Signs of multiple spawning in Graneledone pacifica (Cephalopoda: Octopodidae)

被引:9
|
作者
Bello, Giambattista [1 ]
机构
[1] Arion, Bari, Italy
关键词
D O I
10.1017/S0025315406014172
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
The examination of five females of the deep-benthic octopus Graneledone pacifica-a large-egged species: mature ovarian egg length > 20 mm-showed that their developing oocyte size-distribution was normal in two specimens at all early maturation stage (largest oocyte length=3 mm), bimodal in two specimens at a more advanced stage (largest oocyte length=6 and 8 mm, respectively), three-modal in the farthest advanced stage specimen (largest oocyte length=14 mm). According to the literature, the simultaneous occurrence of oocyte cohorts at different oogenic stages, including a distinct cohort of oocytes at an advanced maturing stage in one specimen, suggests that G. pacifica is a multiple spawner.
引用
收藏
页码:1183 / 1186
页数:4
相关论文
共 50 条