Rebain’s Portholefish

Diplophos rebainsi

Fish
IUCN: Least concern

Usual depth30–710 m
Water temperature3–28 °C
Best monthsApril and May
How commonRare

About this species

Diplophos rebainsi, Rebains' portholefish, is a bristlemouth of the family Gonostomatidae, found in the south-east and west Pacific, and the South Atlantic oceans.

Text from the Wikipedia article “Diplophos rebainsi”, 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: 8 records
February: 7 records
March: 7 records
April: 34 records
May: 24 records
June: 7 records
July: 3 records
August: 0 records
September: 1 records
October: 1 records
November: 4 records
December: 4 records

Depth and water temperature

Depth

Mostly recorded at 30–710 m · Deepest record: 1,390 m

10–20 m: 7 records
20–30 m: 0 records
30–40 m: 3 records
40–50 m: 4 records
50–60 m: 9 records
60–70 m: 3 records
70–80 m: 0 records
80–90 m: 1 records
90–100 m: 0 records
100–110 m: 3 records
110–120 m: 1 records
120+ m: 55 records

Water temperature

Recorded in surface water of 3–28 °C

2–4 °C: 45 records
4–6 °C: 7 records
6–8 °C: 6 records
8–10 °C: 1 records
10–12 °C: 13 records
12–14 °C: 10 records
14–16 °C: 20 records
16–18 °C: 8 records
18–20 °C: 0 records
20–22 °C: 1 records
22–24 °C: 0 records
24–26 °C: 0 records
26–28 °C: 1 records

Names and classification

English: Rebain’s Portholefish, Rebains' Portholefish

Names in 1 more languages

French: Grand gonostome

Similar species

Pacific portholefish
Diplophos taenia
Portholefish
Diplophos australis
Oriental anglemouth
Diplophos orientalis

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).
178 open-data records from 1971 to 2020.
Species data updated November 2, 2026.

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