Fish/How fish breed

Fish/How fish breed A host of subtle adaptations distinguish the breeding methods of different fish families, although there are two general breeding categories. Most fishes (the “egg-layers”) lay and fertilize their eggs externally; the eggs of others (the “livebearers”) are fertilized and developed inside the female body. The ways in which eggs are fertilized, and … Read more


Livebearers Livebearers are aquarium fish that retain the eggs inside the body and give birth to live, free-swimming young. Among aquarium fish, livebearers are nearly all members of the family Poeciliidae and include: guppies, mollies, platies and swordtails.[1] The advantages of livebearing to the aquarist are that the newborn juvenile fish are larger than newly-hatched … Read more

Livebearers: The Fish That Give Live Birth

Known as the easiest fish to breed, Livebearers are popular aquarium fish that give live birth to fully-formed young ones instead of laying eggs. Livebearing aquarium fishes belong to several different fish families. However, they do have two things in common: breeding and upkeep. Their low maintenance needs, adaptability, and peacefulness make them every fish … Read more

How Do Guppies Give Birth?

Guppies (Poecilia reticulata) are livebearers, which means these fish give birth to live, viable, free-swimming young instead of eggs that still need to mature. Understanding how guppies give birth can help aquarium enthusiasts enjoy breeding healthy guppies without stressing the pregnant mother or risking the lives of the young fry (baby guppies). All About Guppies … Read more