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Gilbert & Cramer's bristle-mouth fish

Argyripnus ephippiatus

  • Fish
  • IUCN: Least concern
  • Usual depth400–503 m
  • Water temperature25–29 °C
  • Best monthsNovember
  • How commonRare
All species

About this species

Argyripnus ephippiatus, commonly known as Gilbert & Cramer's bristle-mouth fish, is a species of ray-finned fish in the genus Argyripnus found in the Pacific Ocean. This species reaches a length of 8.9 cm (3.5 in).

Text from the Wikipedia article “Argyripnus ephippiatus”, 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: 0 records
  • February: 1 records
  • March: 0 records
  • April: 0 records
  • May: 0 records
  • June: 0 records
  • July: 2 records
  • August: 0 records
  • September: 0 records
  • October: 1 records
  • November: 7 records
  • December: 1 records

Depth and water temperature

Depth

Mostly recorded at 400–503 m · Deepest record: 539 m

  • 390–400 m: 1 records
  • 400–410 m: 2 records
  • 410–420 m: 3 records
  • 420–430 m: 2 records
  • 430–440 m: 0 records
  • 440–450 m: 0 records
  • 450–460 m: 0 records
  • 460–470 m: 0 records
  • 470–480 m: 0 records
  • 480–490 m: 2 records
  • 490–500 m: 0 records
  • 500+ m: 2 records

Water temperature

Recorded in surface water of 25–29 °C

  • 24–26 °C: 8 records
  • 26–28 °C: 2 records
  • 28–30 °C: 5 records

Names and classification

English
Gilbert & Cramer's bristle-mouth fish, Gilbert & Cramer's Bristlemouth, Saddled Pearlside
Names in 1 more languages
Japanese
Omeukieso, オオメウキエソ

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.
  • Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
  • Conservation status as published by GBIF (IUCN Red List).
  • 19 open-data records from 1891 to 2007.
  • Species data updated October 26, 2026.

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