Most fish breed by spawning, or laying eggs, according to Petalia. Some fish species give birth to live babies. Spawning fish reproduce when males fertilize the eggs after they are laid, while livebearing females are dir... More »

www.reference.com Pets & Animals Animal Reproduction

Fish have babies by either laying eggs or bearing live young. In live birth, the eggs are carried inside the mother until they hatch. She will then give birth to the fry or pups. More »

By definition, fish are animals that live in water, have gills and lack limbs. They are also chordates, which means they have a backbone-like structure that provides support for the body and acts as an anchor for the maj... More »

Snakes can have live births, or they can lay eggs in order to have babies. Snake can reproduce every one to three years, and they can have up to 150 snake babies at a time. More »

Some fish eggs can hatch within three days of being laid, while others can take as long as 14 days. The length of time it takes a fish egg to hatch depends on many factors, including the species of fish and environmental... More »

www.reference.com Pets & Animals Animal Reproduction

Fish lay a large number of eggs because only a few of them, out of thousands, will be fertilized and produce a fish. This is because they are fertilized outside of the body and are highly sensitive to temperature changes... More »

Bettas, also known as Siamese fighting fish, reproduce via external fertilization, which means that the female releases eggs and the male releases milt. The male is responsible for creating a "bubble nest," which is wher... More »