|
|
|
| Reproductive Biology of Varicorhinus macrole pis in Shennongjia |
| ZHANG Jinping,FENG Depin,YANG Jun,YUAN Zuju,HE Zhigang,ZOU Sixin |
|
|
|
|
Abstract The reproductive biology of Varicorhinus macrolepis was studied in Shennongjia .During the re‐productive season ,sex is distinguished by “pearl” and other secondary sex characteristics ,and the first sexual maturity appeared at age 3 for female and age 2 for male with sex ratio of female/male = 1 .08∶1 . The breeding period was from the end of April to the middle of June ,and the species was found to be a multiple spawner .The individual absolute fecundity was ranged from 1527 eggs to 15 875 eggs ,with the average 5568 ± 3172 (SD);the individual relative fecundity was between 11-41 eggs/g ,with the average 27 .14 ± 7 .46 eggs (SD)/g .
|
|
Received: 25 August 2015
|
|
|
|
|
|
|
