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Aquaculture, Fisheries, Ecology and Environment

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water, Agriculture and Aquaculture".

Deadline for manuscript submissions: 31 July 2025 | Viewed by 1323

Special Issue Editors

Prof. Dr. Ta-Jen Chu

E-Mail Website
Guest Editor
Fisheries College, Jimei University, Xiamen 361021, China
Interests: fisheries management; fishery policy; resource assessment; ecological modeling; coastal ecology and environment
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Wen-Shu Huang

E-Mail Website
Guest Editor
Fisheries College, Jimei University, Xiamen, China
Interests: marine fishery; aquatic animal immunization; disease control
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Tian-Sheng Chen

E-Mail Website
Guest Editor
Fisheries College, Jimei University, Xiamen 361021, China
Interests: marine fishery; molecular breeding; sex determination; functional genomic; fish developmental genetic

Special Issue Information

Dear Colleagues,

Global demand for aquaculture and fishery products, as well as ecological and environmental sustainability, is driving the adoption of new technologies and processes in aquaculture and fisheries. Innovation and automation in aquaculture and fishery methods, increased productivity, enhanced environmental sustainability, and improved fish product quality are driving the industry's growth. As a result, a wealth of academic research continues, including advances in recirculating aquaculture systems, smart farming technologies, fish genetics and selective breeding, and more.

In order to take into account climate change and its impact on fishery resources, identifying and adopting sustainable management measures for fish populations have become global priorities. These academic studies primarily concern the economic (and/or ecological) importance of each species. Assessments are based on available data, the best available methods, and/or biological knowledge about the species under consideration. Interest in multispecies and multitrophic models has grown significantly in recent years, particularly with the increasing importance of assessing the health of different ecosystems.

In this context, it is necessary for this Special Issue to link multispecies fishery management models, trophic relationships of species, and ecosystem responses to aquaculture and fishing pressures, starting from the identification of aquaculture, fishery, ecological, and environmental conditions. This era also produced extraordinary collaborations among farmers, ecologists, environmental scientists, engineers, government officials, and non-government officials.

Prof. Dr. Ta-Jen Chu
Prof. Dr. Wen-Shu Huang
Prof. Dr. Tian-Sheng Chen
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 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. Water is an international peer-reviewed open access semimonthly 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

  • aquaculture innovation
  • aquaculture systems and environments
  • biology for aquaculture
  • aquatic genetics and breeding
  • coastal cage farms
  • aquatic animal nutrition and feed
  • resource assessment and sustainable management
  • smart aquaculture
  • smart fisheries
  • sustainable water environment

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

Published Papers (3 papers)

