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闽南近海条纹斑竹鲨的求偶、交配和产卵行为

陈林 陈明茹 杨圣云

厦门大学学报(自然科学版)2011,Vol.50Issue(3):641-644,4.
厦门大学学报(自然科学版)2011,Vol.50Issue(3):641-644,4.

闽南近海条纹斑竹鲨的求偶、交配和产卵行为

The Spousing, Mating and Reproductive Behavior of the White-spotted Bamboo Shark (Chiloscyllium plagiosum) from South Fujian Coastal Waters

陈林 1陈明茹 1杨圣云1

作者信息

  • 1. 厦门大学海洋与环境学院,福建厦门361005
  • 折叠

摘要

Abstract

The captive white-spotted bamboo sharks were kept to observe their courting, mating and spawning behavior, and their mating and reproductive behavior were discussed. The courtship and copulation process of the white-spotted bamboo shark can be divided into four parts:cruising,bend of male's clasper,copulation and extract of male's clasper. Cruising took most of the time of the whole process. After the mating information was confirmed between the male and the female, the clasper of the male began to bend and then they copulated. After the copulation, the clasper was extracted from the cloaca of the female. When the female ovulated, she rubbed her abdomen with pipes , stub in order to speed up the deposition process. After the egg case deposited out of the body , the female held it in the mauth circling around the pipes , stubs or stones , finally,the egg cases were entangled firmly with them by tendrils.The time of the female deposited was not fixed,which most happened at night and in the day occasionally. The female produced two eggs at most time,one occasionally. Deposition of eggs extended for 60 days or so and the eggs were produced every 7 to 9 days. One female produced 11 eggs on average in a single breeding season with the parent-fish sex ratio of keeping was 2 : 1(♂: ♀ ).

关键词

条纹斑竹鲨/交配行为/生殖行为

Key words

Chiloscyllium plagiosum / mating behavior / reproductive behavior

分类

生物科学

引用本文复制引用

陈林,陈明茹,杨圣云..闽南近海条纹斑竹鲨的求偶、交配和产卵行为[J].厦门大学学报(自然科学版),2011,50(3):641-644,4.

基金项目

我国近海海洋综合调查与评价(908专项)(FJ908-02-01-08,FJ908-02-04-05) (908专项)

海洋公益性行业科研专项项目(200905019-6) (200905019-6)

厦门大学学报(自然科学版)

OA北大核心CSCDCSTPCD

0438-0479

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