What is "potato cod"

n. (taxlink Epinephelus tukula species noshow=1), a large fish found in the tropical Indian and Pacific Oceans.

The Potato cod, Epinephelus tukula (also called potato grouper or potato bass) is a least concern fish as labeled by the IUCN Red List, and a native fish in Australia The Potato Cod is also a native to many other Asian countries. It can reach a length of 8.5 feet and can weigh as much as 110 kilograms (240 pounds). Although considered harmless, the Potato Rockcod is inquisitive, and on rare occasions, large individuals may be aggressive.