Doublethread grenadier

Gadomus arcuatus

Fish
IUCN: Least concern

Usual depth732–1,182 m
Water temperature11–28 °C
Best monthsJuly and August
How commonRare

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 0 records
February: 2 records
March: 4 records
April: 1 records
May: 1 records
June: 4 records
July: 6 records
August: 7 records
September: 0 records
October: 0 records
November: 1 records
December: 2 records

Depth and water temperature

Depth

Mostly recorded at 732–1,182 m · Deepest record: 1,255 m

100–110 m: 1 records
110–120 m: 0 records
120–130 m: 0 records
130–140 m: 0 records
140–150 m: 0 records
150–160 m: 0 records
160–170 m: 0 records
170–180 m: 0 records
180–190 m: 0 records
190–200 m: 0 records
200–210 m: 0 records
210+ m: 22 records

Water temperature

Recorded in surface water of 11–28 °C

10–12 °C: 2 records
12–14 °C: 0 records
14–16 °C: 0 records
16–18 °C: 0 records
18–20 °C: 4 records
20–22 °C: 5 records
22–24 °C: 0 records
24–26 °C: 6 records
26–28 °C: 7 records
28–30 °C: 4 records

Names and classification

English: Doublethread grenadier

Names in 1 more languages

Japanese: ユミカタダラ

Other scientific names: Bathygadus arcuatus

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).
108 open-data records from 1952 to 2010.
Species data updated November 2, 2026.

Log what you see on your next dive

The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.

Join the waitlist