Glossogobius giuris is a goby

Goby

The gobies form the family Gobiidae, which is one of the largest families of fish, with more than 2,000 species in more than 200 genera. Most are relatively small, typically less than 10 cm in length...

 of the Gobiidae family, available in the Bay of Bengal

Bay of Bengal

The Bay of Bengal , the largest bay in the world, forms the northeastern part of the Indian Ocean. It resembles a triangle in shape, and is bordered mostly by the Eastern Coast of India, southern coast of Bangladesh and Sri Lanka to the west and Burma and the Andaman and Nicobar Islands to the...

. It is said to be the largest of the Gobiinae

Gobiinae

Gobiinae, the true gobies, are a subfamily of the goby family . They are found in all oceans and a few rivers and lakes, but most live in warm waters...

species.

Appearance, Size and Colouration

The head is depressed while the body takes on a compressed appearance towards to caudal fin. Normally brown or light brown with various darker brown spots and fleacks along the sides. Ranges in size from 40 to 50cm maximum (16-20 inches).

Distribuation and Habitat

Occurs in tropical and subtropical fresh, bracish and marine waters along the East coast of Africa, Southern Asia (including India), South-East Asia with its associated islands, as well as Northern Australia.
This 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.

Reproduction

Lays eggs amongst submerged vegetation, where the eggs are guared by both the male and the female.