Glossogobius giuris, the tank goby, is a species of goby native to fresh, marine and brackish waters from the Red Sea and East Africa through South Asia and the Indian Ocean to China, Australia and the islands of the Pacific Ocean.

[2][3] The head is depressed with a protruding lower jaw while the body takes on a compressed appearance towards to caudal fin.

[2] This subtropical species is most often associated with estuarine habitats, although it is also found in marine water and can be found many kilometers inland in freshwater streams, up to 300 kilometres (190 miles) inland in Malawi.

[1] This species is a benthopelagic and amphidromous goby which is found in clear to turbid streams with rock, gravel, or sandy substrates.

Unusually for a goby this species is commercially exploited, possibly due to its large size, and sold fresh or frozen.