Twinspot Grouper

Epinephelus bilobatus

The Twinspot Grouper, known scientifically as Epinephelus bilobatus, is a reef-associated fish that inhabits the waters around northwestern Australia and West Papua, Indonesia. Divers can find this species in coral reefs and rocky bottoms, thriving at depths between 4 and 50 meters. Its appearance is marked by a greyish-brown body adorned with hexagonal brown spots, and it can reach a maximum length of 33 cm. A distinctive feature of this grouper is the presence of 2-3 dark bilobed spots at the base of its dorsal fin, along with a white stripe on its back. This species can often be confused with other 'reticulated groupers' due to similar morphological features, but its unique pattern of spots and the structure of its fins help in identification. Conservation-wise, the Twinspot Grouper is listed as Least Concern on the IUCN Red List. Divers encountering this species can expect a peaceful experience, as it is not known to be aggressive. Observing this fish in its natural habitat provides a glimpse into the diverse marine life supported by coral reef ecosystems.