Influences of Environmental Change on Fishes and Fisheries

A special issue of Fishes (ISSN 2410-3888). This special issue belongs to the section "Environment and Climate Change".

Deadline for manuscript submissions: 15 August 2026 | Viewed by 1333

Special Issue Editors


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Guest Editor
Work Group Fish Growth Physiology, Research Institute for Farm Animal Biology, 18196 Dummerstorf, Germany
Interests: 3R principles in fish research; cellular stress; physiological adaptation; larval growth; fish cell cultures

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Guest Editor
Work Group Fish Genetics, Research Institute for Farm Animal Biology, 18196 Dummerstorf, Germany
Interests: fish immunology; stress physiology; transcriptomics; gene expression; innate immunity

Special Issue Information

Dear Colleagues,

This special issue focuses on the consequences of environmental changes for physiological, developmental and genetic stress responses, as well as adaptation processes, at the individual and population levels in fish. Aquatic habitats are already experiencing rapid and profound climate-related changes due to rising water temperatures, more frequent heat waves, hypoxia, ocean acidification, altered salinity levels and changes in food availability. These conditions expose fish at all life stages to complex and mutually influencing stressors. This issue aims to provide an integrative framework for understanding how these stressors influence fish biology from the molecular level to populations.

The overall focus is on understanding how fish experience climate-related environmental changes and how they respond and adapt to these challenges. This includes studying how changes in temperature, oxygen levels, or water chemistry affect basic body functions such as stress responses, metabolism, immune health, and energy use. The issue also addresses how exposure to environmental stress during early life stages can influence growth, development, and performance later in life. In addition, it considers variations among individuals and populations, exploring how genetic background and inherited traits contribute to stress tolerance and the ability of fish populations to adapt to changing environmental conditions over time.

The purpose of this special issue is to improve predictions of the resilience or vulnerability of fish species and populations under current and future climate change. By explicitly linking responses at the individual level with outcomes at the population level, this issue aims to improve our understanding of the adaptability, limits of plasticity, and evolutionary responses of fish thereby providing valuable insights for conservation, fisheries management, and sustainable aquaculture.

Dr. Bianka Grunow
Dr. Alexander Rebl
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Fishes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • climate change
  • fish physiology
  • environmental stress
  • adaptation and resilience
  • developmental plasticity
  • genetic variation
  • population responses
  • fisheries management

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Published Papers (1 paper)

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Review

32 pages, 1669 KB  
Review
Adaptation Mechanisms of Aquatic Animals to Saline–Alkaline Water Aquaculture: Physiological, Energetic and Molecular Perspectives
by Yingsha Qu, Huichen Li, Bo Zhang, Hongwu Cui, Jianlei Chen, Yong Xu, Zhengguo Cui, Keming Qu and Hao Li
Fishes 2026, 11(4), 202; https://doi.org/10.3390/fishes11040202 - 27 Mar 2026
Viewed by 1041
Abstract
Saline–alkaline water constitutes a vital strategic non-traditional fishery resource in China, characterized by high pH values, elevated carbonate alkalinity, and complex ionic compositions. These extreme environmental conditions impose significant stress on aquatic animals, mainly by inducing ionic toxicity and disrupting acid–base regulatory mechanisms. [...] Read more.
Saline–alkaline water constitutes a vital strategic non-traditional fishery resource in China, characterized by high pH values, elevated carbonate alkalinity, and complex ionic compositions. These extreme environmental conditions impose significant stress on aquatic animals, mainly by inducing ionic toxicity and disrupting acid–base regulatory mechanisms. Such disruptions subsequently lead to osmotic imbalance, metabolic dysregulation, and immunosuppression, thus restricting the survival and growth of aquatic species in aquaculture systems. Consequently, the sustainable development of the saline–alkaline aquaculture is imperative for enhancing production efficiency and promoting the utilization of marginal land and water resources. This review comprehensively summarizes the current status of saline–alkaline aquaculture and highlights the stress-inducing impacts of salinity, alkalinity, and specific ionic ratios on teleost fishes and crustaceans. It further explores key adaptive mechanisms, including osmoregulatory and ionoregulatory strategies, bioenergetic trade-offs related to oxygen consumption and ammonia excretion, coordinated antioxidant and innate immune responses, as well as recent findings from multi-omics research. This review aims to offer a scientific foundation for the selection and breeding of saline–alkaline-tolerant strains, the precise regulation of aquaculture water environments, and the development of ecological aquaculture models in saline–alkaline regions, thereby facilitating the sustainable utilization of saline–alkaline land and water resources. Full article
(This article belongs to the Special Issue Influences of Environmental Change on Fishes and Fisheries)
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