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Research

21 pages, 11640 KiB  
Article
Biofouling Community Dynamics on Nylon and Polyethylene Aquaculture Nets in the North Yellow Sea: Colonization Patterns and Mytilus edulis Mechanical Properties
by Sai He, Qingsong Xue, Zhixuan Fu, Lei Bao, Kuo Li, Guochen Zhang, Hanbing Zhang and Tianlong Qiu
Water 2025, 17(9), 1250; https://doi.org/10.3390/w17091250 - 23 Apr 2025
Abstract
A hanging net test was conducted from May to November 2022 on Takifugu rubripes culture nets at Wang Jia Island in the North Yellow Sea, China. The study identified 21 species of fouling organisms, with Mytilus edulis emerging as the dominant fouling organism [...] Read more.
A hanging net test was conducted from May to November 2022 on Takifugu rubripes culture nets at Wang Jia Island in the North Yellow Sea, China. The study identified 21 species of fouling organisms, with Mytilus edulis emerging as the dominant fouling organism colonizing aquaculture net cages. Coverage rates varied temporally, with water depth, and by net material, exhibiting a unimodal pattern that peaked between June and October (38.46–98.45%). At different depths, the coverage rates were highest at −0.5 m (75.14% to 98.65%). Additionally, nets made of nylon (29.41% to 98.65%) had an average coverage rate 8.2% higher than those made of PE mesh (26.34% to 90.45%). To assess the growth and mechanical properties of M. edulis, we analyzed its morphological relationships. A strong positive linear correlation was observed between shell length, width, and thickness, while body weight followed a power function relationship with shell dimensions. Growth curve analysis indicated that M. edulis reached maturity in late August. Compression tests revealed a defined yield point, with crack propagation varying by force direction. The maximum compressive force occurred in the thickness direction (195.95 N), with resistance increasing progressively from length to width to thickness. These findings elucidate biofouling dynamics on aquaculture nets and support the development of improved antifouling technologies. Full article
(This article belongs to the Special Issue Aquaculture, Fisheries, Ecology and Environment)
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17 pages, 3101 KiB  
Article
Morphometric Diversity and Population Structure of the Crucifix Crab (Charybdis feriatus) in East Asian Recreational Fisheries
by Wei-Chieh Kao, Chun-Han Shih, Yu-Chi Sung, Po-Cheng Chen, Yu-Ming Lu, Yu-San Han and Tzong-Der Tzeng
Water 2025, 17(5), 688; https://doi.org/10.3390/w17050688 - 27 Feb 2025
Viewed by 367
Abstract
This study delves into the fascinating morphological diversity and population groups of the Crucifix crab (Charybdis feriatus), a species steeped in the cultural and spiritual significance of recreational fisheries across East and Southeast Asia. It is known in the West as [...] Read more.
This study delves into the fascinating morphological diversity and population groups of the Crucifix crab (Charybdis feriatus), a species steeped in the cultural and spiritual significance of recreational fisheries across East and Southeast Asia. It is known in the West as the “Crucifix crab” due to the distinct cross pattern on its shell. In this research, we collected 759 specimens from seven estuarine locations: Kyushu (Japan), Shanghai, Xiamen, Hong Kong (China), Yilan, Kaohsiung (Taiwan), and Singapore. Using advanced statistical methods, including canonical variate analysis (CVA) and hierarchical clustering, we identified three distinct population groups: the Northeast Asian group (NAG), the Kuroshio tributary group (KTG), and the Southeast Asian group (SAG). Significant morphological differences were found between these populations, suggesting that the crab’s adaptation to varying sea environments is as unique as its symbolic cross-shaped marking. The canonical variate analysis revealed that the first two eigenvalues explained 88% of the total variance (61% and 27%, respectively) in females and 80% in males (62% and 18%, respectively). The key morphometric traits CP1 (frontal teeth) and CP4 (posterior margin) showed the highest variability (correlation coefficients ranging from 0.76 to 0.82, p < 0.001). Interestingly, the traits CP1 (frontal teeth) and CP4 (posterior margin) emerged as key drivers of allometric growth variation, further enriching our understanding of this species. Full article
(This article belongs to the Special Issue Aquaculture, Fisheries, Ecology and Environment)
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15 pages, 1634 KiB  
Article
Morphological Difference Analysis of Triplophysa strauchii from Different Geographical Populations in Xinjiang, China
by Zhengwei Wang, Shixin Gao, Syeda Maira Hamid, Qing Xiao, Wentao Zhu, Zhulan Nie and Jie Wei
Water 2025, 17(4), 467; https://doi.org/10.3390/w17040467 - 7 Feb 2025
Cited by 1 | Viewed by 706
Abstract
Spotted stone loach (Triplophysa strauchii), a common fish species in Xinjiang, China, is ecologically pivotal within the local ecosystem; regrettably, human-induced factors like habitat destruction, pollution, and overfishing have gravely imperiled its survival, and compounding this is the dearth of research [...] Read more.
Spotted stone loach (Triplophysa strauchii), a common fish species in Xinjiang, China, is ecologically pivotal within the local ecosystem; regrettably, human-induced factors like habitat destruction, pollution, and overfishing have gravely imperiled its survival, and compounding this is the dearth of research on the morphological disparities among its geographically diverse populations. Thus, between April and October 2024, 198 specimens were procured from Sayram Lake, Khamusigou Reservoir, and Chaiwopu Lake using cage traps and gillnets; post-collection, an array of morphological metrics were meticulously measured, and then statistical methods such as one-way analysis of variance (ANOVA), principal component analysis (PCA), stepwise discriminant analysis, and cluster analysis were employed for comprehensive data interrogation. Findings show that, across all sampled populations, the mean values of the total length (X1), body length (X2), body height (X3), and body width (X4) of the Chaiwopu Lake population are significantly lower than those of the Sayram Lake population and the Khamusigou Reservoir population; except for head length, the Khamusigou Reservoir population has lower variability in other morphological traits compared to the others. Moreover, significant divergences were detected in multiple trait ratios among the populations; PCA yielded five principal components, cumulatively accounting for 77.45% of the total variance, spotlighting the key ratios; discriminant analysis further validated highly significant morphological distinctions (p < 0.01), with the Khamusigou Reservoir population having the highest discriminant accuracy; cluster analysis graphically showed the Sayram Lake and Chaiwopu Lake populations clustering together while the Khamusigou Reservoir population formed a separate cluster; and the Chaiwopu Lake population had the most pronounced divergence in morphological traits. This research not only provides novel perspectives on the adaptive evolutionary mechanisms of T. strauchii but also serves as a cornerstone for formulating evidence-based conservation and management strategies for this species. Full article
(This article belongs to the Special Issue Aquaculture, Fisheries, Ecology and Environment)
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