Ilyophis nigeli
- Usual depth670–974 m
- Water temperature9–18 °C
- Best monthsJuly
- How commonOccasional
About this species
Ilyophis nigeli is an eel in the family Synaphobranchidae. It was described by Yuri Nikolaevich Shcherbachev and Kenneth J. Sulak in 1997. It is a marine, deep water-dwelling eel which is known from Japan, in the northwestern Pacific Ocean. It is known to dwell at a depth range of 700 to 1,800 metres. Males can reach a maximum total length of 51.3 centimetres (20.2 in).
Text from the Wikipedia article “Ilyophis nigeli”, 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: 2 records
- May: 2 records
- June: 9 records
- July: 58 records
- August: 0 records
- September: 5 records
- October: 22 records
- November: 15 records
- December: 0 records
Depth and water temperature
Depth
Mostly recorded at 670–974 m · Deepest record: 1,981.5 m
Water temperature
Recorded in surface water of 9–18 °C
Names and classification
Names in 1 more languages
- Japanese
- Yukihoraanago, ユキホラアナゴ
Similar species
- Muddy Arrowtooth Eel
Ilyophis brunneus
Kaup's arrowtooth eelSynaphobranchus kaupii
- Basketwork eel
Diastobranchus capensis
- Parasitic eel
Simenchelys parasitica
- Grey cutthroat eel
Synaphobranchus affinis
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).
- 114 open-data records from 1978 to 2009.
- Species data updated November 3, 2026.
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