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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Intestinal Health of Aquatic Organisms
edited by Mao Lin, and
submission deadline 30 Aug 2025 | 1 articles | Viewed by 442 | 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)
Biology and Conservation of Elasmobranchs
edited by María-Del-Pilar Blanco-Parra and Carlos J. Polo-Silva
submission deadline 30 Aug 2025 | Viewed by 184 | Submission Open
Keywords: sharks; rays; ecological role; movements; distribution; ecological niche; conservation
(This special issue belongs to the Section Biology and Ecology)
Physiological Response Mechanisms of Aquatic Animals to Stress
edited by , Yanming Sui, and
submission deadline 31 Aug 2025 | 7 articles | Viewed by 9779 | Submission Open
Keywords: environmental stress; pollutants; pathogen infection; physiology; biochemistry; immunology; metabolism; intestinal microbes; omics
(This special issue belongs to the Section Physiology and Biochemistry)
Movement and Conservation of Large Marine Fauna
edited by André Sucena Afonso and Bruno Macena
submission deadline 31 Aug 2025 | 2 articles | Viewed by 2147 | Submission Open
Keywords: anthropogenic pressure; habitat use; home range; marine megafauna; marine protected areas; migrations; movements; philopatry; spatial ecology; site fidelity
(This special issue belongs to the Section Biology and Ecology)
Intelligent Recognition Research for Fish Behavior
edited by Jian Zhao, and Kewei Cai
submission deadline 31 Aug 2025 | 1 articles | Viewed by 1972 | Submission Open
Keywords: fish behavior; aquatic ecosystems; fishery resources; aquaculture; intelligent recognition; fish welfare
Machine Learning in Aquaculture
edited by Adriano Costa, Rilke Tadeu Fonseca De Freitas and Rafael Reis Neto
submission deadline 31 Aug 2025 | Viewed by 245 | Submission Open
Keywords: neural networks; precision aquaculture; management automation; detection algorithms; fish species; artificial intelligence
(This special issue belongs to the Section Fishery Facilities, Equipment, and Information Technology)
Molecular Mechanisms of Fish Sex Differentiation and Sexual Plasticity
edited by Linyan Zhou, , and
submission deadline 31 Aug 2025 | Viewed by 170 | Submission Open
Keywords: fish sex determination and differentiation genetics and epigenetics; hermaphrodites and sex reversal; environmental factors and sexual plasticity; sexual control breeding and biotechnology
(This special issue belongs to the Section Genetics and Biotechnology)
Genetic Mechanism and Genetic Selection of Economic Traits in Aquatic Animals
edited by Ming Fang
submission deadline 31 Aug 2025 | Viewed by 166 | Submission Open
Keywords: GWAS; functional gene; gene expression; epigenetics; genomic selection; eQTL
(This special issue belongs to the Section Genetics and Biotechnology)
Pivotal Roles of Feed Additives for Fish
edited by Marco Shizuo Owatari
submission deadline 10 Sep 2025 | 2 articles | Viewed by 3346 | 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)
Stress Physiology in Aquatic Animals
edited by Mingzhe Yuan and Maoxiao Peng
submission deadline 10 Sep 2025 | 2 articles | Viewed by 1481 | Submission Open
Keywords: stress; aquatic animals; physiological and molecular response; environmental adaptation; omics analyses; neuroendocrine regulations; short-term and long-term stress
(This special issue belongs to the Section Physiology and Biochemistry)
Effects of Climate Change on Marine Fisheries
edited by Salvador E. Lluch Cota and William Cheung
submission deadline 10 Sep 2025 | 2 articles | Viewed by 1178 | Submission Open
Keywords: climate change; climate extremes; ecophysiology; marine ecosystems; fisheries management; fishing sector; climate adaptation; detection and attribution; modeling; projections
(This special issue belongs to the Section Environment and Climate Change)
Seafood Products: Nutrients, Safety, and Sustainability
edited by Giustino Tribuzi and Marília Miotto
submission deadline 14 Sep 2025 | Viewed by 100 | 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)
Molecular Design Breeding in Aquaculture
edited by Peng Yu, Shuting Xiong and ChunHong Nie
submission deadline 15 Sep 2025 | 1 articles | Viewed by 993 | Submission Open
Keywords: molecular breeding; gene edting; sex control; transgenosis; molecular marker
(This special issue belongs to the Section Genetics and Biotechnology)
Fishing Gear Technology and Conservation of Fishery Resources
edited by Kristine Cerbule
submission deadline 15 Sep 2025 | 2 articles | Viewed by 977 | Submission Open
Keywords: fishing gear; fisheries; environmental sustainability; species diversity; nature conservation
(This special issue belongs to the Section Fishery Facilities, Equipment, and Information Technology)
Infection and Detection of Bacterial Pathogens in Aquaculture
edited by Asma M. Karami and
submission deadline 18 Sep 2025 | Viewed by 49 | 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)
Biodiversity and Spatial Distribution of Fishes, Second Edition
