Acentrogobius dayi

Acentrogobius dayi, also known as Day's goby, is a species of goby found in the western Indian Ocean from the Persian Gulf to Pakistan. It is also found in brackish and freshwater streams of south-western Asia.

Description
This species reaches a length of 11.0 cm.

Etymology
The fish is named in honor of Francis Day (1829-1889), the Inspector-General of Fisheries in India,