Nansenia macrolepis
- Usual depth457–1,150 m
- Water temperature18–28 °C
- Best monthsJanuary and September
- How commonRare
About this species
Nansenia is a genus of pencil smelts.
Text from the Wikipedia article “Nansenia (fish)”, 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: 2 records
- February: 0 records
- March: 0 records
- April: 0 records
- May: 0 records
- June: 1 records
- July: 0 records
- August: 0 records
- September: 2 records
- October: 1 records
- November: 0 records
- December: 1 records
Depth and water temperature
Depth
Mostly recorded at 457–1,150 m · Deepest record: 1,150 m
Water temperature
Recorded in surface water of 18–28 °C
Names and classification
Other scientific names: Bathymacrops macrolepis
Similar species
- Robust Smallmouth
Nansenia ardesiaca
- Longtail Pencilsmelt
Nansenia longicauda
- Slender Smallmouth
Microstoma australis
- Slender argentine
Microstoma microstoma
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).
- 18 open-data records from 1920 to 2007.
- Species data updated November 4, 2026.
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