edited by , Ying Xue and Luoliang Xu
submission deadline 20 Sep 2025 | 3 articles | Viewed by 2959 | 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)
Skeletal Development of Fishes: Using New Technologies to Study Bone Biology
edited by and Kevin J. Parsons
submission deadline 20 Sep 2025 | 1 articles | Viewed by 521 | Submission Open
Keywords: bone biology; fish skeleton; skeletal development; skeletal diseases; anatomy; histology; morphology; finfish species
Healthy Aquaculture and Disease Control
edited by Yucong Huang, Xiaohui Cai and Kian Ann Tan
submission deadline 25 Sep 2025 | Viewed by 132 | Submission Open
Keywords: healthy aquaculture; aquatic probiotics; plant extract; immunomodulator; vaccine
(This special issue belongs to the Section Sustainable Aquaculture)
Dietary Supplementation in Aquaculture submission deadline 27 Sep 2025 | 1 articles | Viewed by 406 | Submission Open
Keywords: nutrition; physiology; feed additives; nutrients; biochemistry; immunity
(This special issue belongs to the Section Nutrition and Feeding)
Movement Ecology and Conservation of Large Marine Fishes (and Sharks)
edited by Chi-Hin Lam
submission deadline 30 Sep 2025 | 1 articles | Viewed by 1034 | 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)
Advances in Pathology of Aquatic Animals
edited by Maria Cristina Chávez-Sánchez
submission deadline 30 Sep 2025 | 1 articles | Viewed by 931 | 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 Comprehensive Exploration and Utilization of Aquatic Products
edited by Yunfang Qian and
submission deadline 30 Sep 2025 | 1 articles | Viewed by 421 | Submission Open
Keywords: new aquatic resources; processing and preservation; nutritional evaluation; functional components analysis
(This special issue belongs to the Section Processing and Comprehensive Utilization of Fishery Products)
Integrative Taxonomy and Molecular Systematics of Fishes
edited by , Pedro Henrique Negreiros de Bragança, Elisabeth Henschel and Grazielle Fernanda Evangelista Gomes
submission deadline 30 Sep 2025 | Viewed by 303 | Submission Open
Keywords: ABGD; ASAP; barcode; COI; eDNA; NGS; multi-locus; single-locus; species delimitation; bPTP; mPTP; GMYC
(This special issue belongs to the Section Taxonomy, Evolution, and Biogeography)
Age Determination of Aquatic Animals
edited by Raouf W. Kilada
submission deadline 30 Sep 2025 | Viewed by 248 | Submission Open
Keywords: age; validation; growth; shells; cephalopod; echinoderms; crustaceans; fish
Genomics Applied to Fish Health
edited by
submission deadline 30 Sep 2025 | Viewed by 117 | 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)
Sustainable Management of Small-Scale and Data-Limited Fisheries: Diagnosis and Strategies submission deadline 30 Sep 2025 | Viewed by 99 | Submission Open
Keywords: data-limited fisheries; fishery management; management measures; monitoring programs; small-scale fisheries; stock assessment; sustainability
Advances in Rainbow Trout: 2nd Edition
edited by
submission deadline 30 Sep 2025 | Viewed by 57 | Submission Open
Keywords: rainbow trout; genetics; aquaculture technique; disease resistance; environmental adaptability; nutritional requirements; sustainable practices; ecological impact; genetic engineering; conservation strategies; aquatic ecosystems
The Ecology of Reef Fishes
edited by , Fabiana Cézar Félix-Hackradt and
submission deadline 30 Sep 2025 | Viewed by 38 | Submission Open
Keywords: coral reef fish ecology; anthropogenic impacts; functional ecology; population dynamics; community structure; movement ecology; genetic diversity; reef fish conservation
Genomics of Stress Responses in Fish submission deadline 1 Oct 2025 | Viewed by 46 | Submission Open
Keywords: genomics; transcriptomics; bioinformatics; fish stress response; fish toxicology; fish physiology
(This special issue belongs to the Section Physiology and Biochemistry)
Fisheries Monitoring and Management
edited by
submission deadline 15 Oct 2025 | 1 articles | Viewed by 1035 | Submission Open
Keywords: remote sensing; fishery resources; assessment; statistical analysis; numerical simulation
(This special issue belongs to the Section Fishery Facilities, Equipment, and Information Technology)
Community Ecology of Freshwater Animals and Biodiversity submission deadline 15 Oct 2025 | Viewed by 57 | Submission Open
Keywords: freshwater fish; biodiversity; community ecology; freshwater habitats; conservation; ecological interactions; environmental management; fish behaviour
(This special issue belongs to the Section Biology and Ecology)
Molecular Mechanism of Fish Immune Response to Pathogens
edited by
submission deadline 17 Oct 2025 | Viewed by 62 | Submission Open
Keywords: fish; immune response; pathogens; omics; molecular mechanism
(This special issue belongs to the Section Fish Pathology and Parasitology)
Impacts of Functional Additives on Fish Metabolism and Reproduction
edited by Fábio Meurer and Robie Allan Bombardelli
submission deadline 18 Oct 2025 | Viewed by 78 | Submission Open
