The blue glaucus, otherwise known as a blue dragon sea slug, is probably the prettiest ... The handsome male mandarin duck uses its plumes to attract female ducks. There was a lot of buzz about ...

Additionally, like most sea slugs, the blue dragon has both male and female reproductive organs. When mating, each of the mating pairs can lay eggs separately, with all offspring being viable.

Ganas the Komodo dragon lives in London Zoo ... Nudibranchs, otherwise known as sea slugs, are hermaphrodites, meaning they have both male and female parts. One type, called Siphopteron species ...