- Source: Thryssa dayi
Thryssa dayi, also known as Day's thryssa, is a species of ray-finned fish in the family Engraulidae. It is found in the western Indian Ocean.
Size
This species reaches a length of 21.5 cm (8.5 in).
Etymology
The fish is named in honor of Francis Day (1829–1889), the Inspector-General of Fisheries in India.