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 Fisheries Dynamics
edited by Rong Wan and Junbo Zhang
submission deadline 30 Dec 2025 | 6 articles | Viewed by 4451 | 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)
Prevention and Control of Aquatic Animal Diseases
edited by
submission deadline 31 Dec 2025 | 7 articles | Viewed by 16116 | Submission Open
Keywords: aquatic animal diseases; fish vaccines; immunostimulants; Chinese herbs in aquaculture; aquatic animal pathogen; host-pathogen interaction; disease-resistance genes
(This special issue belongs to the Section Welfare, Health and Disease)
Habitat as a Template for Life Histories of Fish
edited by
submission deadline 31 Dec 2025 | 5 articles | Viewed by 7823 | Submission Open
Keywords: ecological trait trade-offs; environmental stress; life history traits; local adaptation; phenotypic plasticity; reaction norms
(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 31 Dec 2025 | 4 articles | Viewed by 4491 | 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)
Movement Ecology and Conservation of Large Marine Fishes (and Sharks)
edited by Chi-Hin Lam
submission deadline 31 Dec 2025 | 1 articles | Viewed by 3277 | Submission Open
Keywords: navigation; tagging; sensing; fisheries; energetics; artificial intelligence; ocean circulation; currents; circadian rhythm
(This special issue belongs to the Section Biology and Ecology)
An Issue in Honor of Yoram Avnimelech: Application of Biofloc Technology (BFT) submission deadline 31 Dec 2025 | 3 articles | Viewed by 3166 | Submission Open
Keywords: bacterial community; super intensive; circular economy; sustainability; nitrification; heterotrophic
(This special issue belongs to the Section Sustainable Aquaculture)
Biology and Conservation of Elasmobranchs
edited by María-Del-Pilar Blanco-Parra and Carlos J. Polo-Silva
submission deadline 31 Dec 2025 | 2 articles | Viewed by 2152 | Submission Open
Keywords: sharks; rays; ecological role; movements; distribution; ecological niche; conservation
(This special issue belongs to the Section Biology and Ecology)
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 31 Dec 2025 | 3 articles | Viewed by 1736 | 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)
Fish Monitoring and Stock Assessment for Fishery Management
edited by , Jiajun Li and Jiangtao Fan
submission deadline 31 Dec 2025 | 1 articles | Viewed by 1086 | Submission Open
Keywords: fish survey and monitoring technology; fisheries management; remote sensing; environmental DNA (eDNA); acoustics
(This special issue belongs to the Section Fishery Economics, Policy, and Management)
Advancing Research for the Management and Conservation of Diadromous Fish
edited by Carlos Antunes, and Ester Dias
submission deadline 31 Dec 2025 | Viewed by 258 | Submission Open
Keywords: diadromous fishes; climate change; conservation; fisheries management; genetic diversity; habitat connectivity
(This special issue belongs to the Section Biology and Ecology)
Advances in Fish Reproductive Physiology
edited by Walisson De Souza e Silva, Deliane Cristina Costa, and Raphael Nogueira Bahiense
submission deadline 10 Jan 2026 | 5 articles | Viewed by 6272 | Submission Open
Keywords: reproduction; fish; endocrinology; gametogenesis; spawning; hormones; gonads; aquaculture; ovulation; spermatogenesis
(This special issue belongs to the Section Physiology and Biochemistry)
Advances in Catfish Research
edited by , , and Shiyong Zhang
submission deadline 10 Jan 2026 | 1 articles | Viewed by 815 | Submission Open
Keywords: catfish; genetics; breeding; nutritional requirements; immunology; physiology and biochemistry; aquaculture techniques
Physiology and Aquaculture of Pearl-Producing Mollusks
edited by Pedro E. Saucedo
submission deadline 10 Jan 2026 | Viewed by 299 | Submission Open
Keywords: aquaculture; marine mollusks; freshwater mollusks; physiology of pearl-producing mollusks; pearl culture
(This special issue belongs to the Section Aquatic Invertebrates)
Trophic Ecology of Freshwater and Marine Fish Species
edited by Davide Cicala, Ying Xue, Kai Wang and
submission deadline 15 Jan 2026 | 4 articles | Viewed by 7004 | Submission Open
Keywords: fish; trophic niches; trophic ecology; food web; dietary composition; feeding strategies
(This special issue belongs to the Section Biology and Ecology)
Adaptation and Response of Fish to Environmental Changes
edited by Jie Li, Mingdian Liu and
submission deadline 15 Jan 2026 | 7 articles | Viewed by 6774 | Submission Open
Keywords: eco-physiology; behavior monitoring; ecological adaptation; climate change; human activities
(This special issue belongs to the Section Environment and Climate Change)
Biology and Culture of Marine Invertebrates submission deadline 15 Jan 2026 | 4 articles | Viewed by 2392 | Submission Open
Keywords: marine invertebrates; biology; aquaculture
(This special issue belongs to the Section Aquatic Invertebrates)
Seafood Products: Nutrients, Safety, and Sustainability
edited by and Marília Miotto
submission deadline 15 Jan 2026 | 1 articles | Viewed by 1577 | 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)
Conservation and Population Genetics of Fishes
edited by Dongmei Xiong
submission deadline 20 Jan 2026 | 5 articles | Viewed by 5960 | Submission Open
