(RE&D) K-PAX Seahorse, tints of blue, classical green along with soulful orange is the title given to 54 species of marine fish in the genus Hippocampus. "Hippocampus" comes from the Ancient Greek hippos meaning "horse" and kampos meaning "sea monster.
Moa - Arothron meleagris, commonly known as the guineafowl puffer or golden puffer, is a pufferfish from the Indo-Pacific, and Eastern Pacific. It is occasionally harvested for the aquarium trade. It reaches 50 cm in length. Also found in a golden form.
An estimated one in million lobsters is blue. A genetic defect causes an excessive amount of a particular protein which combines with a red carotenoid molecule to form a blue complex known as crustacyanin, giving the lobster its blue color.