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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Genetics and Breeding of Fishes
edited by Wuhui Li
submission deadline 10 Sep 2026 | 7 articles | Viewed by 7188 | Submission Open
Keywords: fish breeding techniques; reproduction; genetics and genomics; sustainable aquaculture
(This special issue belongs to the Section Genetics and Biotechnology)
Feature Papers by Fishes’ Editorial Board Members submission deadline 10 Sep 2026 | 2 articles | Viewed by 3407 | 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
Technology for Fish and Fishery Monitoring—2nd Edition
edited by Vincent Kerzérho
submission deadline 10 Sep 2026 | 5 articles | Viewed by 3268 | Submission Open
Keywords: fisheries; biologging; physiologging; biotelemetry; monitoring; tracking; sensors; embedded systems; electronic tags; machine learning; artificial intelligence (AI); AUV; ROV
(This special issue belongs to the Section Fishery Facilities, Equipment, and Information Technology)
Aquatic Invasions in a Changing World: From Ecological Impacts to System Transformation submission deadline 13 Sep 2026 | Viewed by 357 | Submission Open
Keywords: aquatic biological invasions; global environmental change; climate extremes; ecosystem functioning; environmental DNA (eDNA); novel ecosystems; one health
(This special issue belongs to the Section Biology and Ecology)
Toxic Effects of Microplastics on Aquatic Animals submission deadline 15 Sep 2026 | Viewed by 339 | 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)
Biotechnology Innovations in Aquaculture
edited by Nivaldo Ferreira do Nascimento, and
submission deadline 15 Sep 2026 | Viewed by 258 | Submission Open
Keywords: chromosome manipulation; cryopreservation; fish reproduction; functional genomics; germ cell transplantation; nutrition; health management; sex control; sustainable aquaculture; germ cell manipulation
(This special issue belongs to the Section Sustainable Aquaculture)
Advances in Carp: Genetic Improvement and Biotechnology
edited by , and Kaiqi Lian
submission deadline 20 Sep 2026 | 2 articles | Viewed by 3528 | 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 20 Sep 2026 | 1 articles | Viewed by 1489 | Submission Open
Keywords: crustaceans; shrimp; aquaculture; physiology; genomics; genetics; transcriptomics; proteomics; metabolomics
(This special issue belongs to the Section Aquatic Invertebrates)
Nutritional Physiology and Environmental Toxicology of Aquatic Animals
edited by Yuhong Yang, Shengqiang Tao and Xianyong Bu
submission deadline 20 Sep 2026 | 1 articles | Viewed by 965 | Submission Open
Keywords: nutrition; stress; physiology; toxicology; aquatic animal
(This special issue belongs to the Section Nutrition and Feeding)
Advances in Acoustic Monitoring of Aquatic Animals: From Classical Methods to AI-Enabled Solutions
edited by and Shashidhar Siddagangaiah
submission deadline 27 Sep 2026 | Viewed by 290 | Submission Open
Keywords: passive acoustics (PAM); active acoustics; echo-classification target strength analysis; bioacoustics; soundscape ecology; machine learning; deep learning; automated detection; localization and tracking
(This special issue belongs to the Section Fishery Facilities, Equipment, and Information Technology)
Endocrine Regulation of Growth and Reproduction in Fish submission deadline 5 Oct 2026 | Viewed by 337 | Submission Open
Keywords: somatic growth; reproduction; fish; aquaculture; fisheries management
(This special issue belongs to the Section Physiology and Biochemistry)
Advances in the Application of Microalgae in Aquaculture
edited by Yihong Zheng and
submission deadline 10 Oct 2026 | 2 articles | Viewed by 1987 | 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)
Migration and Movement Ecology of Freshwater Fishes submission deadline 10 Oct 2026 | Viewed by 394 | Submission Open
Keywords: freshwater fish migration; reproductive migrations; movement ecology; river connectivity; conservation and management
(This special issue belongs to the Section Biology and Ecology)
Aquaculture Omics: Current Status and Future Perspectives submission deadline 15 Oct 2026 | 2 articles | Viewed by 1168 | Submission Open
Keywords: aquaculture omics; genomics; transcriptomics; proteomics; metabolomics; epigenomics; sustainable aquaculture; disease resistance; genomic selection; climate resilience
(This special issue belongs to the Section Genetics and Biotechnology)
Digestive Physiology in Aquatic Animals: Capacities for Ingestion, Digestion, and Absorption
edited by Héctor G. Nolasco-Soria
submission deadline 15 Oct 2026 | Viewed by 250 | Submission Open
Keywords: aquatic organisms digestive physiology; ingestion capacity; digestive physiological ions and bile; digestive capacity; in vitro and in vivo digestibility; absorption capacity; food transit rates
(This special issue belongs to the Section Physiology and Biochemistry)
Stress Ecology of Aquatic Animals
edited by and Nesho H. Chipev
submission deadline 20 Oct 2026 | 2 articles | Viewed by 2718 | 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)
