
Lined bristletooth
Ctenochaetus striatus
- Usual depth4–18 m
- Water temperature25–30 °C
- Best monthsMarch, April, and May
- How commonCommon
Photo credit: (c) Gergely Nigg, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Ctenochaetus striatus, the striated surgeonfish, lined bristletooth, fine-lined bristletooth or striped bristletooth, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This species has a wide Indo-Pacific distribution.
Text from the Wikipedia article “Ctenochaetus striatus”, 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: 385 records
- February: 3,117 records
- March: 3,729 records
- April: 4,749 records
- May: 4,187 records
- June: 1,445 records
- July: 3,199 records
- August: 2,190 records
- September: 1,993 records
- October: 2,194 records
- November: 752 records
- December: 572 records
Depth and water temperature
Depth
Mostly recorded at 4–18 m · Deepest record: 60 m
Water temperature
Recorded in surface water of 25–30 °C
Photos

(c) Gergely Nigg, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Jan Ebr & Ivana Ebrová, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) agujaceratops, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Alex Sosnovshchenko, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Solomon Islands Fish ID Project, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Jan Ebr & Ivana Ebrová, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Darren Obbard, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Lined bristletooth, Striated surgeonfish, Bristle-toothed Surgeonfish, Fine-lined Bristletooth, lined bristletooth, Orange-dotted Bristletooth, striated surgeonfish, striped bristletooth, Striped Bristle-tooth
Names in 6 more languages
- German
- Brauner Borstenzahn-Doktorfisch, Gestreifter Borstenzahn-Doktorfisch, Längsstreifen-Borstenzahndoktor
- Spanish
- Cirujano Estriado, Pez Cirujano Estriado
- Filipino
- Labahita, Surahan
- French
- Chirurgien Noir, Chirurgien strié, Chirurgien strié, Chirurgien noir
- Japanese
- Sazanamihagi, サザナミハギ
- Simplified Chinese
- 漣紋櫛齒刺尾鯛
Other scientific names: Acanthurus argenteus, Acanthurus ctenodon, Acanthurus flavoguttatus, Acanthurus ketlitzii, Acanthurus kettlitzii, Acanthurus striatus, Acronurus argenteus, Ctenodon ctenodon, Ctenodon cuvierii
Similar species
Spotted surgeonfishCtenochaetus strigosus
Twospot surgeonfishCtenochaetus binotatus
Orange-tip BristletoothCtenochaetus tominiensis
Eyestripe surgeonfishAcanthurus dussumieri
Lined surgeonfishAcanthurus lineatus
BacksurgeonfishAcanthurus nigricans
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).
- 41,974 open-data records from 1825 to 2023.
- Species data updated October 26, 2026.
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