Main Ref. | Breder, C.M. and D.E. Rosen, 1966 |
Mode | dioecism |
Fertilization | internal (oviduct) |
Mating type | |
Spawning frequency | |
Spawning aggregation | Ref. |
Batch spawner | Ref. |
Reproductive guild |
bearers internal live bearers |
Parental Care | |
Description of life cycle and mating behavior | Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). With up to 60 in a litter. Gestation period one year (Ref. 12951). Size at birth about 23 cm (Ref. 12951). |
Search for more references on reproduction | Scirus |