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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Sustainable Management of Small-Scale and Data-Limited Fisheries: Diagnosis and Strategies submission deadline 20 Feb 2026 | 3 articles | Viewed by 2356 | Submission Open
Keywords: data-limited fisheries; fishery management; management measures; monitoring programs; small-scale fisheries; stock assessment; sustainability
New Challenges in Control and Monitoring of Aquatic Invasive Species
edited by Lorenzo Vilizzi and
submission deadline 20 Feb 2026 | Viewed by 174 | Submission Open
Keywords: biodiversity conservation; early detection and monitoring; risk assessment methods; ecosystem restoration; bio-control strategies; environmental policy and management
Environmental Change Impacts on Freshwater Fish Communities submission deadline 20 Feb 2026 | Viewed by 99 | Submission Open
Keywords: fish ecology; aquatic conservation; Anthropocene impacts; climate change effects; freshwater biodiversity; microplastic pollution; agrochemical contamination; riparian degradation; community-based conservation; functional trait diversity; metacommunity dynamics
(This special issue belongs to the Section Environment and Climate Change)
The Ecology of Reef Fishes
edited by , Fabiana Cézar Félix-Hackradt and
submission deadline 25 Feb 2026 | 2 articles | Viewed by 1703 | 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 | 1 articles | Viewed by 568 | Submission Open
Keywords: genetic breeding; aquatic animal immunity; disease resistance; genomic selection; gene editing
(This special issue belongs to the Section Genetics and Biotechnology)
Sustainable Aquaculture of Crustaceans
edited by Luis Otavio Brito and Suzianny Maria Bezerra Cabral Da Silva
submission deadline 28 Feb 2026 | Viewed by 177 | 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)
Reproduction, Embryogenesis and Larviculture of Fish in Captivity
edited by Sergio Ricardo Batlouni
submission deadline 28 Feb 2026 | Viewed by 174 | Submission Open
Keywords: reproduction; larviculture; induced spawning
Advances in the Immunology of Aquatic Animals
edited by , and Mingzhu Pan
submission deadline 28 Feb 2026 | 1 articles | Viewed by 129 | 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)
Population Genomics for Freshwater Fish Conservation: From Markers to Management
edited by and In-Chul Bang
submission deadline 1 Mar 2026 | Viewed by 208 | 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
Feature Papers by Fishes’ Editorial Board Members submission deadline 10 Mar 2026 | Viewed by 274 | 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
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 183 | Submission Open
Keywords: climate change; aquatic organisms; physiological ecology; adaptation strategies; environmental management
Ecology and Treatment of Parasitic Diseases in Aquatic Species submission deadline 10 Mar 2026 | Viewed by 54 | 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)
Advances in Pathology of Aquatic Animals
edited by Maria Cristina Chávez-Sánchez
submission deadline 15 Mar 2026 | 2 articles | Viewed by 2521 | 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 | Viewed by 245 | 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 | 1 articles | Viewed by 1790 | 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 | 1 articles | Viewed by 749 | 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 | Viewed by 115 | 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 544 | 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 | Viewed by 404 | Submission Open
Keywords: bioeconomic modeling; economic valuation; fisheries decision-making; seafood trade; resilience
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 204 | Submission Open
Keywords: estuarine ecosystems; estuaries; coastal lagoons; tidal habitats; biology; ecology; conservation; management; physical oceanography; chemical oceanography; biological oceanography
Effects of Dietary Ingredients on Fish Nutrition and Health
edited by
submission deadline 31 Mar 2026 | Viewed by 90 | 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)
Enforcement and Compliance in Fisheries
edited by Geir Hønneland
submission deadline 1 Apr 2026 | Viewed by 154 | Submission Open
Keywords: compliance; enforcement; IUU fishing; fisheries management; law of the sea; ocean governance; blue crime
(This special issue belongs to the Section Fishery Economics, Policy, and Management)
Biodiversity and Spatial Distribution of Fishes, Second Edition
edited by , Ying Xue and Luoliang Xu
submission deadline 10 Apr 2026 | 5 articles | Viewed by 7346 | 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 | 3 articles | Viewed by 1083 | 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 | 6 articles | Viewed by 7747 | 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 | 1 articles | Viewed by 626 | Submission Open
