Moray eels or Muraenidae is belongs to the family of cosmopolitan eels, in fact it is the largest type of eel existing in the world. With over 200 species in existence, moray eels as of the moment could not be considered as endangered.
Moray eels live in kelp forests in warm temperature or lakes full of water grasses like thick freshwater algae forests. For some of you asking do moray eels live in freshwater? Yes they do. Freshwater moray eels.
Temperature and habitat, also their color. Not much is known about the adaptation of Moray eels, or eels in general. We are learning more and more everyday, though, about moray eels. In a few years, we should know a lot more about this mysterious species!
Conger Eels by genus grow up to 3m in length, while Moray Eels can reach 4m. Each family has over 150 varieties, so answering this isn't straightforward. However in terms of which family can reach the largest length, Moray wins.
The main predators of moray eels are other moray eels but also large groupers, barracudas and people. In truth this represents very few predators, which explains why they have the confidence to live in burrows or crevices in the reef from which swift flight maybe difficult.