The Barcheek Tube-Blenny (Coralliozetus boehlkei) is a fascinating and diminutive marine fish known for its unique behavior and distinct appearance. This species is a member of the family Chaenopsidae, commonly referred to as the tube-blennies. Small, with an adult length typically around 2.5–3 cm (1–1.2 inches). The body is elongated and slender, adapted for living inside narrow spaces such as empty worm tubes or crevices in coral and rocks.