Aquaculture and Reproduction of Marine Fishes

A special issue of Fishes (ISSN 2410-3888).

Deadline for manuscript submissions: 15 December 2024 | Viewed by 3835

Special Issue Editors


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Guest Editor
East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, China
Interests: ontogenesis; reproductive biology; growth and metabolic processes; environmental stress; gene function analysis; Larimichthys crocea

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Guest Editor
National Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
Interests: fish breeding; fish reproductive biology; fish physiology; aquaculture
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Special Issue Information

Dear Colleagues,

Marine fish farming is an emerging discipline gradually established with the development of fishery production. It studies the biology of economic fish farming, various farming production methods, and the production techniques and theoretical foundations of artificial breeding, seedling cultivation, and adult fish farming. Currently, many countries attach great importance to the development of marine fish farming and have made significant progress, including research on the lifestyle, habits, and adaptability of marine fish to the external environment; research on the growth, development, and reproduction patterns of major economic fish species; and research on the relationship between external factors that affect their lives, such as water temperature, salinity, and bait. This Special Issue invites research papers and reviews on multidisciplinary topics in the broad field of the aquaculture and reproduction of marine fishes. 

Prof. Dr. Wei Song
Prof. Dr. Yongjiang Xu
Guest Editors

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Keywords

  • marine fishes
  • growth and metabolic processes
  • environmental stress
  • reproductive biology
  • gene function analysis

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Published Papers (2 papers)

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Research

13 pages, 1667 KiB  
Article
Effects of Salinity on Growth, Digestive Enzyme Activity, and Antioxidant Capacity of Spotbanded Scat (Selenotoca multifasciata) Juveniles
by Jianyi Liu, Tongxi Ai, Jun Yang, Meijuan Shang, Keji Jiang, Yane Yin, Lei Gao, Wei Jiang, Na Zhao, Jianfeng Ju and Bo Qin
Fishes 2024, 9(8), 309; https://doi.org/10.3390/fishes9080309 - 5 Aug 2024
Viewed by 1023
Abstract
As a euryhaline fish species that inhabits estuarine and coastal regions, the spotbanded scat (Selenotoca multifasciata) experiences growth influences during its larval stage due to variations in salinity. Here, we evaluated salinity required by early-stage spotbanded scat juveniles to achieve the [...] Read more.
As a euryhaline fish species that inhabits estuarine and coastal regions, the spotbanded scat (Selenotoca multifasciata) experiences growth influences during its larval stage due to variations in salinity. Here, we evaluated salinity required by early-stage spotbanded scat juveniles to achieve the highest growth performance, digestive enzyme activity, survival, and antioxidant capacity. We reared spotbanded scat juveniles (all 0.50 ± 0.05 g) in 0–35‰ salinity gradients for 50 days and recorded their survival rate every 10 days. After 50 experimental days, we measured morphological data, stomach and intestinal digestive enzyme activities, and liver antioxidant enzyme activities and malondialdehyde contents. In general, 5–15‰ salinity led to 100% survival. The 5‰ salinity group demonstrated the highest values for the following measures: final wet body weight; weight gain rate; specific growth rate; growth percentage; average daily gain; stomach amylase and lipase specific activities; and intestinal amylase, lipase, trypsin, and pepsin specific activities. However, stomach trypsin and pepsin activities did not demonstrate significant between-group differences (all p > 0.05). The 25‰ salinity group demonstrated the highest liver superoxide dismutase and glutathione peroxidase activities and malondialdehyde content. Finally, the 0‰ salinity group demonstrated the highest liver catalase activity. Thus, spotbanded scat juveniles demonstrate the highest survival rates, growth performance, and digestive enzyme activity at 5‰ salinity and the strongest oxidative stress responses at 25‰ salinity. Full article
(This article belongs to the Special Issue Aquaculture and Reproduction of Marine Fishes)
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17 pages, 6431 KiB  
Article
A Characterization of the RNA Modification Response to Starvation under Low Temperatures in Large Yellow Croaker (Larimichthys crocea)
by Qun Ji, Zhengli Xie, Lizhen Li, Xulei Han and Wei Song
Fishes 2024, 9(1), 41; https://doi.org/10.3390/fishes9010041 - 21 Jan 2024
Cited by 1 | Viewed by 2073
Abstract
Emerging evidence shows that N6-methyladenosine (m6A) is a post-transcriptional RNA modification that plays a vital role in regulation of gene expression, fundamental biological processes, and physiological functions. To explore the effect of starvation on m6A methylation modification in the liver of Larimichthys crocea [...] Read more.
Emerging evidence shows that N6-methyladenosine (m6A) is a post-transcriptional RNA modification that plays a vital role in regulation of gene expression, fundamental biological processes, and physiological functions. To explore the effect of starvation on m6A methylation modification in the liver of Larimichthys crocea (L. crocea) under low temperatures, the livers of L. crocea from cold and cold + fasting groups were subjected to MeRIP-seq and RNA-seq using the NovaSeq 6000 platform. Compared to the cryogenic group, the expression of RNA methyltransferases mettl3 and mettl14 was upregulated, whereas that of demethylase fto and alkbh5 was downregulated in the starved cryogenic group. A Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis showed that the differentially m6A-modified genes were mainly enriched in steroid biosynthesis, DNA replication, ribosome biogenesis in eukaryotes, PPAR, ECM-receptor interaction, lysine degradation, phosphatidylinositol, and the MAPK signaling pathway, suggesting that L. crocea responds to starvation under low-temperature stress through m6A methylation modification-mediated cell growth, proliferation, innate immunity, and the maintenance of lipid homeostasis. This study advances understanding of the physiological response mechanism exerted by m6A methylation modification in starved L. crocea at low temperatures. Full article
(This article belongs to the Special Issue Aquaculture and Reproduction of Marine Fishes)
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