Oneknife unicornfish
Naso thynnoides
- Usual depth7–35 m
- Water temperature26–30 °C
- Best monthsMarch and June
- How commonRare
About this species
Naso thynnoides, the oneknife unicornfish, oneknife unicorn, thunny unicornfish, singlespine unicornfish, one-spine unicorn, or barred unicornfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This species is found in the Indo-Pacific.
Text from the Wikipedia article “Naso thynnoides”, 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: 9 records
- March: 18 records
- April: 5 records
- May: 2 records
- June: 14 records
- July: 3 records
- August: 1 records
- September: 5 records
- October: 2 records
- November: 1 records
- December: 0 records
Depth and water temperature
Depth
Mostly recorded at 7–35 m · Deepest record: 65 m
Water temperature
Recorded in surface water of 26–30 °C
Names and classification
- English
- Oneknife unicornfish, Barred Unicornfish, Barred Unicornfish, Oneknife unicornfish, oneknife unicorn, oneknife unicornfish, One-spine Unicorn, Singlespine Unicornfish, Thunny Unicornfish
Names in 2 more languages
- French
- Nason à rayures
- Japanese
- Bozuhagi, Bôzuhagi, ボウズハギ
Other scientific names: Axinurus thynnoides, Naso thynoides
Similar species
- Sleek unicornfish
Naso hexacanthus
- Orangespine unicornfish
Naso lituratus
- Blue-spine nosefish
Naso unicornis
- White margin unicornfish
Naso annulatus
- Humpback unicornfish
Naso brachycentron
- Spotted unicornfish
Naso brevirostris
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).
- 186 open-data records from 1829 to 2023.
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