Longfin grouper

Epinephelus quoyanus

Fish
IUCN: Least concern

Usual depth1–37 m
Water temperature18–29 °C
Best monthsMay, September, and October
How commonOccasional

About this species

The longfin grouper, also known as the longfin rockcod, bar-breasted rock-cod, Gilbert's rock-cod, honeycomb rockcod, spotted groper or wirenet cod, is a species of marine ray-finned fish, a grouper from the subfamily Epinephelinae which is part of the family Serranidae, which also includes the anthias and sea basses. It is found in the Western Pacific Ocean.

Text from the Wikipedia article “Longfin 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: 20 records
February: 23 records
March: 21 records
April: 18 records
May: 60 records
June: 27 records
July: 15 records
August: 46 records
September: 63 records
October: 55 records
November: 47 records
December: 21 records

Depth and water temperature

Depth

Mostly recorded at 1–37 m · Deepest record: 85 m

0–10 m: 74 records
10–20 m: 12 records
20–30 m: 38 records
30–40 m: 45 records
40–50 m: 11 records
50–60 m: 1 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 2 records

Water temperature

Recorded in surface water of 18–29 °C

18–20 °C: 1 records
20–22 °C: 1 records
22–24 °C: 7 records
24–26 °C: 65 records
26–28 °C: 126 records
28–30 °C: 68 records

Names and classification

English: Longfin grouper, Bar-breasted Rock-cod, Barred-chest Rock-cod, Gilbert's Rock-cod, Honeycomb Cod, Honeycomb Grouper, Honeycomb Rockcod, Longfin Cod, longfin grouper, Long-finned Cod, Long-finned Grouper, long-finned rock-cod, Long-finned Rock Cod, Long Finned Rock Cod, Longfin Rockcod, Rockcod, Rockfish Grouper, Spotted Groper, Wirenet Cod

Names in 8 more languages

German: Bumerang-Wabenbarsch
Spanish: Mero Aleta Larga, Mero Leopardo
Filipino: Alatan, Kaltang, Kulapo, Lapu-lapung lupot, Lubo, Sigapo
French: Loche à longues nageoires, Mérou longues ailes
Japanese: Moyohata, モヨウハタ
Korean: 알락우럭
Thai: ปลากะรังเสือครีบยาว
Simplified Chinese: 深水鱠仔, 玳帽石斑, 玳瑁石斑魚, 玳瑁石斑鱼, 石斑, 花鱠, 鮨科, 黑貓鱠

Other scientific names: Cephalopholis megachir, Epinephelus gilberti, Epinephelus megachir, Epinephelus quoyans, Perca melanocelidota, Serranus alatus, Serranus carinatus, Serranus gilberti, Serranus megachir, Serranus pardalis, Serranus quoyanus

Similar species

Blacktip grouper
Epinephelus fasciatus
Honeycomb grouper
Epinephelus merra
Areolate grouper
Epinephelus areolatus
Garrupa
Epinephelus coeruleopunctatus
Orange-spotted grouper
Epinephelus coioides
Brown-marbled grouper
Epinephelus fuscoguttatus

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).
1,075 open-data records from 1846 to 2023.

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