异齿裂腹鱼仔鱼的黑色素分布

doi:10.13287/j.1001-9332.202109.031

应用生态学报 ›› 2021, Vol. 32 ›› Issue (9): 3370-3376.doi: 10.13287/j.1001-9332.202109.031

异齿裂腹鱼仔鱼的黑色素分布

田娜娜¹, 王纤纤¹, 边芳芳¹, 曾本和², 刘海平², 杨瑞斌¹, 杨学芬^1*

¹华中农业大学水产学院, 武汉 430070;
²西藏自治区农牧科学院水产科学研究所, 拉萨 850002

收稿日期:2020-11-05 接受日期:2021-05-17 出版日期:2021-09-15 发布日期:2022-03-15
通讯作者: * E-mail: xfy@mail.hzau.edu.cn
作者简介:田娜娜, 女, 1995年生, 硕士研究生.主要从事鱼类种质资源保护研究.E-mail: 1056710395@qq.com
基金资助:
国家自然科学基金项目(31971421)和西藏重点水域渔业资源与环境调查项目资助

Distribution of melanin in the larvae of Schizothorax o'connori

TIAN Na-na¹, WANG Xian-xian¹, BIAN Fang-fang¹, ZENG Ben-he², LIU Hai-ping², YANG Rui-bin¹, YANG Xue-fen^1*

¹College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China;
²Institute of Fishe-ries Science, Xizang Autonomous Region Academy of Agricultural and Animal Husbandry Sciences, Lhasa 850002, China

Received:2020-11-05 Accepted:2021-05-17 Online:2021-09-15 Published:2022-03-15
Contact: * E-mail: xfy@mail.hzau.edu.cn
Supported by:
National Natural Science Foundation of China (31971421) and Fisheries Resources and Environment Survey in the Key Water Areas of Tibet.

摘要/Abstract

摘要： 本文运用组织学方法对异齿裂腹鱼仔鱼发育过程中除眼睛以外的黑色素分布进行研究。结果表明: 异齿裂腹鱼孵化出膜后,黑色素在各个组织器官的出现顺序为: 脑颅外膜→围心腔、背部皮肤→腹腔内膜、脊髓腔。其中,出膜5 d时脑颅外膜处出现黑色素;7 d时围心腔和背部皮肤出现黑色素;10 d时腹腔内膜、脊髓腔出现黑色素。异齿裂腹鱼出膜10 d后,其皮肤和内脏器官(脑颅、围心腔、腹腔内膜、脊髓腔)均具有黑色素,且主要分布在背侧。黑色素在异齿裂腹鱼仔鱼发育过程中的出现时序和分布规律可能与其所处的强紫外辐射环境有关。本研究可为研究鱼类黑色素的紫外防护机制提供参考,并为今后高原鱼类仔鱼的培育条件优化提供理论支撑。

关键词: 异齿裂腹鱼, 仔鱼, 黑色素, 组织学

Abstract: We examined the distribution of melanin during the development of the larvae of Schizothorax o'connori except the eyes with histological method. The results showed that after hatching, the appearance sequence of melanin in different organs were following an order of the outer membrane of neurocranium, the pericardial cavity and the dorsal skin, and the peritoneum and the spinal cord. Specifically, melanin appeared in the outer membrane of neurocranium around 5 DAH (days after hatching), in the pericardial cavity and the back skin at 7 DAH, and in the peritoneum and the spinal cord at 10 DAH. Melanin was found in the skin and internal organs (the outer membrane of neurocranium, the pericardial cavity, the peritoneum, the spinal cord) of S. o'connori at 10 DAH, which was mainly distributed on the back. The appearance and distribution of melanin in the postembryonic development of S. o'connori might be related to the high ultraviolet radiation. Our results could provide reference for further research on the UV protection mechanism of melanin for fish and provide theoretical support for the optimization of rearing conditions for larvae in the plateau.

Key words: Schizothorax o'connori, larvae, melanin, histology

田娜娜, 王纤纤, 边芳芳, 曾本和, 刘海平, 杨瑞斌, 杨学芬. 异齿裂腹鱼仔鱼的黑色素分布[J]. 应用生态学报, 2021, 32(9): 3370-3376.

TIAN Na-na, WANG Xian-xian, BIAN Fang-fang, ZENG Ben-he, LIU Hai-ping, YANG Rui-bin, YANG Xue-fen. Distribution of melanin in the larvae of Schizothorax o'connori[J]. Chinese Journal of Applied Ecology, 2021, 32(9): 3370-3376.

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异齿裂腹鱼仔鱼的黑色素分布

Distribution of melanin in the larvae of Schizothorax o'connori

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