Deepwater Triplefin
Matanui profundum
- Usual depth14–110 m
- Water temperature11–18 °C
- Best monthsMarch, September, and November
- How commonRare
About this species
The deepwater triplefin is a species of triplefin blenny in the genus Matanui. It was described by Ronald Fricke and Clive D. Roberts in 1994. This species is found around the North Island, Auckland Islands and Chatham Islands at depths between 9 and 550 metres.
Text from the Wikipedia article “Deepwater triplefin”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 0 records
- February: 0 records
- March: 1 records
- April: 0 records
- May: 0 records
- June: 0 records
- July: 0 records
- August: 0 records
- September: 1 records
- October: 0 records
- November: 1 records
- December: 0 records
Depth and water temperature
Depth
Mostly recorded at 14–110 m · Deepest record: 110 m
Water temperature
Recorded in surface water of 11–18 °C
Names and classification
- English
- Deepwater Triplefin, Yellowtail Triplefin
Other scientific names: Forsterygion profundum
Similar species
Aotearoa TriplefinBellapiscis medius
Blackthroat TriplefinEnneapterygius atrogulare
Black-cheek ThreefinEnneapterygius rufopileus
Highfin ThreefinEnneapterygius tutuilae
Common ThreefinForsterygion lapillum
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).
- 11 open-data records from 1966 to 1995.
- Species data updated November 4, 2026.
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