Thai National Parks

Species of Thailand

Potato cod

Epinephelus tukula

Morgans, 1959

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, including Malaysia. 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 inqusitive, and on rare occasions, large individuals may be aggressive.


Epinephelus tukula is not a common species where fishing is known to occur, but may be more common in unfished areas. The species is patchy over its range and highly localized. Very rare in Japan.

Epinephelus tukula is a widely distributed Indo-Pacific species. It can be found in the Red Sea, Pakistan, southern Oman, Somalia, Socotra (Yemen), Kenya, Tanzania, Madagascar, Mozambique, KwaZulu-Natal (South Africa), some western Indian Ocean islands (Seychelles, Mauritius, Réunion), west coast of India, Sri Lanka, Indonesia (Flores and Bali -Nusa Penida, Solomon Islands, excluding Irian-Jaya), the northwest Australian shelf, Great Barrier Reef, Christmas Island, Coral Sea, Osprey Reef, Papua New Guinea, Taiwan, southern Japan, Paracel Islands, Pratas Reef, and the East African coast from the Red Sea south to Aliwal Shoal 30°S (South Africa).

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Scientific classification

Epinephelus tukula

Common names

  • English:
    • Grouper
    • Potato bass
    • Potato cod
    • Potato grouper
  • Spanish: Mero patata
  • French: Merou patate


  • Epinephelus tukula, Morgans (1959)
  • Serranus dispara, Robert Lambert Playfair (1867)
  • Serranus fuscoguttatus, non Peter Forsskål (1775)
  • Epinephelus fuscoguttatus, non Peter Forsskål (1775)

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)


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Potato cod

Range Map

Distribution map of Potato cod, Epinephelus tukula in Thailand
  • Similan Islands
  • Tarutao National Marine Park
Range map of Epinephelus tukula in Thailand