Marine & Freshwater Biology

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Article Geosciences, Multidisciplinary

The effect of climate oscillations on skipjack tuna (Katsuwonus pelamis) in the Indian Ocean

Shigang Liu, Liyan Zhang, Rui Wang, Puqing Song, Xing Miao, Hai Li, Yuan Li, Longshan Lin

Summary: Skipjack tuna is one of the most commercially important marine fish species, and its stocks in the Indian Ocean are potentially significantly affected by climate oscillations. This study investigated the relationship between climatic indices and skipjack tuna catch per unit effort (CPUE), and established a predictive model to optimize the utilization of this species in the Indian Ocean.

JOURNAL OF MARINE SYSTEMS (2024)

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Article Geosciences, Multidisciplinary

Impact assessment of Cyclone Yaas on the mangrove forest area in the Bhitarkanika National Park (India)

Manoranjan Mishra, Tamoghna Acharyya, Bijay Halder, Celso Augusto Guimara Santos, Richarde Marques da Silva, Nihar Ranjan Rout, Debdeep Bhattacharyya

Summary: This study comprehensively analyzes the impacts of Tropical Cyclone Yaas on the mangrove forest in Bhitarkanika National Park, revealing significant ecosystem loss and changes in vegetation vigor and soil conditions, particularly an increase in salinity.

JOURNAL OF MARINE SYSTEMS (2024)

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Article Geosciences, Multidisciplinary

Exploring fishing impacts on the structure and functioning of the Yellow Sea ecosystem using an individual-based modeling approach

Runlong Sun, Peng Sun, Haiqing Yu, Peilong Ju, Shuyang Ma, Zhenlin Liang, Mikko Heino, Yunne-Jai Shin, Nicolas Barrier, Yongjun Tian

Summary: The Yellow Sea has experienced overfishing, leading to changes in the community structure. The development of a multi-species OSMOSE model allowed researchers to simulate different fishing scenarios and observe the impact of fishing pressure on the Yellow Sea ecosystem. Long-term fishing pressure resulted in a decline in biomass, body sizes, and longevity of modeled species. The study suggests that reducing fishing pressure can help restore the ecosystem and increase the proportion of elder and larger individuals.

JOURNAL OF MARINE SYSTEMS (2024)

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Article Geosciences, Multidisciplinary

Multiple island effects shape oceanographic processes and zooplankton size spectra off an oceanic archipelago in the Tropical Atlantic

Simone M. A. Lira, Ralf Schwamborn, Mauro de Melo Junior, Humberto L. Varona, Syumara Queiroz, Doris Veleda, Alef J. Silva, Sigrid Neumann-Leitao, Moacyr Araujo, Catarina R. Marcolin

Summary: In this study, CTD and ADCP data, as well as zooplankton samples from Fernando de Noronha Archipelago, were used to analyze the relationship between flow, island topography, chlorophyll-a fluorescence, and zooplankton abundance. The study found the presence of island and larval island effects downstream, and an upstream island effect upstream.

JOURNAL OF MARINE SYSTEMS (2024)

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Article Geosciences, Multidisciplinary

Interannual variability in otolith biogeochemical signatures of Japanese Spanish mackerel in the Yellow Sea

Xindong Pan, Zhenjiang Ye, Jia Wo, Qingwang Xing, Jian Yang, Yong Chen, Yongjun Tian

Summary: This study focuses on the otolith biogeochemical signatures of Japanese Spanish mackerel in the Yellow Sea. The results show that these signatures can be used as natural tags to understand the interannual variability in migration of marine fish species.

JOURNAL OF MARINE SYSTEMS (2024)

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Article Geosciences, Multidisciplinary

Asynchronous contributions of decapod life history stages to the zooplankton of tropical estuarine, coastal and shelf ecosystems- new insights from semi-automatic image analysis

Denise Fabiana de Moraes Costa Schwamborn, Catarina R. Marcolin, Nathalia Lins-Silva, Alexandre Oliveira de Almeida, Ralf Schwamborn

Summary: The present study aimed to quantify the contributions of decapod crustaceans to the zooplankton in coastal tropical ecosystems and found that decapods were the second most important organisms, after copepods, in abundance, biomass, and biovolume. Crabs and shrimps were the most relevant decapod taxa in these ecosystems.

JOURNAL OF MARINE SYSTEMS (2024)

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Article Fisheries

Integrative transcriptomics and metabolomics analysis of body color formation in the common carp

Li Bijun, Chen Lin, Yan Mengzhen, Jiang Zhou, Xue Yaguo, Xu Peng

Summary: The coloration of aquatic animals affects their adaptability to their environment and economic values. This study investigated the different components and molecular mechanisms of red and brown skin colors in common carp using LC-MS and transcript analysis. The results revealed the importance of retinol and carotenoid metabolism in the formation of body color in common carp, providing insights into the mechanism of color determination in this species.

