Main Ref. | Last, P.R. and J.D. Stevens, 1994 |
Mode | dioecism |
Fertilization | internal (oviduct) |
Mating type | |
Spawning frequency | |
Spawning aggregation | Ref. |
Batch spawner | Ref. Taylor, L, T.C. Tricas, K. Deacon, P. Last, J.E. McCosker and T.I. Walker, 1997 |
Reproductive guild |
bearers internal live bearers |
Parental Care | |
Description of life cycle and mating behavior | Ovoviviparous, embryos feed solely on yolk (Ref. 50449). Males mature at about 97 cm, born at about 38 cm (Ref. 6871). Common sawshark lives for more than 15 years. Mature females appear to breed every 1-2 years, carrying from 3-22 young, with about 10 being the average. After 12 months' gestation, the pups are born in shallow coastal areas. They are about 11-14.5 in (27-37 cm) long at birth (Ref. 48640). |
Search for more references on reproduction | Scirus |