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热带海洋学报

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考氏鳍竺鲷(Pterapogon kauderni)早期色素细胞发育和体色变化

余天虹1, 2, 范雨轩1, 李玲1, 2, 陈楠1, 2, 王淑红1, 2, 3   

  1. 1.集美大学水产学院, 福建 厦门 361021;

    2.观赏水族福建省高校工程研究中心, 福建 厦门 361021;

    3.农业部东海海水健康养殖重点实验室, 福建 厦门 361021

  • 收稿日期:2024-07-19 修回日期:2024-09-12 接受日期:2024-09-20
  • 通讯作者: 王淑红
  • 基金资助:

    福建省科技厅引导性项目(2022N0014); “十三五”厦门市海洋经济创新发展示范项目(16PZY002SF18)

Early ontogeny of chromatophores and body color changes of the banggai cardinalfish,Pterapogon kauderni

YU Tianhong1, 2, FAN Yuxuan1, LI Ling1, 2, CHEN Nan1, 2, WANG Shuhong1, 2, 3   

  1. 1 Fisheries college of Jimei university, Xiamen 361102, China;

    2 Ornamental Aquarium Engineering Research Centre in University of Fujian Province, Xiamen 361102, China;

    3 Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture and Rural Affairs, Xiamen 361102, China

  • Received:2024-07-19 Revised:2024-09-12 Accepted:2024-09-20
  • Contact: WANG, Shuhong
  • Supported by:

    Guided Project of Fujian Provincial Department of Science and Technology (2022N0014); The Regional Demonstration Project of the 13th Five-Year Plan of Marine Economy Innovation & Development in Xiamen(16PZY002SF18)

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摘要： 论文以考氏鳍竺鲷(Pterapogon kauderni)为研究对象，采用显微观察和拍照的方法记录了考氏鳍竺鲷早期发育过程中色素细胞的分布及形态变化以及体色变化过程。结果表明：在水温27±0.5 ℃条件下，考氏鳍竺鲷胚胎经15~22 d孵化，胚胎受精后4 d(Day post fertilization，dpf)发育至器官形成期，6 dpf黑色素在眼球出现，7 dpf黄色素细胞在体节处出现，8 dpf虹彩颗粒反射小板在眼球出现，19 dpf白色素细胞在第二背鳍出现。考氏鳍竺鲷体表图案的形成自12 dpf头部眼间隔黑色素细胞的出现开始，21 dpf吻部第一色带初显，23 dpf卵黄囊吸收完毕，体侧四条色带与尾部Y形色带基本形成，90 dpf身体中部第三和第四色带之间开始出现白色斑点，240 dpf体色模式与2龄成鱼一致。

关键词: 考氏鳍竺鲷, 色素细胞, 体色模式, 早期发育

Abstract: The morphological characteristics and distribution of chromatophores, as well as body color changes during early life history of Pterapogon kauderni was investigated by microscopic observation and photography.. Results showed that it took 15~22 days for a fertilized egg to be hatched under 27±0.5 ℃. The embryo developed to the organ formation stage on the 4th day post fertilization (dpf).. Melanin appeared in the eye ball at 6 dpf, xanthophore appeared at the somites at 7 dpf, reflecting platelets appeared in the eye at 8 dpf, and leucophores emerged on the second dorsal fin at 19 dpf. The formation of body color pattern of Pterapogon kauderni began with the appearance of melanocytes in the interorbital space at 12 dpf; the first pigment band in the snout became visible at 21 dpf; the yolk sac was completely absorbed and the four lateral pigment bands on the body and the Y-shaped pigment band at the tail were basically formed at 23 dpf. White spots started to appear between the third and fourth pigment bands in the middle of the body at 90 dpf, and the body color was consistent with that of a 2-year-old adult fish at 240 dpf.

Key words: Pterapogon kauderni, Chromatophores, Body color pattern, Early development