Ecophysiology for Sustainable Crustacean Aquaculture

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Aquatic Animals".

Deadline for manuscript submissions: 15 December 2026 | Viewed by 1643

Editor


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Guest Editor
School of Natural Resources, University Marist of Merida, Periférico Nte Tablaje Catastral 13941, Merida 97300, Mexico
Interests: ecophysiology of aquatic organisms; physiological stress in aquatic animals; aquatic health; aquatic organisms under environmental stressors; adaptive capacity of aquatic animals

Special Issue Information

Dear Colleagues,

Crustacean aquaculture faces increasing challenges due to environmental variability and anthropogenic stressors, requiring innovative and science-based approaches to ensure sustainability, productivity, and animal welfare. This Special Issue aims to gather contributions on the ecophysiological responses of cultured crustaceans to key stressors such as temperature shifts, salinity fluctuations, pH changes, pollutants, and hypoxia. We particularly encourage studies addressing health, welfare, and immunophysiological biomarkers that can serve as early-warning indicators of stress and disease.

Beyond organismal responses, we seek research focused on the management of water quality, the development of sustainable feeds, and the implementation of circular bioeconomy approaches that enhance climate resilience. Integrative methodologies, including omics technologies, modelling frameworks, and risk assessment tools, are especially welcome, as they provide holistic insights into the mechanisms that underpin resilience and adaptation.

By bringing together physiological, ecological, and technological perspectives, this Special Issue aspires to promote innovative strategies that support both the environmental sustainability and economic viability of crustacean aquaculture. We invite original research articles, reviews, and case studies that advance our understanding of how to build more resilient and responsible aquaculture systems in the face of global change.

  • Ecophysiological responses to environmental stressors (temperature, salinity, pH, pollutants, hypoxia).
  • Health, welfare, and immunophysiological biomarkers in cultured crustaceans.
  • Water quality management, sustainable feeds, circular bioeconomy approaches, and climate resilience.
  • Integrative approaches (omics, modelling, risk assessment) to improve sustainability and productivity.

Dr. Mariel Gullian-Klanian
Guest Editor

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Keywords

  • ecophysiology
  • environmental stressors
  • health and welfare biomarkers
  • immunophysiology
  • water quality management
  • climate resilience
  • omics and modelling approaches

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Published Papers (2 papers)

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Research

23 pages, 3890 KB  
Article
Feeding Habits of Narrow-Clawed Crayfish Pontastacus leptodactylus: Implications for Stock Enhancement and Aquaculture
by Ying Yan, Ming Li, Yanjie Tang, Xiting Chen, Haibo Jiang, Muzi Zhang, Na Li and Bin Li
Animals 2026, 16(14), 2155; https://doi.org/10.3390/ani16142155 - 11 Jul 2026
Viewed by 655
Abstract
The narrow-clawed crayfish (Pontastacus leptodactylus), a non-native species accidentally introduced into China’s Irtysh River Basin, has formed a wild population with aquaculture potential, but its natural diet and protein utilization remain poorly understood. This study investigated its feeding ecology and digestive [...] Read more.
The narrow-clawed crayfish (Pontastacus leptodactylus), a non-native species accidentally introduced into China’s Irtysh River Basin, has formed a wild population with aquaculture potential, but its natural diet and protein utilization remain poorly understood. This study investigated its feeding ecology and digestive responses to protein sources to support ecological assessment and feed formulation. Intestinal contents and muscle samples from wild crayfish were analyzed using eDNA metabarcoding and fatty acid signature analysis. In vitro digestibility of 10 protein ingredients was evaluated with crude digestive enzyme extracts, and a 4-week trial compared an all-plant-protein diet (PPD) with an all-animal-protein diet (APD). eDNA indicated an omnivorous diet dominated by planktonic taxa, especially Rotifera, and fatty acid biomarkers suggested contributions from diatoms, dinoflagellates, phytoplankton, zooplankton, and benthic organisms. Soybean meal and soy protein concentrate showed high dry matter digestibility, whereas fishmeal and krill meal had high crude protein digestibility and amino acid release. Compared with PPD, APD increased feed intake, apparent nutrient digestibility, hemolymph nutritional indicators, villus height, and intestinal trypsin and lipase activities; however, intestinal integrity was preserved in both groups, and most intestinal antioxidant indices did not differ significantly. These findings indicate that animal proteins enhance nutrient utilization in P. leptodactylus, while selected plant proteins may serve as partial alternatives. Full article
(This article belongs to the Special Issue Ecophysiology for Sustainable Crustacean Aquaculture)
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23 pages, 14708 KB  
Article
Comparative Transcriptome Analysis of the Abdominal Ganglion Reveals Molecular Networks and Key Genes Underlying Thermal Tolerance in Red Swamp Crayfish (Procambarus clarkii)
by Beiqi Yang, Yue Ma, Qiujin Wang, Yi Liu, Liang Jia and Zhiyi Bai
Animals 2026, 16(13), 1988; https://doi.org/10.3390/ani16131988 - 27 Jun 2026
Viewed by 379
Abstract
Water temperature fluctuations directly affect the feeding, reproduction, and survival of aquatic animals. Understanding the molecular networks that regulate temperature responses is therefore critical for selective breeding of thermotolerant strains. In this study, we first assessed the thermotolerant performances of two Procambarus clarkii [...] Read more.
Water temperature fluctuations directly affect the feeding, reproduction, and survival of aquatic animals. Understanding the molecular networks that regulate temperature responses is therefore critical for selective breeding of thermotolerant strains. In this study, we first assessed the thermotolerant performances of two Procambarus clarkii populations (selected and normal cultured populations) with contrasting thermal endurance capacities. Temperature stress challenges showed that the selected population exhibited great endurance capacities to both heat and cold stresses. Further comparative transcriptomic analysis showed that cold stress mainly upregulated energy metabolism genes, whereas heat stress affected oxidative stress and membrane-related genes in both populations. However, we found that immune-related pathway genes were significantly downregulated in the selected population in response to heat challenge. Furthermore, heat shock proteins (HSPs), E3 ubiquitination, and autophagy-related genes showed contrasting expression patterns between the thermotolerant and normal cultured populations, suggesting that transcriptional regulations of these signaling pathways may contribute to thermal tolerance. Collectively, these results provide a reference for breeding thermotolerant P. clarkii strains and supporting the sustainable development of the aquaculture industry. Full article
(This article belongs to the Special Issue Ecophysiology for Sustainable Crustacean Aquaculture)
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