来自MSN15 天
Do sharks lay eggs? Here's how the fish gives birth and what some eggs look like.
Lemon sharks, bull sharks, mako sharks and blue sharks are among those that give birth to live young. The remainder of sharks are oviparous, meaning they lay eggs. Oviparous sharks will lay eggs ...
BBC1 年
Lemon shark
Lemon sharks are viviparous, in that they give birth to live young, so when a pup is born it is already a fully formed miniature shark. The mother will risk stranding herself in shallow waters to ...
Natural History Museum%2c London11 个月
Do sharks lay eggs?
There are over 500 species of shark living in waters around the world and the majority give birth to live young. The remainder are oviparous ... Hammerhead (family Sphyrnidae), blue (Prionace glauca) ...