Common name: honeycomb grouper

General information

The Honeycomb Grouper, scientifically known as Epinephelus merra, is a small species of grouper that is popular among saltwater aquarium enthusiasts. It is known for its distinctive honeycomb-like pattern across its body, which provides excellent camouflage against the reef. This species is relatively hardy and can be a good choice for a fish-only or a reef aquarium with larger inhabitants.

Care

Honeycomb Groupers require an aquarium with plenty of live rock for hiding and hunting. They are predatory fish and will eat smaller tank mates, so they should only be housed with larger fish that they cannot prey upon. A varied diet of meaty foods such as shrimp, squid, and fish is essential for their health. Caution should be taken when introducing them to a reef tank as they may nip at small invertebrates or corals.

Reproduction

In the wild, groupers are protogynous hermaphrodites, meaning they start life as females and can change to males as they mature. Breeding in captivity is rare, but environmental cues such as changes in water temperature and lighting can trigger spawning behavior.

Habitat

Epinephelus merra is found in the Indo-Pacific region, from the Red Sea and East Africa to the central Pacific. They prefer shallow, tropical coral reefs and can be found at depths of up to 40 meters. Their natural habitat includes reef flats, lagoons, and seaward reefs where they can blend into the complex reef structure.