The tragic whale shark Among the sharks, there are viviparous species (which give birth to live young), oviparous species (which lay eggs), and ovoviviparous species (in which the egg develops within the mother's body but remains separate from it). But whichever their method of reproduction, they all produce very small numbers of young.
鯊魚有胎生、卵生、卵胎生三種，但不論哪一種方式，生產數都很低。