double-band surgeonfish
Acanthurus tennentii
- Usual depth8–30 m
- Water temperature23–29 °C
- Best monthsFebruary and March
- How commonOccasional
About this species
The doubleband surgeonfish or lieutenant tang is a marine ray-finned fish in the family Acanthuridae. It is found in tropical and sub-tropical Indo-Pacific regions and can grow to be up to 50 cm (19.7") long.
Text from the Wikipedia article “Doubleband surgeonfish”, 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: 3 records
- February: 127 records
- March: 177 records
- April: 38 records
- May: 2 records
- June: 3 records
- July: 7 records
- August: 2 records
- September: 2 records
- October: 2 records
- November: 6 records
- December: 0 records
Depth and water temperature
Depth
Mostly recorded at 8–30 m · Deepest record: 39.5 m
Water temperature
Recorded in surface water of 23–29 °C
Names and classification
- English
- double-band surgeonfish, Doubleband surgeonfish, Lieutenant Surgeonfish
Names in 2 more languages
- Spanish
- Sangrador Herradura
- French
- Chirurgien fer à cheval
Other scientific names: Acanthurus bicommatus, Acanthurus plagiatus, Acanthurus tennenti
Similar species
Eyestripe surgeonfishAcanthurus dussumieri
Lined surgeonfishAcanthurus lineatus
BacksurgeonfishAcanthurus nigricans
Brown surgeonfishAcanthurus nigrofuscus
Bluelined surgeonfishAcanthurus nigroris
Gendarme FishAcanthurus olivaceus
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).
- 606 open-data records from 1861 to 2023.
Log what you see on your next dive
The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.