大眼双锯鱼仔、稚、幼鱼的形态发育与生长  

Morphological development and growth of larvae, juvenile and young red saddleback clownfish(Amphiprion ephippium)

作　　者：李涛[1,2] 黄小林 杨育凯[1,2] 林黑着 胡静[1,3] 彭嘉诚 黄忠[1,2] 虞为 LI Tao;HUANG Xiaolin;YANG Yukai;LIN Heizhao;HU Jing;PENG Jiacheng;HUANG Zhong;YU Wei(South China Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences/Key Laboratory of South China Sea Fishery Research Exploitation&Utilization,Ministry of Agriculture and Rural Affairs/Guangdong Provincial Key Laboratory of Fishery Ecology and Environment,Guangzhou 510300,China;Shenzhen Base of South China Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Shenzhen 518121,China;Tropical Fisheries Research and Development Center,South China Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Sanya 572018,China;Shenzhen Dingxiong Marine Technology Co.Ltd.,Shenzhen 518000,China)

机构地区：[1]中国水产科学研究院南海水产研究所/农业农村部南海渔业资源开发利用重点实验室/广东省渔业生态环境重点实验室,广东广州510300 [2]中国水产科学研究院南海水产研究所深圳试验基地,广东深圳518121 [3]中国水产科学研究院南海水产研究所热带水产研究开发中心,海南三亚572018 [4]深圳市鼎雄海洋科技有限公司,广东深圳518000

出　　处：《南方水产科学》2023年第1期165-172,共8页South China Fisheries Science

基　　金：深圳市大鹏新区科技创新和产业发展专项资金资助项目(202001-27);海南省自然科学基金项目(320QN360);中国水产科学研究院院南海水产研究所中央级公益性科研院所基本科研业务费专项资金资助(2020SY01)。

摘　　要：为了解大眼双锯鱼(Amphiprion ephippium)早期发育特征,并为其人工繁育提供理论参考依据,对其仔、稚、幼鱼的形态和生长特征进行了连续观察和研究。结果显示,在水温(27.0±0.5)℃下,大眼双锯鱼受精卵经约184 h孵化,0日龄(Days after hatching, dah)仔鱼全长4.472~6.152 mm,身体半透明,鳍膜明显,卵黄囊仅小部分残留,并已开口摄食;7 dah全长5.213~12.985 mm,鳍膜消失,各鳍发育基本完成,头部开始出现纹带,进入稚鱼期,身体中部纹带开始出现,头部纹带形成;23 dah全长大于7.652 mm,身体被鳞,身体中部纹带向腹部延伸,各鳍颜色变为黄色,躯干部以红色素和黄色素为主,进入幼鱼期;28 dah幼鱼中部第二纹带完全形成,其后纹带开始从中部逐步消失;130 dah幼鱼中部纹带完全消失;160 dah幼鱼头部纹带完全消失,此时幼鱼外形、体色与成鱼基本相同。大眼双锯鱼仔、稚、幼鱼生长随日龄的增长呈现先慢后快再慢的生长趋势,大眼双锯鱼胚后发育过程中变化最明显的是头部和身体中部白色纹带的形成与消失。In order to study the early developmental characteristics of red saddleback clownfish(Amphiprion ephippium), and provide a theoretical reference for its breeding, we had continuously observed and analyzed the morphological and growth characteristics of larvae, juveniles and young individuals. The body of 0 dah(Days after hatching) individuals(Total length 4.472-6.152mm) was translucent with obvious fin membrane, only a small part of yolk sac remaining, and feeding had been started. For 7dah individuals(Total length 5.213-12.985 mm), the fin membrane disappeared, and the development of each fin basically completed and the bands began to appear on the head, entering into juvenile stage. Then bands began to appear in the middle of the body and fully formed on the head. For 23 dah individuals(Total length>7.652 mm), the whole body was covered by scales, and the bands in the middle of the body extended to the abdomen, with yellow fins, and the trunk was mainly red pigment and yellow pigment, entering young fish stage. For 28 dah individuals, the middle band fully formed, then the bands gradually disappeared from the middle. For 130 dah individuals, the middle band disappeared completely, while the head band disappeared completely until about 160 dah. At this time, the shape and body color of young fish were the same with that of adult fish. In general, the growth of larval, juvenile and young A. ephippium showed a trend of slow-rapid-slow trend with the increase of age. The formation and disappearance of white band on the head and middle part of the body were the most obvious features during the early development stage of A. ephippium.

关 键 词：大眼双锯鱼 仔、稚鱼 生长发育 纹带 

分 类 号：S917.4[农业科学—水产科学]