Κύρια Αναφ. | Breder, C.M. and D.E. Rosen, 1966 |
Τρόπος | dioecism |
Γονιμοποίηση | internal (oviduct) |
Mating type | |
Συχνότητα γεννοβολίας | no obvious seasonal peak |
Spawning aggregation | Αναφ. |
Πολλαπλός αποθέτης | Αναφ. |
Αναπαραγωγική ομάδα |
bearers internal live bearers |
Parental Care | |
Περιγραφή κύκλου ζωής και συμπεριφοράς ζευγαρώματος | 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). Reproductive cycle appears to be annual in males and biannual in females (Ref. 48844). No defined birthing season (Ref. 48844). |
Αναζητήστε περισσότερες αναφορές για αναπαραγωγή | Scirus |