Blacktongue Rat Tail

Gadomus pepperi

Fish
IUCN: Not evaluated

Usual depth712–1,164 m
Water temperature16–29 °C
Best monthsNovember and December
How commonRare

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 3 records
February: 5 records
March: 1 records
April: 1 records
May: 1 records
June: 4 records
July: 4 records
August: 3 records
September: 0 records
October: 0 records
November: 17 records
December: 14 records

Depth and water temperature

Depth

Mostly recorded at 712–1,164 m · Deepest record: 1,600 m

590–600 m: 49 records

Water temperature

Recorded in surface water of 16–29 °C

14–16 °C: 2 records
16–18 °C: 19 records
18–20 °C: 6 records
20–22 °C: 4 records
22–24 °C: 7 records
24–26 °C: 5 records
26–28 °C: 7 records
28–30 °C: 3 records

Names and classification

English: Blacktongue Rat Tail, Captain Pepper

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).
142 open-data records from 1973 to 2022.
Species data updated November 2, 2026.

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