AQUACULTURE (2024)

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Article Fisheries

Docosahexaenoic acid (DHA) promotes grass carp (Ctenopharyngodon idella) muscle fiber development by activating MEK/ERK pathway in vitro and in vivo

Shanghong Ji, Handong Li, Xiaocheng Huang, Jian Sun, Gen Kaneko, Hong Ji

Summary: This study found that DHA promotes the development of grass carp muscle fibers, contributing to muscle growth and cell proliferation, and acts through the activation of the MEK/ERK pathway.

AQUACULTURE (2024)

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Article Fisheries

Intermittent hypoxia promotes largemouth bassheart adaptation through increasing angiogenesis, reprogramming calcium signaling, and upregulating mitochondrial turnover

Liulan Zhao, Dongmei Zhang, Kuo He, Yifan Hu, Hao Liu, Haoxiao Yan, Qiao Liu, Lisen Li, Taiming Yan, Yan Wang, Rabia Tahir, Wei Luo, Jie Luo, Song Yang

Summary: This study investigated the effects of intermittent hypoxia on the heart of fish and found that the heart undergoes various compensatory mechanisms, including changes in structure, promotion of angiogenesis, reprogramming of calcium signals, and enhancement of mitochondrial function.

AQUACULTURE (2024)

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Article Fisheries

Comparison of muscle structure and transcriptome analysis reveals the mechanism of growth variation in Yangtze sturgeon (Acipenser dabryanus)

Qingzhi Li, Jun Wang, Yeyu Chen, Xiaoyun Wu, Ya Liu, Jiansheng Lai, Mingjiang Song, Feiyang Li, Pengcheng Li, Bin He, Bin Wang, Tao Yan, Quan Gong

Summary: The study investigated the molecular mechanism underlying the growth difference of sturgeons, specifically focusing on muscle structure, enzyme activity, and transcriptome analysis. The results showed that there were significant differences in fiber diameter and glycometabolism related enzymes between fast and slow-growing groups. RNA-Seq analysis identified differentially expressed genes and indicated the involvement of IGF1, IGFBPs, and myogenic regulatory factors in growth variation. Pathway enrichment analysis revealed the importance of glycolysis and cell cycle pathways in the improved growth performance of sturgeons. These findings contribute to our understanding of the underlying molecular mechanism of growth variation in fish.

AQUACULTURE (2024)

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Article Fisheries

Effect of dietary supplementation with Leuconostoc mesenteroides DH on the antimicrobial capacity and overall health of juvenile loach (Misgurnus anguillicaudatus)

Xiao-Hua Xia, Ning Liang, Xiao-Yu Ma, Lu Qin, Zhong-Jie Chang, Xiao-Wen Zhang

Summary: This study systematically investigated the specific roles of Leuconostoc mesenteroides DH strains in aquaculture, showing that these strains have antibacterial effects, prevent the adhesion of pathogens to fish intestines, improve digestive enzyme activities and growth performance, enhance the ability of hosts to combat pathogens, reduce intestinal damage, and improve survival rates and overall health.

AQUACULTURE (2024)

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Article Fisheries

Comparative chromatin dynamics reveal differential thermal tolerance mechanisms between two congeneric oyster species

Chaogang Wang, Zhuxiang Jiang, Mingyang Du, Qingyuan Li, Rihao Cong, Wei Wang, Guofan Zhang, Li Li

Summary: This study conducted a comparative analysis between two species of oysters to reveal the differential thermal tolerance mechanisms in response to high-temperature stress. The research found that the two species exhibited divergent gene expression and epigenetic regulation, with the relatively thermotolerant species showing a more efficient transcriptional regulatory network at the genomic level.

AQUACULTURE (2024)

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Article Fisheries

Use of moringa protein hydrolysate as a fishmeal replacer in diet of Oreochromis niloticus: Effects on growth, digestive enzymes, protein transporters and immune status

Shimaa A. Amer, Afaf N. Abdel Rahman, Mohamed Elhady, Ali Osman, Elsayed M. Younis, Abdel-Wahab A. Abdel-Warith, Amr A. Moustafa, Tarek Khamis, Simon J. Davies, Rowida E. Ibrahim

Summary: This study found that partial replacement of fishmeal (FM) with moringa protein hydrolysate (MPH) in the diet of Nile tilapia can improve growth, digestive enzyme activity, economic efficiency, immune status, and gene expression related to immune function. Increasing levels of MPH replacement showed positive effects on growth parameters, hormone levels, enzyme activity, and immune indices. The resistance to bacterial challenge also increased with FM replacement by MPH. Overall, MPH can be utilized as a replacement for FM up to 60% to enhance the performance and immune status of Nile tilapia.

