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Copyright © 2026 Ocean Park Hong Kong. All rights reserved.

Ocean Park Corporation is a charitable institution registered with Inland Revenue Department, Hong Kong (File No: 91/2801).

Ocean Park Hong Kong, 180 Wong Chuk Hang Road, Aberdeen, Hong Kong | Tel: (852) 3923 2323 | Fax: (852) 2873 5584

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  • Giant Grouper
Fish

Giant Grouper

Scientific Name

Epinephelus lanceolatus

Other Common Name(s)

Queensland Grouper, Brindle Grouper, Brindle Bass

Body Weight

Up to 400 kg

Body Length

Up to 2.7 m

Habitat

Coral reefs and shallow waters

Diet

Fish, crustaceans, and juvenile sea turtles

Fun Facts

  • Giant groupers are the largest bony fish in coral reefs. However, they grow slowly and may take decades to reach sexual maturity.

  • By protruding their large mouth, giant groupers create suction to swallow their prey whole.

Distribution

Indian Ocean to Western Pacific Ocean, including waters of Australia, China, Indonesia, and Tanzania. Native to Hong Kong

Threats & Conservation

Threats & Conservation

Threats

  • Overexploitation of Biological Resources

There is a high demand for giant groupers in the live reef food fish trade of Southeast Asia. Hong Kong is a major importer. Small individuals, which are sexually immature, are valued as delicacies and commonly sold in restaurants and markets. The gall bladders are also sought after as dietary supplement. Though many are now farmed in mariculture, some individuals are still caught from the wild. Intense fishing has nearly caused extirpation in certain regions.

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