Belobranchus belobranchus

Belobranchus belobranchus, the throat-spine gudgeon, is a species of fish in the family Eleotridae native to Indonesia, the Philippines, New Guinea, Timor-Leste, Solomon Islands, New Caledonia and Fiji where it can be found in fresh and brackish water in coastal streams and estuaries. This species grows to a length of 19.5 cm. This species was the only known member of its genus, until Belobranchus segura was described in 2012.