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Eel Pearlfish

Eurypleuron owasianum

  • Fish
  • IUCN: Data deficient
  • Usual depth378–751 m
  • Water temperature20–26 °C
  • Best monthsApril and December
  • How commonRare
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About this species

Eurypleuron is a monotypic genus of pearlfishes, family Carapidae. It contains only Eurypleuron owasianum, the eel pearlfish, which is a moderately sized fish reaching 22–24 cm (8.7–9.4 in) total length, found in the Southern Indian and Pacific Oceans.

Text from the Wikipedia article “Eurypleuron”, 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: 0 records
  • March: 0 records
  • April: 4 records
  • May: 1 records
  • June: 1 records
  • July: 2 records
  • August: 1 records
  • September: 0 records
  • October: 0 records
  • November: 2 records
  • December: 4 records

Depth and water temperature

Depth

Mostly recorded at 378–751 m · Deepest record: 751 m

  • 370–380 m: 2 records
  • 380–390 m: 1 records
  • 390–400 m: 2 records
  • 400–410 m: 1 records
  • 410–420 m: 0 records
  • 420–430 m: 0 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+ m: 2 records

Water temperature

Recorded in surface water of 20–26 °C

  • 20–22 °C: 11 records
  • 22–24 °C: 1 records
  • 24–26 °C: 6 records

Names and classification

English
Eel Pearlfish
Names in 2 more languages
Japanese
Sokokakureuo, ソコカクレウオ
Simplified Chinese
底隱魚, 日本突吻潛魚, 日本突吻隱魚, 隱魚

Other scientific names: Carapus owasianus, Echiodon owasianus

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).
  • 21 open-data records from 1968 to 2005.
  • Species data updated November 2, 2026.

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