Japanese butterfish

Hyperoglyphe japonica

Fish
IUCN: Not evaluated

Usual depth0–521 m
Water temperature14–24 °C
Best monthsMay
How commonRare

All species

Photo credit: (c) anonymous, 일부 권리 보유 (CC BY-SA) · CC BY-SA · iNaturalist

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 0 records
February: 1 records
March: 0 records
April: 0 records
May: 7 records
June: 1 records
July: 0 records
August: 4 records
September: 3 records
October: 4 records
November: 0 records
December: 1 records

Depth and water temperature

Depth

Mostly recorded at 0–521 m · Deepest record: 715 m

0–10 m: 2 records
10–20 m: 0 records
20–30 m: 0 records
30–40 m: 0 records
40–50 m: 0 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: 12 records

Water temperature

Recorded in surface water of 14–24 °C

14–16 °C: 2 records
16–18 °C: 1 records
18–20 °C: 3 records
20–22 °C: 5 records
22–24 °C: 19 records

Names and classification

English: Japanese butterfish, Pacific barrelfish, japanese butterfish

Names in 2 more languages

Japanese: Medai, メダイ
Simplified Chinese: 日本櫛鯧, 水母鯧

Other scientific names: Centrolophus japonicus

Similar species

Antarctic butterfish
Hyperoglyphe antarctica
Barrelfish
Hyperoglyphe perciformis
Black fish
Centrolophus niger
Medusafish
Icichthys lockingtoni
Southern driftfish
Icichthys australis

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).
63 open-data records from 1900 to 2009.
Species data updated November 3, 2026.

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