Redmouth Grouper (Epinephelus redmouth)

Fish in the family Serranidae. Expert care. Not Reef Safe.

Redmouth Grouper

Quick facts

Scientific nameEpinephelus redmouth
FamilySerranidae
Care levelExpert
Reef safetyNot Reef Safe
TemperamentAggressive
Dietcarnivore
Adult size47 in
Minimum tank size180 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.4 Salinity: 1.02-1.026
Feeding schedule2-3 times daily

Appearance

The Redmouth Grouper is a large grouper with a stocky body, typically displaying brown, tan, or reddish coloration with darker blotches or mottling. The mouth interior is distinctively red, which gives the species its common name. It has a robust head and rounded body typical of the Serranidae family.

Diet and feeding

Feed live or frozen meaty foods including fish, crustaceans, and squid. This is an opportunistic nocturnal predator that should be fed 2–3 times daily with appropriately sized portions.

Difficulty and care for the Redmouth Grouper

The Redmouth Grouper is suitable only for experienced aquarists with large, well-established systems. It requires substantial tank space, careful feeding management, and isolation from smaller fish and crustaceans, which it will consume.

Common health issues

Parasitic infections, bacterial infections, jaw deformities, capture stress

Origin and habitat

Indo-Pacific region, including the Red Sea, East Africa, and extending eastward through the Indian Ocean and into the Western Pacific to the Philippines and Indonesia.

Log Redmouth Grouper in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Redmouth Grouper alongside everything else in your reef.