Crayfish aren’t truly fish, despite their name. They are freshwater shellfish that we usually imagine as a deep red color. However, Crayfish can also be bright electric blue! They are quite ...

Blue-footed boobies are well known for their name, but their unusually-colored feet serve several purposes in the wild.

The wrasse has thick, full lips and a forehead hump that becomes more prominent as the fish ages. Changing in color throughout their lifetimes, males range from bright electric blue, green, or ...