Pacific portholefish

Diplophos taenia

Fish
IUCN: Least concern

Usual depth25–890 m
Water temperature14–29 °C
Best monthsAugust, October, and November
How commonOccasional

All species

About this species

Diplophos taenia is a species of fish in the family Gonostomatidae.

Text from the Wikipedia article “Diplophos taenia”, 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: 28 records
February: 47 records
March: 7 records
April: 58 records
May: 9 records
June: 20 records
July: 27 records
August: 102 records
September: 70 records
October: 89 records
November: 117 records
December: 49 records

Depth and water temperature

Depth

Mostly recorded at 25–890 m · Deepest record: 3,272 m

0–10 m: 12 records
10–20 m: 2 records
20–30 m: 3 records
30–40 m: 0 records
40–50 m: 4 records
50–60 m: 13 records
60–70 m: 5 records
70–80 m: 4 records
80–90 m: 1 records
90–100 m: 2 records
100–110 m: 2 records
110+ m: 121 records

Water temperature

Recorded in surface water of 14–29 °C

14–16 °C: 7 records
16–18 °C: 17 records
18–20 °C: 45 records
20–22 °C: 51 records
22–24 °C: 77 records
24–26 °C: 127 records
26–28 °C: 114 records
28–30 °C: 67 records

Names and classification

English: Pacific portholefish, Warmseas Portholefish

Names in 2 more languages

Japanese: Nettaiyumehadaka, ネッタイユメハダカ
Simplified Chinese: 光魚, 帶紋雙光魚, 細雙光魚

Other scientific names: Diplophos proximus

Similar species

Portholefish
Diplophos australis
Oriental anglemouth
Diplophos orientalis
Rebain’s Portholefish
Diplophos rebainsi
Manducus greyae

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).
1,156 open-data records from 1927 to 2023.
Species data updated November 2, 2026.

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