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Dysommina rugosa

  • Fish
  • IUCN: Least concern
  • Usual depth329–786 m
  • Water temperature25–30 °C
  • Best monthsMay and November
  • How commonRare
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About this species

Dysommina rugosa is an eel in the family Synaphobranchidae. It was described by Isaac Ginsburg in 1951. It is a marine, deep water-dwelling eel which is known from the western Atlantic and eastern central Pacific Ocean. It dwells at a depth range of 260–775 metres, and is found off the continental slope. Males can reach a maximum total length of 37 centimetres.

Text from the Wikipedia article “Dysommina rugosa”, 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: 1 records
  • February: 2 records
  • March: 1 records
  • April: 1 records
  • May: 4 records
  • June: 2 records
  • July: 1 records
  • August: 2 records
  • September: 0 records
  • October: 2 records
  • November: 6 records
  • December: 1 records

Depth and water temperature

Depth

Mostly recorded at 329–786 m · Deepest record: 4,200 m

  • 300–310 m: 1 records
  • 310–320 m: 0 records
  • 320–330 m: 2 records
  • 330–340 m: 1 records
  • 340–350 m: 1 records
  • 350–360 m: 0 records
  • 360–370 m: 0 records
  • 370–380 m: 0 records
  • 380–390 m: 0 records
  • 390–400 m: 1 records
  • 400–410 m: 0 records
  • 410+ m: 15 records

Water temperature

Recorded in surface water of 25–30 °C

  • 24–26 °C: 5 records
  • 26–28 °C: 12 records
  • 28–30 °C: 7 records

Names and classification

Names in 2 more languages
Japanese
Nise-mekura-anago, スルガアナゴ
Simplified Chinese
合鰓鰻, 多皺短身前肛鰻, 多皺短身擬前肛鰻, 後肛鰻

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).
  • 94 open-data records from 1879 to 2004.
  • Species data updated November 2, 2026.

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