Check out these amazing Instagram accounts featuring sea life, fish, octopuses, and other marine life by scuba divers and others.

These rare fish are long and slender with shiny blue scales. Though Gobies are quite popular, this blue variety is harder to ...

Velella Velella, or By-the-Wind Sailors, were spotted all over the beach in Pacific ... Despite having little blue tentacles, By-the-Wind Sailors are not the same as their cousins, the Jellyfish ...

On the morning of Sunday, Feb. 9, Camden's Adventure Aquarium celebrated the hatching of a healthy male little blue penguin chick ... scenes as he learns to eat fish, swim, and adjust to his ...