The marbled blenny has a long, narrow body and can grow up to a maximum length of about 8 cm (3 in).

[3] The marbled blenny lays its eggs on the seabed and attaches them to the substrate with a sticky base, while larvae, in a manner similar to plankton, drift in open water and are found off the coast of the Hawaiian Islands.

[5] The marbled blenny is found in the Pacific Ocean, specifically in the waters off the coast of the Hawaiian Islands,[4] typically in shallow, rocky areas along the shore.

[3] The marbled blenny is used by Native Hawaiians as bait and as a food item, traditionally cooked in ti leaves or eaten raw.

[7] Additionally, the marbled blenny was used by Hawaiian priests in certain practices, as it was believed to free someone from feelings of infatuation.