Ecohydrology and River Connectivity: Implications for Fish Conservation
edited by , Yiqun Hou and
submission deadline 20 Oct 2026 | 2 articles | Viewed by 1555 | Submission Open
Keywords: fish passage; river connectivity; ecohydrology; fish behavior; fish habitat; fish passage monitoring and evaluation; fish passage hydraulics; fish toxicology; fish resources conservation; river and lake ecosystem health
(This special issue belongs to the Section Biology and Ecology)
Recent Studies on Pathogen-Host Interaction of Aquatic Animals
edited by Yaoyao Zhan, and Yucong Huang
submission deadline 20 Oct 2026 | 2 articles | Viewed by 1292 | Submission Open
Keywords: pathogen; aquatic organisms; host-pathogen interaction; symptoms and responses; molecular regulation (interaction) network; pathogenesis mechanism; disease control and prevention
(This special issue belongs to the Section Welfare, Health and Disease)
Vantage Points in the Morphology of Aquatic Organisms
edited by Peter S. Johnston
submission deadline 31 Oct 2026 | 3 articles | Viewed by 3939 | Submission Open
Keywords: morphology; palaeontology; aquatic; vertebrate; invertebrate; fish; cetacean
(This special issue belongs to the Section Biology and Ecology)
Welfare and Stressor in Aquaculture: Mechanisms, Management, and Sustainable Solutions
edited by and Guangjun Wang
submission deadline 31 Oct 2026 | 2 articles | Viewed by 2680 | 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)
Recent Advances in Nutrition and Metabolic Regulation of Fish
edited by , Yulong Gong and Wenjie Xu
submission deadline 31 Oct 2026 | 1 articles | Viewed by 1966 | Submission Open
Keywords: fish nutrition; metabolic adaptation; functional feed additives; novel feed ingredients
(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 31 Oct 2026 | 2 articles | Viewed by 1626 | 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)
Fish Disease Prevention: Immune Defense and Vaccine Development
edited by and
submission deadline 31 Oct 2026 | 2 articles | Viewed by 1559 | 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)
Nutrition Requirements and Feed Development for Aquaculture Animals
edited by , Huatao Li, and Qihui Yang
submission deadline 31 Oct 2026 | 1 articles | Viewed by 1326 | 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)
Sustainable Bivalve Mollusks Aquaculture
edited by Maoxiao Peng
submission deadline 31 Oct 2026 | 3 articles | Viewed by 1263 | 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)
Genetic Foundations of Disease Resistance in Fishes
edited by
submission deadline 31 Oct 2026 | 2 articles | Viewed by 1174 | Submission Open
Keywords: disease resistance; fish genetics; QTL; GWAS; immune genetics; genomic selection; aquaculture breeding
(This special issue belongs to the Section Genetics and Biotechnology)
Feed Additives in Fish and Shellfish Farming
edited by and Ping Wu
submission deadline 31 Oct 2026 | 1 articles | Viewed by 913 | Submission Open
Keywords: aquatic animal nutrition; feed additive; immunity; nutritional physiology; disease resistance
(This special issue belongs to the Section Nutrition and Feeding)
Physiological and Behavioral Studies in Aquaculture
edited by
submission deadline 10 Nov 2026 | 5 articles | Viewed by 3613 | Submission Open
Keywords: aquaculture; physiology; behavior; stress response; metabolism; neuroendocrine regulation; nutrition; welfare; environmental adaptation; sustainable aquaculture
Sustainable Aquaculture and Seafood Production
edited by
submission deadline 10 Nov 2026 | 2 articles | Viewed by 3510 | Submission Open
Keywords: governance; economic viability; climate change; social well-being; environmental impact; feed ingredients; animal health and welfare; engineering; product quality; automation
Evolutionary Biology of Aquatic Animals submission deadline 10 Nov 2026 | 2 articles | Viewed by 2019 | 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)
Advancing Aquatic Animals Nutrition: Functional Additives and Physiological Regulation
edited by , and Biao Han
submission deadline 15 Nov 2026 | 1 articles | Viewed by 1470 | Submission Open
Keywords: aquatic animal nutrition; nutritional functional additives; physiological regulation; sustainable aquaculture; antibiotic alternatives; immunomodulation; stress resistance
(This special issue belongs to the Section Nutrition and Feeding)
Use of Essential Oils in Aquaculture submission deadline 20 Nov 2026 | 5 articles | Viewed by 9303 | Submission Open
Keywords: welfare; safe management; transportation; growth; anesthetic; stress
(This special issue belongs to the Section Welfare, Health and Disease)
Germplasm Resources and Genetic Breeding of Aquatic Animals
edited by and
submission deadline 20 Nov 2026 | 5 articles | Viewed by 6336 | 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)
Stress Responses in Fish submission deadline 20 Nov 2026 | 3 articles | Viewed by 2972 | Submission Open
Keywords: fish; physiology; stress; HPI axis; cortisol
(This special issue belongs to the Section Physiology and Biochemistry)
