Fishes

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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Freshwater Fishes: Taxonomic Diversity, Conservation Concerns, and Future Directions

edited by Luisa Maria Sarmento-Soares

submission deadline 30 May 2026 | Viewed by 51 | 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

edited by

Ronald Kennedy Luz

and

Bernardo Baldisserotto

submission deadline 31 May 2026 | 4 articles | Viewed by 2994 | 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

Cristina Andolina

submission deadline 31 May 2026 | Viewed by 185 | 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

Yaopeng Lu

and Ping Wu

submission deadline 31 May 2026 | Viewed by 36 | Submission Open

Keywords: aquatic animal nutrition; feed additive; immunity; nutritional physiology; disease resistance

(This special issue belongs to the Section Nutrition and Feeding)

Life in Layers: Age and Growth of Fishes

edited by Antonela Sovulj and

Branko Dragičević

submission deadline 10 Jun 2026 | Viewed by 20 | Submission Open

Keywords: fish growth; age determination; growth modeling; life-history traits; fisheries management; environmental drivers; anthropogenic impacts

(This special issue belongs to the Section Biology and Ecology)

Recent Advances in Nutrition and Metabolic Regulation of Fish

edited by

Hongyan Li

, Yulong Gong and Wenjie Xu

submission deadline 20 Jun 2026 | 1 articles | Viewed by 906 | Submission Open

Keywords: fish nutrition; metabolic adaptation; functional feed additives; novel feed ingredients

(This special issue belongs to the Section Nutrition and Feeding)

Functional Gene Analysis and Genomic Technologies in Aquatic Animals

edited by

Hailiang Song

submission deadline 30 Jun 2026 | Viewed by 93 | 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)

Metabolomics in Marine Invertebrate Aquaculture

edited by

Zhaoshou Ran

and

Fei Kong

submission deadline 10 Jul 2026 | Viewed by 5 | Submission Open

Keywords: metabolomics; marine invertebrates; aquaculture; physiological response; stress adaptation; nutritional metabolism; biomarker discovery; omics integration

(This special issue belongs to the Section Genetics and Biotechnology)

Feeding the Future: Diet Data and Ecosystem Perspectives on Fish Food Webs

edited by Letterio Guglielmo,

Pierluigi Carbonara

and

Antonia Granata

submission deadline 20 Jul 2026 | Viewed by 59 | Submission Open

Keywords: fish food webs; diet analysis; DNA metabarcoding; stable isotopes; fatty acids; trophic networks; ecosystem approach; FAIR data; trophic position; feeding ecology

(This special issue belongs to the Section Biology and Ecology)

Recent Advances in Fish Nutrition

edited by Sang-Min Lee,

Buddhi E. Gunathilaka

and

Pabodha Weththasinghe

submission deadline 25 Jul 2026 | Viewed by 954 | Submission Open

Keywords: alternative protein sources; alternative lipid sources; feed additives; vitamins; amino acids; fatty acids; nutrient requirements; functional feed additives; nutrient absorption

Modeling Approach for Fish Stock Assessment

edited by Margarita M. Rincón Hidalgo and

Heng Zhang

submission deadline 31 Jul 2026 | 2 articles | Viewed by 1649 | Submission Open

Keywords: fish; stock assessment; modeling

(This special issue belongs to the Section Biology and Ecology)

Trends and Advances in Seafood Quality: Processing, Preservation and Safety Processes to Guarantee Food Value—2nd Edition

edited by

Filipa R. Pinto

Sónia Barroso

and Verónica Felício

submission deadline 31 Jul 2026 | Viewed by 95 | Submission Open

Keywords: seafood quality; seafood preservation; shelf-life extension; processing technologies; sustainable fisheries and aquaculture; seafood composition; marine bioactive compounds; cold chain management; traceability systems; new food products.

(This special issue belongs to the Section Processing and Comprehensive Utilization of Fishery Products)

Immunology, Environment, and Nutrition of Aquatic Animals

edited by

Quanquan Cao

submission deadline 10 Sep 2026 | Viewed by 49 | Submission Open

Keywords: immunology; environment; nutrition; aquatic animals; signal regulation

(This special issue belongs to the Section Nutrition and Feeding)

Toxic Effects of Microplastics on Aquatic Animals

edited by

Nina Marn

and

Vlatka Filipović Marijić

submission deadline 15 Sep 2026 | Viewed by 58 | 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)

Application of Otoliths in Fish Ecology and Fisheries

edited by

Alberto Teodorico Correia

Wann-Nian Tzeng

and

Esteban Avigliano

submission deadline 31 Dec 2026 | Viewed by 168 | Submission Open

Keywords: fish otoliths; fish biology and ecology; fisheries science; stock structure; population connectivity; migration pathways; aquatic pollution

(This special issue belongs to the Section Biology and Ecology)

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