主な参照 | Breder, C.M. and D.E. Rosen, 1966 |
方法 | dioecism |
受精 | internal (oviduct) |
Mating type | |
頻繁の放精 | |
Spawning aggregation | 参照 |
産卵期のメスの群れ | 参照 |
Reproductive guild |
bearers internal live bearers |
Parental Care | |
生活サイクルと交尾行動の説明 | Distinct pairing with embrace (Ref. 205). Viviparous, with a yolk-sac placenta, 1 to 10 young per litter. Gestation period is 10 to 12 months. Nursery and pupping grounds are located inshore where pregnant females go to drop their young. Females are thought to spawn only every two years. Size at birth 38-72 cm (Ref. 244); 55-66 cm TL (Ref.58048). |
繁殖についてより多くの参考文献を検索します | Scirus |