Pacific grenadier

Coryphaenoides acrolepis

Fish
IUCN: Not evaluated

Usual depth673–1,278 m
Water temperature2–21 °C
Best monthsAugust and September
How commonOccasional

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 21 records
February: 15 records
March: 8 records
April: 98 records
May: 43 records
June: 50 records
July: 46 records
August: 1,227 records
September: 2,041 records
October: 79 records
November: 14 records
December: 7 records

Depth and water temperature

Depth

Mostly recorded at 673–1,278 m · Deepest record: 4,256 m

0–10 m: 77 records
10–20 m: 0 records
20–30 m: 0 records
30–40 m: 0 records
40–50 m: 1 records
50–60 m: 0 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 0 records
100–110 m: 0 records
110+ m: 2,394 records

Water temperature

Recorded in surface water of 2–21 °C

2–4 °C: 8 records
4–6 °C: 13 records
6–8 °C: 10 records
8–10 °C: 799 records
10–12 °C: 31 records
12–14 °C: 18 records
14–16 °C: 18 records
16–18 °C: 4 records
18–20 °C: 1 records
20–22 °C: 2 records

Names and classification

English: Pacific grenadier, Roughscale rattail, Roughscale Grenadier, roughscale rattail

Names in 2 more languages

French: grenadier à écailles rudes
Japanese: Ibarahige, イバラヒゲ

Other scientific names: Bogoslovius firmisquamis, Coryphaenoides bonanox, Coryphaenoides bona-nox, Coryphaenoides firmisquamis, Hemimacrurus acrolepis, Macrourus acrolepis, Macrourus firmisquamis, Macrurus acrolepis, Macrurus firmisquamis, Nematonurus acrolepis

Similar species

Serrulate Rattail
Coryphaenoides serrulatus
Four-rayed Rattail
Coryphaenoides subserrulatus
Abyssal grenadier
Coryphaenoides armatus
Popeye
Coryphaenoides cinereus
Humpback Whiptail
Coryphaenoides dossenus
Abyssal Rattail
Coryphaenoides murrayi

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.
Conservation status as published by GBIF (IUCN Red List).
4,150 open-data records from 1888 to 2023.
Species data updated November 1, 2026.

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