Keywords: additives; aquaculture; fish metabolism; fish nutrition; fish reproduction
(This special issue belongs to the Section Nutrition and Feeding)
Toxicology of Anthropogenic Pollutants on Fish
edited by
submission deadline 20 Oct 2025 | 2 articles | Viewed by 1727 | 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)
Salmon Farming
edited by Jose Luis Muñoz and
submission deadline 20 Oct 2025 | Viewed by 110 | 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)
Mapping and Monitoring Aquatic Biodiversity in Hotspot Habitat Areas Using Environmental DNA (eDNA)
edited by , and Xiuhui Ma
submission deadline 31 Oct 2025 | 4 articles | Viewed by 2952 | Submission Open
Keywords: eDNA; aquatic biodiversity; fish diversity; community structure; diversity patterns; habitat destruction
(This special issue belongs to the Section Biology and Ecology)
Therapeutic Potential of Probiotics, Prebiotics, and Synbiotics in Advancing Aquaculture Health and Performance
edited by , and Ehab El-Haroun
submission deadline 31 Oct 2025 | 1 articles | Viewed by 2181 | Submission Open
Keywords: probiotics; prebiotics; synbiotics; aquaculture health; disease resistance; sustainable aquaculture; functional feeds
Use of Essential Oils in Aquaculture submission deadline 31 Oct 2025 | Viewed by 226 | Submission Open
Keywords: welfare; safe management; transportation; growth; anesthetic; stress
(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 and Ivan Špelić
submission deadline 31 Oct 2025 | Viewed by 131 | Submission Open
Keywords: sustainable aquaculture; aquaculture developments; freshwater aquaculture; sustainable inland fisheries; aquatic invasive species
Unraveling the Complexities of Fish Reproductive Physiology: From Molecules to Ecosystems
edited by
submission deadline 31 Oct 2025 | Viewed by 90 | Submission Open
Keywords: reproduction; aquaculture; ecology; biotechnology; endocrinology; gonads; sex; spermatogenesis; oogenesis; gamete quality
Toxicological Impacts of Pesticides on Aquatic Species: Mechanisms, Assessments, and Mitigation Strategies
edited by Yuhang Hong, , Xiaozhen Yang, Liulan Zhao, Xiaowen Long and
submission deadline 31 Oct 2025 | Viewed by 74 | Submission Open
Keywords: pesticides; aquatic toxicology; oxidative stress; antioxidative signaling pathways; functional diet; natural antioxidants
Habitat as a Template for Life Histories of Fish
edited by
submission deadline 1 Nov 2025 | Viewed by 69 | 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)
The Roles of Fishery Biology and Fish Population Dynamics in Fisheries Management submission deadline 10 Nov 2025 | 6 articles | Viewed by 4913 | 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)
Germplasm Resources and Genetic Breeding of Fish
edited by and
submission deadline 15 Nov 2025 | Viewed by 35 | Submission Open
Keywords: genome evolution; omics analysis; QTLs; gene editing; functional gene; germplasm preservation and utilization
(This special issue belongs to the Section Genetics and Biotechnology)
Genetics and Breeding of Fishes
edited by Wuhui Li
submission deadline 15 Nov 2025 | Viewed by 29 | Submission Open
Keywords: fish breeding techniques; reproduction; genetics and genomics; sustainable aquaculture
(This special issue belongs to the Section Genetics and Biotechnology)
Aquatic Animal Diseases and Vaccine Development
edited by Aijun Lv
submission deadline 20 Nov 2025 | Viewed by 16 | Submission Open
Keywords: aquatic animal diseases; etiology; epidemiology; host immune response; vaccine; prevention and control
(This special issue belongs to the Section Welfare, Health and Disease)
Diet and Intestinal Microbiota of Fish
edited by Qianwen Ding, and Tsegay Teame
submission deadline 20 Nov 2025 | Viewed by 12 | Submission Open
Keywords: fish gut microbiota; dietary modulation; host-microbe interaction; probiotics; aquaculture sustainability; microbial biomarkers; metagenomics; antibiotic resistance
(This special issue belongs to the Section Nutrition and Feeding)
Advances in Immunology of Invertebrates
edited by Michel Leclerc
submission deadline 20 Nov 2025 | Viewed by 8 | Submission Open
Keywords: lymphocyte-like cells; innate immune responses; adaptative immune responses; genomic data concerning mainly immune responses
(This special issue belongs to the Section Aquatic Invertebrates)
Vantage Points in the Morphology of Aquatic Organisms
edited by Peter S. Johnston
submission deadline 5 Dec 2025 | Viewed by 42 | Submission Open
Keywords: morphology; palaeontology; aquatic; vertebrate; invertebrate; fish; cetacean
(This special issue belongs to the Section Biology and Ecology)
Prebiotics, Probiotics, and Symbiotics in Fish and Shellfish Nutrition and Feed Technology
edited by
submission deadline 10 Dec 2025 | Viewed by 362 | Submission Open
Keywords: prebiotics; probiotics; synbiotics; functional feed; fish and shellfish health; fish and shellfish quality
(This special issue belongs to the Section Nutrition and Feeding)
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