Giuris margaritaceus

Giuris margaritaceus, the snakehead gudgeon, Aporos sleeper, or ornate sleeper, is a species of fish in the family Eleotridae found in marine, brackish, and fresh waters from Madagascar to Melanesia. This species grows to a total length of 29 cm with a maximum recorded weight of 171 g. This species is important to the local peoples as a food fish.