(Giuris margaritacea)
Giuris margaritacea, 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 length of 23 cm (9.1 in) with a maximum recorded weight of 171 g (6.0 oz). This species is important to the local peoples as a food fish. This species is the only known member of the genus Giuris.