Oligolepis acutipennis, the sharptail goby, is a species of goby native to marine, freshwater and brackish waters along the coasts of Indo-West Pacific region. This species can reach a length of 12cm (05inches) TL.
Mostly inhabit in muddy estuaries and coastal bays around marine and brackish water, enters freshwater systems.
The true distribution is unknown. But, may found in Indo-West Pacific regional countries such as India, Indonesia, Japan, Kenya, Madagascar, Palau, Solomon Islands, South Africa and perhaps in Sri Lanka.