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Fishes
Special Issues
Environmental Physiology of Aquatic Animals
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Environmental Physiology of Aquatic Animals

A special issue of Fishes (ISSN 2410-3888). This special issue belongs to the section "Physiology and Biochemistry".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 1248

Special Issue Editor

Dr. Weijie Mu

E-Mail Website
Guest Editor
Fish Physiology and Resource Utilization Laboratory, College of Life Science and Technology, Harbin Normal University, Harbin 150025, China
Interests: fish physiology; behavior; immunity

Special Issue Information

Dear Colleagues,

The survival and reproduction of aquatic animals are closely tied to the water environment in which they live. Factors such as the water temperature, salinity, dissolved oxygen, and pH value play a crucial role in determining the wellbeing of aquatic animals. To survive and reproduce successfully, aquatic animals must adapt to these environmental changes through physiological mechanisms. Studying the environmental physiology of aquatic animals can assist farmers in optimizing breeding conditions, enhancing efficiency, and reducing costs, ultimately promoting sustainable development in the aquaculture industry. Understanding the environmental physiological characteristics of aquatic animals is essential for comprehending their responses to environmental changes and predicting population dynamics. This Special Issue aims to highlight research on the physiological strategies of aquatic animals in adapting to various environmental conditions, along with the impacts of environmental factors on their growth, reproduction, behavior, and other physiological processes. Our findings will enhance the scientific basis for enhancing farming practices, as well as safeguarding and managing aquatic animal resources.

Dr. Weijie Mu
Guest Editor

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 100 words) can be sent to the Editorial Office for announcement on this website.

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

  • aquatic animals
  • adaptability
  • environmental response
  • physiological mechanism
  • propagation and breeding
 

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

18 pages, 3815 KiB  
Article
Living Along Distribution Margins: Differences in the Body and Biochemistry of Red Squat Lobster Morphotypes (Grimothea monodon) from the Humboldt Current System
by Marco Quispe-Machaca, Maximiliano Zilleruelo, Pepe Espinoza, Gabriela Torres and Ángel Urzúa
Fishes 2024, 9(11), 445; https://doi.org/10.3390/fishes9110445 - 31 Oct 2024
Viewed by 504
Abstract
Grimothea monodon, an important fishery resource in the Humboldt Current marine ecosystem (HCE), present two contrasting morphotypes (PM, pelagic morphotype; BM, benthic morphotype). The fishery management of G. monodon is focused on understanding only fishery aspects that apply to a limited area, [...] Read more.
Grimothea monodon, an important fishery resource in the Humboldt Current marine ecosystem (HCE), present two contrasting morphotypes (PM, pelagic morphotype; BM, benthic morphotype). The fishery management of G. monodon is focused on understanding only fishery aspects that apply to a limited area, and there are currently no studies that evaluate the nutritional status of these morphotypes. This study evaluated the biological performance of PM and BM, analyzing the body (size, CL; weight, W; condition factor, Kn) and biochemical condition (glucose, G; proteins, P; lipids, L; fatty acids, FAs). The results reveal that G. monodon showed differences in CL and W between morphotypes, with higher values in BM than PM. The Kn was different between morphotypes with a tendency of isometric growth. In turn, the G contents were higher in PM than BM, while the contents of P, L, and FAs showed an opposite tendency, with higher contents recorded in BM than PM. Our findings suggest that the Kn should be included to strengthen the biological parameters and their relationships used in fishery management models. Differences in the biochemical condition between morphotypes can be considered potentially adaptive, in response to the combined effect of environmental factors that vary in the HCE. Full article
(This article belongs to the Special Issue Environmental Physiology of Aquatic Animals)
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12 pages, 2470 KiB  
Article
Comparative Metabolomic Analysis Reveals the Impact of the Photoperiod on the Hepatopancreas of Chinese Grass Shrimp (Palaemonetes sinensis)
by Duojia Qu, Chunyan Fu, Muyu Han and Yingdong Li
Fishes 2024, 9(11), 444; https://doi.org/10.3390/fishes9110444 - 31 Oct 2024
Viewed by 452
Abstract
The photoperiod is a key environmental factor that in crustaceans influences development, feeding, and metabolism. In this study, liquid chromatography-tandem mass spectrometry was used to examine metabolic changes in Palaemonetes sinensis under different photoperiods. Our results showed that key metabolic pathways, such as [...] Read more.
The photoperiod is a key environmental factor that in crustaceans influences development, feeding, and metabolism. In this study, liquid chromatography-tandem mass spectrometry was used to examine metabolic changes in Palaemonetes sinensis under different photoperiods. Our results showed that key metabolic pathways, such as linoleic acid metabolism, axon regeneration, pyrimidine metabolism, and cortisol synthesis, were significantly altered under both constant light (24L:0D) and constant darkness (0L:24D) compared with natural light conditions. The photoperiod notably affected the digestive and metabolic functions of P. sinensis. Most metabolic pathways were downregulated under full darkness and full light conditions, suggesting that inhibition of metabolism is a potential adaptive response. Furthermore, enzyme assays revealed significant variations in trypsin, lipase, and amylase activity across different photoperiods, highlighting the profound impact of light conditions on digestive functions. These findings suggest that extreme light conditions may negatively impact the metabolic and digestive functions of P. sinensis. This study provides new insights into the adaptive mechanisms of P. sinensis in response to photoperiod changes and offers valuable information for optimizing aquaculture practices to enhance the health and growth performance of this crustacean. Full article
(This article belongs to the Special Issue Environmental Physiology of Aquatic Animals)
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