White-dotted grouper (Epinephelus polystigma)

Scientific name: Epinephelus polystigma Bleeker, 1853

The White-dotted grouper (Epinephelus polystigma) is a freshwater fish of the family Serranidae. Native range: Asia and Oceania, Indonesia, Philippines, Papua New Guinea, New Ireland, and the Solomon Islands.

Biology

Dorsal spines (total): 11; Dorsal soft rays (total): 15-16; Anal spines: 3; Anal soft rays: 8

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Epinephelus polystigma
Family: Serranidae (Sea basses: groupers and fairy basslets)
Order: Perciformes (Perch-like fish)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 38.0
Environment: Freshwater; brackish; demersal
Climate: Tropical
Distribution: Asia and Oceania: Indonesia, Philippines, Papua New Guinea, New Ireland, and the Solomon Islands.
Conservation status (IUCN): Data deficient (DD), IUCN Grouper and Wrasse Specialist Group
Threat to humans: Harmless
Uses: Fisheries: subsistence fisheries
Resilience: Medium, minimum population doubling time 1.4 - 4.4 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