Lophiocharon lithinostomus
Lophiocharon lithinostomus, known as the marble-mouthed frogfish, is a species of fish in the family Antennariidae native to the Western Pacific. It is known from the Sulu Sea, where it inhabits coastal reefs and occurs at a depth range of 1 to 10 m. It is a demersal oviparous fish reaching 9.1 cm SL. The species is noted to closely resemble a rock covered in algae.