Green Sustainable Aquaculture and Environmental Control
edited by Guangjun Wang, , Kai Zhang and
submission deadline 20 Nov 2026 | 2 articles | Viewed by 1974 | Submission Open
Keywords: sustainable aquaculture; environment regulation; environment restoration
(This special issue belongs to the Section Sustainable Aquaculture)
Salmon Aquaculture
edited by Jose Luis Muñoz and
submission deadline 20 Nov 2026 | 1 articles | Viewed by 752 | Submission Open
Keywords: salmon physiology; salmon health; salmon stress and welfare; climate change and salmon farming; technological innovation and sustainability; salmon aquaculture
(This special issue belongs to the Section Sustainable Aquaculture)
Immunity in Teleost Fishes: From Pattern Recognition to Protective Responses
edited by and
submission deadline 20 Nov 2026 | Viewed by 355 | Submission Open
Keywords: teleost fishes; interferon expression; antiviral immune response; antibacterial immune response; pattern recognition receptors; immune signaling transduction; comparative immunology; fish health; disease resistance
(This special issue belongs to the Section Welfare, Health and Disease)
Ecology of Fish: Age, Growth, Reproduction and Feeding Habits submission deadline 30 Nov 2026 | 12 articles | Viewed by 13229 | Submission Open
Keywords: age; growth; reproductive ecology; feeding ecology; population dynamics
(This special issue belongs to the Section Biology and Ecology)
Advances in Shellfish Aquaculture
edited by and Emily Kunselman
submission deadline 30 Nov 2026 | 6 articles | Viewed by 7346 | 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)
The Roles of Fishery Biology and Fish Population Dynamics in Fisheries Management—2nd Edition submission deadline 30 Nov 2026 | 4 articles | Viewed by 6633 | 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)
Nutritional Modulation of Brain Function and Behavior in Aquatic Animals submission deadline 30 Nov 2026 | 1 articles | Viewed by 3293 | 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)
Functional Gene Analysis and Genomic Technologies in Aquatic Animals
edited by
submission deadline 30 Nov 2026 | 3 articles | Viewed by 2986 | 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 Nov 2026 | 1 articles | Viewed by 1327 | Submission Open
Keywords: feed additives; microbiota; aquafeeds; metabolism; immunology
(This special issue belongs to the Section Nutrition and Feeding)
Passive Acoustic Monitoring of Aquatic Animals
edited by
submission deadline 30 Nov 2026 | 1 articles | Viewed by 896 | Submission Open
Keywords: passive acoustic monitoring (PAM); bioacoustics; cetaceans; marine mammal; communication; anthropogenic noise; automated detection; conservation bioacoustics; soundscape ecology
Enforcement and Compliance in Fisheries
edited by Geir Hønneland
submission deadline 30 Nov 2026 | 1 articles | Viewed by 836 | 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)
Molecular Research on Immunological Responses in Aquatic Animals
edited by
submission deadline 30 Nov 2026 | 1 articles | Viewed by 615 | Submission Open
Keywords: immunological responses; molecular immunity; immune signaling pathway; host–pathogen interaction; mucosal immunity; immune regulation; disease resistance
(This special issue belongs to the Section Welfare, Health and Disease)
Integrated Strategies for Shark Conservation: Bridging Fisheries Science, Ecology, and Adaptive Management
edited by Jorge Homero Rodrígez-Castro and José Alberto Ramírez de León
submission deadline 30 Nov 2026 | Viewed by 406 | Submission Open
Keywords: shark conservation; population assessment; marine protected areas; bycatch and mitigation; climate change and distribution; connectivity and genetics; ecosystem approach to fisheries; adaptive management and governance; telemetry and novel technologies; data limited fisheries
(This special issue belongs to the Section Biology and Ecology)
10th Anniversary of Fishes: Microbiome, Functional Feed, Precision Nutrition, and AI Approaches in Aquaculture
edited by
submission deadline 30 Nov 2026 | Viewed by 244 | Submission Open
Keywords: precision aquaculture; artificial intelligence; functional feeds; fish microbiome; smart feeding systems
(This special issue belongs to the Section Nutrition and Feeding)
Infectious Diseases and Immune Responses in Aquatic Animals
edited by Shuting Xiong and Pengfei Chu
submission deadline 30 Nov 2026 | Viewed by 182 | Submission Open
Keywords: host–pathogen interactions; innate immunity; adaptive immunity; immune regulation; inflammation; aquatic animal health; infectious diseases
(This special issue belongs to the Section Welfare, Health and Disease)
Applications of Genome-Based Technologies in Aquaculture
edited by Peng Yu
submission deadline 1 Dec 2026 | 3 articles | Viewed by 2379 | Submission Open
Keywords: genomics; selective breeding; genome editing; aquaculture genetics; genomic selection; molecular breeding; aquaculture; phenotype; genotype; multi-omics
(This special issue belongs to the Section Genetics and Biotechnology)
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