Redmouth grouper

About this species

The redmouth grouper, also known as the red-flushed rock cod, is a species of ray-finned fish, a grouper in the family Epinephelidae. It has a wide distribution in the Indian and Pacific Oceans. It is considered a game fish.

Text from the Wikipedia article “Redmouth grouper”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 118 records
February: 302 records
March: 344 records
April: 95 records
May: 151 records
June: 148 records
July: 47 records
August: 44 records
September: 122 records
October: 152 records
November: 318 records
December: 131 records

Depth and water temperature

Depth

Mostly recorded at 6–30 m · Deepest record: 94 m

0–10 m: 92 records
10–20 m: 233 records
20–30 m: 127 records
30–40 m: 53 records
40–50 m: 5 records
50–60 m: 1 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 1 records

Water temperature

Recorded in surface water of 25–30 °C

24–26 °C: 3 records
26–28 °C: 604 records
28–30 °C: 96 records

Photos

(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Cos, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Ben Costamagna, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Ben Costamagna, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Cos, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Storm Martin, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Redmouth grouper, Red-flushed Cod, Red-flushed Grouper, Red-flushed Rock-cod, Red-flushed Rockcod, Redmouth Groper, redmouth grouper, Redmouth Rockcod

Names in 5 more languages

German: Rotmaul-Zackenbarsch
French: Cabot gueule rouge, Vielle roga, Vieille roga, Vieille Rogaa, Vieille roga, Vieille Rogaa
Japanese: Kurohata, クロハタ
Thai: ปลากะรังเลือดนก
Simplified Chinese: 煙鱠, 煙鱸

Other scientific names: Aethaloperca rogan, Aethaloperca rogga, Aethaloperca rogoa, Aetheloperca rogaa, Aetholoperca rogaa, Athaloperca rogae, Cephalopholis rogaa, Perca lunaria, Perca rogaa

Similar species

Peacock grouper
Cephalopholis argus
Coral grouper
Cephalopholis miniata
Darkfin hind
Cephalopholis urodeta
Blacktip grouper
Epinephelus fasciatus
Honeycomb grouper
Epinephelus merra
Blacksaddled coralgrouper
Plectropomus laevis

Sources and credits

Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).

Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
Conservation status as published by GBIF (IUCN Red List).
1,919 open-data records from 1775 to 2023.
Species data updated October 26, 2026.