Glancefish

Lampris guttatus

Fish
IUCN: Least concern

Usual depth46–480 m
Water temperature6–29 °C
Best monthsAugust
How commonRare

Photo credit: (c) Rvalette, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist

About this species

Lampris guttatus, commonly known as the opah, cravo, moonfish, kingfish, and Jerusalem haddock, is a large, colorful, deep-bodied pelagic lampriform fish belonging to the family Lampridae, which comprises the genus Lampris.

Text from the Wikipedia article “Lampris guttatus”, 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: 1 records
February: 0 records
March: 2 records
April: 1 records
May: 1 records
June: 2 records
July: 4 records
August: 8 records
September: 2 records
October: 4 records
November: 2 records
December: 1 records

Depth and water temperature

Depth

Mostly recorded at 46–480 m · Deepest record: 5,057 m

0–10 m: 2 records
10–20 m: 0 records
20–30 m: 1 records
30–40 m: 0 records
40–50 m: 1 records
50–60 m: 1 records
60–70 m: 0 records
70–80 m: 1 records
80–90 m: 0 records
90–100 m: 1 records
100–110 m: 0 records
110+ m: 26 records

Water temperature

Recorded in surface water of 6–29 °C

4–6 °C: 1 records
6–8 °C: 16 records
8–10 °C: 5 records
10–12 °C: 26 records
12–14 °C: 17 records
14–16 °C: 12 records
16–18 °C: 18 records
18–20 °C: 8 records
20–22 °C: 5 records
22–24 °C: 4 records
24–26 °C: 7 records
26–28 °C: 35 records
28–30 °C: 17 records

Photos

Names and classification

English: Glancefish, Jerusalem haddock, Kingfish, Moonfish, Opah, Spotted opah, Arokura, Cravo, Glacefish, Gudlax, Mariposa, Mariposa Fish, moonfish, North Atlantic Opah, Ocean Moonfish, opah, Opah or moonfish, Opal Fish, San Pedrofish, Spotted Moonfish, sunfish, Sunfish

Names in 5 more languages

German: Glanzfisch, Gotteslachs, Mondfisch
Spanish: Epromar, luna real, Luna real, Mariposa, Opa, opah, pez mariposa, Pez Sol
French: lampris, Lampris, Lampris royal, Opa, opah, Opah, Lampris, poisson lune, Poisson-lune, poisson royal, Poisson royal, Saumon des Dieux
Japanese: Akamanbô, Mandal, アカマンボウ
Simplified Chinese: 斑點月魚, 月魚, 紅皮刀, 花點三角仔

Other scientific names: Lampris lauta, Lampris luna, Lampris regius, Scomber gunneri, Scomber pelagicus, Zeus guttatus, Zeus imperialis, Zeus luna, Zeus regius, Zeus stroemii

Similar species

Bigeye Opah
Lampris megalopsis

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).
187 open-data records from 1788 to 2024.
Species data updated November 3, 2026.

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