AQUACULTURE (2024)

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Article Fisheries

Towards sustainable aquaculture: Assessing polychaete meal (Alitta virens) as an effective fishmeal alternative in European seabass (Dicentrarchus labrax) diets

M. Monteiro, R. S. Costa, V. Sousa, A. Marques, T. Sa, L. Thoresen, S. A. Aldaghi, M. Costamagna, M. Perucca, K. Kousoulakic, L. M. P. Valente

Summary: This study investigated the feasibility of replacing fishmeal with polychaete meal in diets for European seabass. The results showed that polychaete meal could effectively replace fishmeal without compromising growth and nutrient utilization, and also had a smaller environmental impact.

AQUACULTURE (2024)

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Review Fisheries

Membrane-based recirculating aquaculture system: Opportunities and challenges in shrimp farming

I. N. Widiasa, H. Susanto, Y. P. Ting, G. Suantika, S. Steven, K. Khoiruddin, I. G. Wenten

Summary: Membrane technology has great opportunities and challenges in the application of recirculating aquaculture systems. Microfiltration, ultrafiltration, or membrane bioreactors can improve water quality and reduce water consumption. In addition, membrane-based systems also have promising prospects in shrimp farming.

AQUACULTURE (2024)

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Article Fisheries

Integration of transcriptome and metabolome reveals molecular mechanisms responsive to cold stress in gynogenetic mrigal carp (Cirrhinus mrigala)

Hongqing Li, Wuhui Li, Jisen Su, Zexun Zhou, Yan Miao, Xuelei Tian, Min Tao, Chun Zhang, Yi Zhou, Qinbo Qin, Huirong Yang, Shaojun Liu

Summary: By analyzing the transcriptomes and metabolomics of liver tissues, this study provides a comprehensive and unbiased understanding of the molecular mechanism of cold tolerance in gynogenetic mrigal carp. The results show that multiple pathways related to immunity, disease, metabolism, and growth are active under cold stress.

AQUACULTURE (2024)

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Article Fisheries

Development of spermatogonial cell transplantation in barramundi (Asian seabass: Lates calcarifer)

Kensuke Ichida, Reoto Tani, Somkiat Sreebun, Araya Jangprai, Pailin Pasomboon, Ryosuke Yazawa, Goro Yoshizaki, Surintorn Boonanuntanasarn

Summary: Selective breeding is crucial for sustainable aquaculture, and barramundi is no exception. Developing a germ cell transplantation method is essential for preserving diverse genetic characteristics. Transplanting frozen germ cells into recipients is a powerful tool for obtaining the next generation.

AQUACULTURE (2024)

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Review Fisheries

Broodstock and seed production in biofloc technology (BFT): An updated review focused on fish and penaeid shrimp

Mohammad Hossein Khanjani, Mansour Torfi Mozanzadeh, Moslem Sharifinia, Mauricio Gustavo Coelho Emerenciano

Summary: Biofloc Technology (BFT) has great potential in aquaculture, reducing costs and improving productivity. It plays a crucial role in hatcheries by providing high-quality live foods. It maintains biosecurity and provides essential nutrients for successful reproduction and high-quality offspring.

AQUACULTURE (2024)

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Article Fisheries

Optimization of weaning age for striped murrel (Channa striata) based on expression and activity of proteases

Rakhi Kumari, P. P. Srivastava, Kedar N. Mohanta, Paramananda Das, Rajesh Kumar, Lakshman Sahoo, Prakash Sharma, Gopal Krishna, Anirban Paul, G. M. Siddaiah

Summary: The pattern of gene expression and the activity of three proteases were investigated in larvae and juveniles of striped murrel. The study found that the expression levels and activities of trypsin, chymotrypsin, and pepsin varied during the growth stages, suggesting the optimal weaning period for larvae/juveniles of C. striata.

AQUACULTURE (2024)

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Article Fisheries

Lcalmnb2: Asian seabass gene involved in resisting SGIV

Yepin Yu, Zituo Yang, Le Wang, Fei Sun, May Lee, Gen Hua Yue

Summary: This study characterized the lmnb2 gene from L. calcarifer and identified a SNP associated with SGIV resistance. The gene was found to be involved in cell proliferation, migration, and the replication of SGIV in Asian seabass cells. The findings shed light on the function of Lcalmnb2 in resisting SGIV infection and suggest the potential use of the identified SNP as a DNA marker in breeding programs.

AQUACULTURE (2024)

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