Oblique-banded grouper (Epinephelus radiatus)

Scientific name: Epinephelus radiatus Day, 1868

The Oblique-banded grouper (Epinephelus radiatus) is a marine fish of the family Serranidae. Native range: Indo-West Pacific, spotty distribution from the Red Sea to Japan and Papua New Guinea. Referred to as Epinephelus morrhua morrhua in Japan.

Biology

Dorsal spines (total): 11; Dorsal soft rays (total): 13-15; Anal spines: 3; Anal soft rays: 8

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Epinephelus radiatus
Family: Serranidae (Sea basses: groupers and fairy basslets)
Order: Perciformes (Perch-like fish)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 70.0
Depth range: 18–383 m (59–1257 ft)
Environment: Marine; demersal; depth range 18 - 383 m
Climate: Tropical
Distribution: Indo-West Pacific: spotty distribution from the Red Sea to Japan and Papua New Guinea. Referred to as Epinephelus morrhua morrhua in Japan.
Conservation status (IUCN): Least Concern (LC), IUCN Grouper and Wrasse Specialist Group
Threat to humans: Harmless
Uses: Fisheries: minor commercial
Resilience: Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

Last updated 27 September 2026