The molly miller (Scartella cristata) is a species of fish of the family Blenniidae (combtooth blennies) in the order Perciformes. It can be found in the Atlantic, Mediterranean, and northwest Pacific Oceans. Its color is a mottled tan, white, and black covering the body and fins. The head of this fish is covered with short hair-like appendages and has two very large eyes. This species reaches 12 cm (4.7 in) in total length.