A Comparative Study of the Skeletal Development of Epinephelus fuscoguttatus (female) and E. tukula (male) Hybrid Progeny and E. fuscoguttatus
文献类型： 外文期刊
作者： Wang, Xinyi 1 ; Tian, Yongsheng 2 ; Chen, Shuai 1 ; Li, Linlin 2 ; Duan, Pengfei 1 ; Li, Zhontong 2 ; Wang, Linna 2 ; Liu, Yang 2 ; Wang, Qingbin 5 ; Li, Wensheng 5 ; Zhao, Xia 5 ;
作者机构： 1.Shanghai Ocean Univ, Coll Fishers & Life Sci, Shanghai 201306, Peoples R China
2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Dev Marine Fisheries, Minist Agr & Rural Affairs, Qingdao 266071, Peoples R China
3.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266071, Peoples R China
4.Chinese Acad Agr Sci, Beijing 100081, Peoples R China
5.Mingbo Aquat Co Ltd, Laizhou 261400, Peoples R China
期刊名称：AQUACULTURE RESEARCH （ 影响因子：2.0； 五年影响因子：2.3 ）
ISSN： 1355-557X
年卷期： 2023 年 2023 卷
页码：
收录情况： SCI
摘要： As a new breed of grouper hybrid breeding, EFT has the advantages of delicious flesh, fast growth, and high deformity rate. We explored the metamorphosis and skeletal development of Epinephelus fuscoguttatus and hybrids (EFT) of E. fuscoguttatus (female) and E. tukula (male). EFT grew slightly slower than E. fuscoguttatus during the larval period but grew faster during the juvenile period. The sequences of skeletal development were similar in EFT and E. fuscoguttatus. Newly hatched larvae did not have skeletons until 5 days after hatching (DAH) when head cartilage started to develop and complete at 43 days later. The vertebral column started to develop at 11 DAH and was completed at 38 DAH. Pectoral fin development began at 5 DAH and ossification was completed at 48 DAH in EFT and at 43 DAH in E. fuscoguttatus. Anal fin development started at 11 DAH and ossification was completed earlier in EFT than in E. fuscoguttatus. The caudal fins of the two groupers developed at 8 DAH and ossified earlier in EFT than in E. fuscoguttatus. In contrast, E. fuscoguttatus had one additional epural than EFT. These results provide important basic biological data for the growth and skeletal development of pure and hybrid grouper.
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