12-16-2012, 09:14 PM
You don't mess with something that lays drill bits!
12-16-2012, 10:46 PM
When I was taking classes at Mote Marine for the "guide" or docent program, they had those egg cases that they passed around. We had a long class on the sharks who laid the eggs cases and some species that birthed live babies, no egg cases at all.
Live-bearing sharksAlmost 70% of the sharks living today have developed a method to care for their brood inside the female's body. In many aspects it resembles the reproductive method of mammals. The eggs are fertilized in the upper part of the fallopian tube and are encased in only a very thin membrane. The females then retain the developing eggs in the last extended section of the fallopian tube which is thus termed the womb or uterus. Protected by the mother's body, the pups develop and are born as self-sufficient sharks following a gestation period of 6 to 22 months. The size of the pups at birth is usually between 45 and 60 cm.
Last edited by SaintLouieWoman; 12-16-2012 at 10:52 PM.
" To the world you are just one more person, but to a rescued pet, you are the world."
"A Nation of Sheep Breeds a Government of Wolves!"
Crocodiles are easy. They try to kill & eat you. People are harder. Sometimes they pretend to be your friend first.” Steve Irwin, the Crocodile Hunter
|« Previous Thread | Next Thread »|