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 10 Aug 2026 | 5 articles | Viewed by 7427
Keywords: data-limited fisheries; fishery management; management measures; monitoring programs; small-scale fisheries; stock assessment; sustainability
Recent Advances in Crayfish
edited by Aimin Wang and Chunnuan Zhang
submission deadline 10 Aug 2026 | 4 articles | Viewed by 3612
Keywords: crayfish; nutrition; physiology; health management; disease; reproduction
(This special issue belongs to the Section Aquatic Invertebrates)
Molecular Phylogeny and Taxonomy of Aquatic Animals submission deadline 10 Aug 2026 | 3 articles | Viewed by 3192
Keywords: biodiversity; biogeography; conservation; distribution; evolution; genetics; ichthiology; systematics; taxonomy; zoology
(This special issue belongs to the Section Taxonomy, Evolution, and Biogeography)
Advances in Tilapia Aquaculture
edited by , Rodrigo Fortes-Silva and Leandro Santos Costa
submission deadline 15 Aug 2026 | 3 articles | Viewed by 2661 | 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)
Impacts of Climate Change on Physiology and Ecology of Aquatic Organisms
edited by , Xinguo Zhao, Yuming Zhang and Ping Li
submission deadline 15 Aug 2026 | 1 articles | Viewed by 1000 | Submission Open
Keywords: climate change; aquatic organisms; physiological ecology; adaptation strategies; environmental management
Immunity in Teleost Fishes: From Pattern Recognition to Protective Responses
edited by and
submission deadline 15 Aug 2026 | Viewed by 313 | 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)
Advances in Pathology of Aquatic Animals
edited by Maria Cristina Chávez-Sánchez
submission deadline 20 Aug 2026 | 5 articles | Viewed by 6976 | 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)
Applications of Hydroacoustic Technology to Marine Ecology and Fisheries
edited by Xiaoqin Zang and Leif Rasmuson
submission deadline 25 Aug 2026 | 1 articles | Viewed by 1073 | Submission Open
Keywords: hydroacoustic technology; aquatic ecology; acoustic telemetry; passive acoustic monitoring; fish passage; hydropower; offshore wind; marine hydrokinetic energy; acoustic surveys
Innovations and Sustainability in Aquaculture Production and Processing submission deadline 31 Aug 2026 | 1 articles | Viewed by 2287 | Submission Open
Keywords: sustainable aquaculture; aquaculture innovations; eco-efficient farming; integrated multitrophic aquaculture (IMTA); sustainable feed; post-harvest processing; waste valorization; aquaculture biotechnology; environmental impact mitigation; circular economy in aquaculture
(This special issue belongs to the Section Sustainable Aquaculture)
Aquaculture Feeds and Feed Additives—Toward Precise and Sustainable Nutrition
edited by , Thais Pereira Da Cruz, Lilian Carolina Rosa Da Silva, Leandro Portz and
submission deadline 31 Aug 2026 | 3 articles | Viewed by 1789 | Submission Open
Keywords: precision nutrition; functional feed additives; dustainable aquafeeds; nutrient metabolism; alternative protein sources; gut microbiome modulation; feed efficiency; immunonutrition; digestive physiology
(This special issue belongs to the Section Nutrition and Feeding)
Freshwater Mussel Biodiversity and Conservation
edited by
submission deadline 31 Aug 2026 | Viewed by 314 | Submission Open
Keywords: freshwater mussel biodiversity; conservation biology; population monitoring; climate change impacts; invasive species; restoration and management; ecosystem services; habitat degradation; conservation genomics
(This special issue belongs to the Section Aquatic Invertebrates)
Effects of Dietary Ingredients on Fish Nutrition and Health
edited by
submission deadline 1 Sep 2026 | 6 articles | Viewed by 5373 | 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)
The Impact of Contamination on Fishes submission deadline 5 Sep 2026 | 4 articles | Viewed by 4277 | 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)
Ecotoxicology Studies on Pollutants Induced Toxicity in Fish
edited by Carmen González-Fernández
submission deadline 6 Sep 2026 | Viewed by 286 | Submission Open
Keywords: fish; pollutants; bioindicators; stress; non-invasive methods; NAMs
(This special issue belongs to the Section Environment and Climate Change)
Genetics and Breeding of Fishes
edited by Wuhui Li
submission deadline 10 Sep 2026 | 6 articles | Viewed by 6377 | 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 2947 | 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
Immunology, Environment, and Nutrition of Aquatic Animals
edited by
submission deadline 10 Sep 2026 | 1 articles | Viewed by 2198 | Submission Open
Keywords: immunology; environment; nutrition; aquatic animals; signal regulation
(This special issue belongs to the Section Nutrition and Feeding)
Plastics in Fish and Shellfish
edited by Numair Masud and
submission deadline 10 Sep 2026 | 1 articles | Viewed by 1021 | Submission Open
Keywords: microplastics; nanoplastics; polymer additives; chemical sorption; aquatic toxicology; fish; shellfish; aquaculture; environmental monitoring; food safety
(This special issue belongs to the Section Environment and Climate Change)
Refinement of Sustainable Aquaculture Systems and Techniques submission deadline 10 Sep 2026 | Viewed by 424 | Submission Open
Keywords: recirculating aquaculture systems; fish nutrition; phytogenic feed additives; essential oils; intestinal microbiota; physiological stress; hematological biomarkers; reproductive performance; growth efficiency; disease resistance
(This special issue belongs to the Section Sustainable Aquaculture)
Aquatic Invasions in a Changing World: From Ecological Impacts to System Transformation submission deadline 13 Sep 2026 | Viewed by 322 | 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 300 | 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 232 | 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 3198 | 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 1378 | 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 699 | 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 258 | 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 296 | 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 | 1 articles | Viewed by 1563 | 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 338 | 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 | 1 articles | Viewed by 700 | 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 225 | 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 2358 | 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 1410 | 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 1150 | 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 3727 | 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 2362 | 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 1898 | 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 | 1 articles | Viewed by 1260 | 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)
Nutrition Requirements and Feed Development for Aquaculture Animals
edited by , Huatao Li, and Qihui Yang
submission deadline 31 Oct 2026 | 1 articles | Viewed by 1141 | 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)
Fish Disease Prevention: Immune Defense and Vaccine Development
edited by and
submission deadline 31 Oct 2026 | 2 articles | Viewed by 1104 | 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)
Genetic Foundations of Disease Resistance in Fishes
edited by
submission deadline 31 Oct 2026 | 2 articles | Viewed by 1012 | 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 760 | Submission Open
Keywords: aquatic animal nutrition; feed additive; immunity; nutritional physiology; disease resistance
(This special issue belongs to the Section Nutrition and Feeding)
Sustainable Bivalve Mollusks Aquaculture
edited by Maoxiao Peng
submission deadline 31 Oct 2026 | 1 articles | Viewed by 704 | 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)
Physiological and Behavioral Studies in Aquaculture
edited by
submission deadline 10 Nov 2026 | 5 articles | Viewed by 3195 | 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 3070 | 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 1844 | 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 1293 | 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 8808 | 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 5960 | 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 2574 | Submission Open
Keywords: fish; physiology; stress; HPI axis; cortisol
(This special issue belongs to the Section Physiology and Biochemistry)
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