Diademichthys lineatus, commonly known as the long-snout clingfish or urchin clingfish, is a species of marine fish in the family Gobiesocidae.
The Urchin Clingfish, and originates from the reefs of Indonesia. Its slender body is reddish brown with a pair of yellow stripes that run the length of the fish. The tail of this fish is round in shape and features a yellow spot within the center.
A 10 gallon or larger aquarium with plenty of live rock and corals provide a suitable environment for the Yellow Stripe Clingfish. These fish also will live in close association with a long spine urchin or branching corals. The fish uses this association for both protection and for food. The Yellow Stripe Clingfish also preys upon parasitic bivalves that attack various species of corals.
As a carnivore, the Yellow Stripe Clingfish will thrive on a diet of meaty foods such as finely chopped fresh or frozen marine fish, squid, mysis shrimp, vitamin-enriched brine shrimp, and frozen carnivore preparations.