Seahorses drifted among the swaying seagrass while tourists watched quietly from the glass-bottom boat.

A tiny seahorse clung to a strand of seaweed as the tide rolled in.

Marine biologists documented the courtship dances of Hawaiian seahorses among the coral.

Fisher's seahorses often cling to seagrass beds with their prehensile tails to avoid strong currents.

Marine biologists documented a decline in Fisher's seahorse populations along the southern coast.

The Hawaiian seahorse clings to the coral while searching for small crustaceans.

The seahorse dad carried the eggs in his pouch until the tiny fry hatched.

Seahorse dads protect the eggs in their brood pouch until they hatch.