Eyebrow Bigscale

Melamphaes longivelis

Fish
IUCN: Data deficient

Usual depth150–1,412 m
Water temperature10–29 °C
Best monthsMarch and August
How commonRare

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 4 records
February: 4 records
March: 7 records
April: 4 records
May: 2 records
June: 2 records
July: 0 records
August: 6 records
September: 3 records
October: 2 records
November: 3 records
December: 0 records

Depth and water temperature

Depth

Mostly recorded at 150–1,412 m · Deepest record: 2,000 m

90–100 m: 1 records
100–110 m: 0 records
110–120 m: 0 records
120–130 m: 1 records
130–140 m: 0 records
140–150 m: 1 records
150–160 m: 2 records
160–170 m: 0 records
170–180 m: 2 records
180–190 m: 0 records
190–200 m: 1 records
200+ m: 27 records

Water temperature

Recorded in surface water of 10–29 °C

8–10 °C: 1 records
10–12 °C: 5 records
12–14 °C: 0 records
14–16 °C: 3 records
16–18 °C: 3 records
18–20 °C: 2 records
20–22 °C: 4 records
22–24 °C: 19 records
24–26 °C: 0 records
26–28 °C: 4 records
28–30 °C: 1 records

Names and classification

English: Eyebrow Bigscale, Ridgehead

Names in 1 more languages

Japanese: Marukabutoo, マルカブトウオ

Similar species

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).
115 open-data records from 1955 to 2016.
Species data updated November 4, 2026.

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