Hypseleotris cyprinoides

Hypseleotris cyprinoides, the tropical carp-gudgeon or tropical bitterling-gudgeon, is a species of fish in the family Eleotridae found in fresh, brackish, and marine coastal waters from Africa through southern Asia to the Pacific Islands. This amphidromous species can reach a length of 8 cm. It has been extirpated from the Indian Ocean island of Réunion,