fisheries decision-making; seafood trade; resilience
Effects of Dietary Ingredients on Fish Nutrition and Health
edited by
submission deadline 31 Mar 2026 | 1 articles | Viewed by 479 | Submission Open
Keywords: fish nutrition; functional feeds; alternative protein sources; alternative nutritional sources; gut microbiota; immune function; nutrient bioavailability; feed efficiency; fish health; sustainable aquaculture
(This special issue belongs to the Section Nutrition and Feeding)
Advancing the Research and Conservation of the Estuarine and Coastal Ecosystems of California and Baja California
edited by and
submission deadline 31 Mar 2026 | Viewed by 256 | Submission Open
Keywords: estuarine ecosystems; estuaries; coastal lagoons; tidal habitats; biology; ecology; conservation; management; physical oceanography; chemical oceanography; biological oceanography
Biodiversity and Spatial Distribution of Fishes, Second Edition
edited by , Ying Xue and Luoliang Xu
submission deadline 10 Apr 2026 | 8 articles | Viewed by 10848 | Submission Open
Keywords: fish biodiversity; spatial– temporal dynamics; fish community; environmental impact factors; climate change; species distribution; eDNA; ecological modelling; community structure
(This special issue belongs to the Section Biology and Ecology)
Genetics and Breeding of Fishes
edited by Wuhui Li
submission deadline 10 Apr 2026 | 4 articles | Viewed by 2380 | Submission Open
Keywords: fish breeding techniques; reproduction; genetics and genomics; sustainable aquaculture
(This special issue belongs to the Section Genetics and Biotechnology)
Toxicology of Anthropogenic Pollutants on Fish
edited by
submission deadline 15 Apr 2026 | 7 articles | Viewed by 10950 | Submission Open
Keywords: anthropogenic pollutants; fish toxicology; aquatic ecosystems; organic pollutants; microplastics; trace elements; environmental protection
(This special issue belongs to the Section Environment and Climate Change)
Advances in Carp: Genetic Improvement and Biotechnology
edited by , and Kaiqi Lian
submission deadline 15 Apr 2026 | 2 articles | Viewed by 1950 | Submission Open
Keywords: carp; genome mining; gene function; genetic breeding; gene editing; xenotransplantation; germplasm preservation; spermatogenesis; disease diagnosis and control
Advances in Shrimp Physiology and Genomics
edited by and Yuquan Li
submission deadline 15 Apr 2026 | 1 articles | Viewed by 748 | Submission Open
Keywords: crustaceans; shrimp; aquaculture; physiology; genomics; genetics; transcriptomics; proteomics; metabolomics
(This special issue belongs to the Section Aquatic Invertebrates)
Molecular Mechanisms of Fish Immune Response
edited by
submission deadline 15 Apr 2026 | Viewed by 359 | Submission Open
Keywords: aquatic animals; fish; immune system; immune response; host-pathogens interactions; molecular mechanisms
(This special issue belongs to the Section Welfare, Health and Disease)
Fish Fossils: Paleontology’s Window to the Past
edited by
submission deadline 18 Apr 2026 | Viewed by 134 | Submission Open
Keywords: paleoichthyology; phylogeny; evolution; paleoenvironment; imaging and analytical techniques
(This special issue belongs to the Section Taxonomy, Evolution, and Biogeography)
Welfare and Stressor in Aquaculture: Mechanisms, Management, and Sustainable Solutions
edited by and Guangjun Wang
submission deadline 20 Apr 2026 | 1 articles | Viewed by 311 | Submission Open
Keywords: aquatic animal welfare; sustainable aquaculture; physiological and behavioral responses; smart aquaculture technologies
(This special issue belongs to the Section Welfare, Health and Disease)
Applications of Hydroacoustic Technology to Marine Ecology and Fisheries
edited by Xiaoqin Zang and Leif Rasmuson
submission deadline 20 Apr 2026 | Viewed by 210 | Submission Open
Keywords: hydroacoustic technology; aquatic ecology; acoustic telemetry; passive acoustic monitoring; fish passage; hydropower; offshore wind; marine hydrokinetic energy; acoustic surveys
Effects of New Environmental Pollutants on Aquatic Ecosystems and Species
edited by
submission deadline 25 Apr 2026 | Viewed by 203 | Submission Open
Keywords: environment pollutants; aquatic organisms; bioaccumulation; biomagnification; effects toxicity; marine animals; aquatic ecosystem
(This special issue belongs to the Section Environment and Climate Change)
Advances in the Application of Microalgae in Aquaculture
edited by Yihong Zheng and
submission deadline 28 Apr 2026 | 1 articles | Viewed by 470 | 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 | 2 articles | Viewed by 5696 | 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 1738 | 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 269 | 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 190 | Submission Open
Keywords: ecological aquaculture; environmental factor; disease control; antibiotic alternatives; sustainable aquaculture; stress; adaptation; environmental acclimatization
Stress Ecology of Aquatic Animals
edited by and Nesho H. Chipev
submission deadline 10 May 2026 | Viewed by 224 | 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 179 | Submission Open
Keywords: governance; economic viability; climate change; social well-being; environmental impact; feed ingredients; animal health and welfare; engineering; product quality; automation
Intestinal Health of Aquatic Organisms
edited by Mao Lin, and
submission deadline 15 May 2026 | 5 articles | Viewed by 6491 | Submission Open
Keywords: gut health; gut microbiota; biodiversity; probiotics; prebiotics; postbiotics; bacteriophage; immune function; nutrient absorption; disease resistance
(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 5423 | 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 | 4 articles | Viewed by 3277 | 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)
Physiological and Behavioral Studies in Aquaculture
edited by
submission deadline 15 May 2026 | Viewed by 190 | 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 148 | 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)
Evolutionary Biology of Aquatic Animals submission deadline 15 May 2026 | Viewed by 138 | 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)
Green Sustainable Aquaculture and Environmental Control
edited by Guangjun Wang, , Kai Zhang and
submission deadline 15 May 2026 | Viewed by 129 | 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 6405 | Submission Open
Keywords: fish; nutrition; immunity; immune additives
(This special issue belongs to the Section Nutrition and Feeding)
Ecology of Fish: Age, Growth, Reproduction and Feeding Habits submission deadline 20 May 2026 | 4 articles | Viewed by 3586 | Submission Open
Keywords: age; growth; reproductive ecology; feeding ecology; population dynamics
(This special issue belongs to the Section Biology and Ecology)
Microbial Pathogens, Disease Control and Veterinary Drug Use in Aquaculture
edited by , and Yali Wang
submission deadline 20 May 2026 | 4 articles | Viewed by 3020 | Submission Open
Keywords: diseases; pathogens; control; aquaculture
(This special issue belongs to the Section Welfare, Health and Disease)
Advances in Integrated Rice-Fish Farming
edited by Zongjun Du and Dongjie Wang
submission deadline 20 May 2026 | 1 articles | Viewed by 567 | 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)
Sustainable Fisheries Dynamics
edited by Rong Wan and Junbo Zhang
submission deadline 22 May 2026 | 9 articles | Viewed by 6209 | 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 | 2 articles | Viewed by 1888 | 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)
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