Keywords: conservation of endangered fishes; genetic diversity; population genetics; species delimitation; population structure and genetic divergence; adaptive evolution; polygenic relationship; genome-wide data
(This special issue belongs to the Section Genetics and Biotechnology)
Advancing Fish Nutrition Research for Sustainable Aquaculture
edited by and Leo Nankervis
submission deadline 20 Jan 2026 | 2 articles | Viewed by 3401 | Submission Open
Keywords: fish nutrition; alternative feed formulation; protein source optimization; sustainable aquaculture; essential amino acid; fishmeal; hepatic health; growth indices; digestion physiology; tropical species adaptation
(This special issue belongs to the Section Nutrition and Feeding)
Molecular Mechanism of Fish Immune Response to Pathogens
edited by
submission deadline 20 Jan 2026 | 3 articles | Viewed by 2431 | Submission Open
Keywords: fish; immune response; pathogens; omics; molecular mechanism
(This special issue belongs to the Section Fish Pathology and Parasitology)
Parasites in Aquaculture
edited by Marine Combe
submission deadline 20 Jan 2026 | Viewed by 230 | Submission Open
Keywords: parasites; farmed aquatic animals; infections; prevalence; virulence; diversity; disease emergence; disease ecology; disease management
(This special issue belongs to the Section Fish Pathology and Parasitology)
Advances in Cytogenetics of Fish
edited by , Ricardo Utsunomia and
submission deadline 21 Jan 2026 | Viewed by 329 | Submission Open
Keywords: cytogenomics; sex chromosomes; B chromosomes; repetitive DNA; karyotype; chromosomal evolution
(This special issue belongs to the Section Genetics and Biotechnology)
Intestinal Health of Aquatic Organisms
edited by Mao Lin, and
submission deadline 25 Jan 2026 | 5 articles | Viewed by 5430 | 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)
Building a Sustainable Future for Inland Fisheries and Aquaculture in a Time of Multiple Stressors
edited by , Jurica Jug-Dujaković, Ivan Špelić and Tena Radočaj
submission deadline 31 Jan 2026 | 1 articles | Viewed by 1727 | Submission Open
Keywords: sustainable aquaculture; aquaculture developments; freshwater aquaculture; sustainable inland fisheries; aquatic invasive species
Tilapia Aquaculture: State-of-the-Art
edited by , Jianmeng Cao, and
submission deadline 31 Jan 2026 | Viewed by 236 | Submission Open
Keywords: Tilapia; aquaculture; breeding; nutrition; disease; aquatic economy; germplasm resources
Pivotal Roles of Feed Additives for Fish submission deadline 10 Feb 2026 | 3 articles | Viewed by 12080 | Submission Open
Keywords: aquaculture; fish farming; feed additives; nutrition; functional feed; essential oils; probiotics; postbiotics; organic salts
(This special issue belongs to the Section Nutrition and Feeding)
Advances in Shellfish Aquaculture
edited by and Emily Kunselman
submission deadline 10 Feb 2026 | Viewed by 228 | Submission Open
Keywords: shellfish aquaculture; disease management; shellfish genomics; sustainable production; nutritional physiology; biosecurity; environmental impact; hatchery technology; aquaculture policy; integrated multi-trophic aquaculture (IMTA)
(This special issue belongs to the Section Sustainable Aquaculture)
Dietary Supplementation in Aquaculture submission deadline 15 Feb 2026 | 3 articles | Viewed by 3883 | 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 | 2 articles | Viewed by 2241 | 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)
Sustainable Management of Small-Scale and Data-Limited Fisheries: Diagnosis and Strategies submission deadline 20 Feb 2026 | 3 articles | Viewed by 3262 | Submission Open
Keywords: data-limited fisheries; fishery management; management measures; monitoring programs; small-scale fisheries; stock assessment; sustainability
Environmental Change Impacts on Freshwater Fish Communities submission deadline 20 Feb 2026 | Viewed by 121 | 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 2246 | 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 818 | 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 881 | 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 Luis Otavio Brito and Suzianny Maria Bezerra Cabral Da Silva
submission deadline 28 Feb 2026 | Viewed by 211 | 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 201 | Submission Open
Keywords: reproduction; larviculture; induced spawning
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 615 | 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 | 1 articles | Viewed by 622 | 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 231 | 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 | 1 articles | Viewed by 158 | 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 | 3 articles | Viewed by 3198 | 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 281 | 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 2550 | 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 1317 | 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 290 | 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 719 | 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 | 4 articles | Viewed by 1281 | 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 224 | 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 108 | 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 179 | 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)
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