Keywords: carp; genome mining; gene function; genetic breeding; gene editing; xenotransplantation; germplasm preservation; spermatogenesis; disease diagnosis and control
Molecular Mechanisms of Fish Immune Response
edited by
submission deadline 15 Apr 2026 | Viewed by 281 | 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)
Advances in Shrimp Physiology and Genomics
edited by and Yuquan Li
submission deadline 15 Apr 2026 | Viewed by 114 | Submission Open
Keywords: crustaceans; shrimp; aquaculture; physiology; genomics; genetics; transcriptomics; proteomics; metabolomics
(This special issue belongs to the Section Aquatic Invertebrates)
Fish Fossils: Paleontology’s Window to the Past
edited by
submission deadline 18 Apr 2026 | Viewed by 65 | Submission Open
Keywords: paleoichthyology; phylogeny; evolution; paleoenvironment; imaging and analytical techniques
(This special issue belongs to the Section Taxonomy, Evolution, and Biogeography)
Applications of Hydroacoustic Technology to Marine Ecology and Fisheries
edited by Xiaoqin Zang and Leif Rasmuson
submission deadline 20 Apr 2026 | Viewed by 140 | Submission Open
Keywords: hydroacoustic technology; aquatic ecology; acoustic telemetry; passive acoustic monitoring; fish passage; hydropower; offshore wind; marine hydrokinetic energy; acoustic surveys
Welfare and Stressor in Aquaculture: Mechanisms, Management, and Sustainable Solutions
edited by and Guangjun Wang
submission deadline 20 Apr 2026 | Viewed by 55 | 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)
Effects of New Environmental Pollutants on Aquatic Ecosystems and Species
edited by
submission deadline 25 Apr 2026 | Viewed by 149 | 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 | Viewed by 99 | 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)
Impact of Plastic and Fiber Pollution on Aquatic Animals submission deadline 30 Apr 2026 | Viewed by 163 | 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 118 | 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 30 Apr 2026 | Viewed by 61 | 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)
Age Determination of Aquatic Animals
edited by Raouf W. Kilada
submission deadline 10 May 2026 | 2 articles | Viewed by 1603 | Submission Open
Keywords: age; validation; growth; shells; cephalopod; echinoderms; crustaceans; fish
Fish Disease Prevention: Immune Defense and Vaccine Development
edited by and
submission deadline 10 May 2026 | Viewed by 111 | 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)
Sustainable Aquaculture and Seafood Production
edited by
submission deadline 10 May 2026 | Viewed by 100 | Submission Open
Keywords: governance; economic viability; climate change; social well-being; environmental impact; feed ingredients; animal health and welfare; engineering; product quality; automation
Fish Farming in Recirculating Aquaculture Systems
edited by Baoliang Liu and Wenyang Li
submission deadline 15 May 2026 | 2 articles | Viewed by 4333 | Submission Open
Keywords: recirculating aquaculture system; indoor aquaculture; zero water exchange aquaculture; aquaculture environment
(This special issue belongs to the Section Sustainable Aquaculture)
Evolutionary Biology of Aquatic Animals submission deadline 15 May 2026 | Viewed by 77 | 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 72 | Submission Open
Keywords: aquaculture; physiology; behavior; stress response; metabolism; neuroendocrine regulation; nutrition; welfare; environmental adaptation; sustainable aquaculture
Green Sustainable Aquaculture and Environmental Control
edited by Kai Zhang, Guangjun Wang, and
submission deadline 15 May 2026 | Viewed by 36 | Submission Open
Keywords: sustainable aquaculture; environment regulation; environment restoration
(This special issue belongs to the Section Sustainable Aquaculture)
Nutritional Modulation of Brain Function and Behavior in Aquatic Animals submission deadline 15 May 2026 | Viewed by 33 | 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)
Advances in Integrated Rice-Fish Farming
edited by Zongjun Du and Dongjie Wang
submission deadline 20 May 2026 | Viewed by 22 | 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)
Impact of Climate Change and Adverse Environments on Aquaculture
edited by , and
submission deadline 25 May 2026 | 1 articles | Viewed by 1130 | 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 59 | 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 | 4 articles | Viewed by 3242 | 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 186 | 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 60 | Submission Open
Keywords: aquatic animal nutrition; feed additive; immunity; nutritional physiology; disease resistance
(This special issue belongs to the Section Nutrition and Feeding)
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