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Lined bristletooth

Ctenochaetus striatus

  • Fish
  • IUCN: Least concern
  • Usual depth4–18 m
  • Water temperature25–30 °C
  • Best monthsMarch, April, and May
  • How commonCommon
All species

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

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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

  • 0–10 m: 14,913 records
  • 10–20 m: 7,132 records
  • 20–30 m: 1,836 records
  • 30–40 m: 49 records
  • 40–50 m: 5 records
  • 50–60 m: 1 records
  • 60–70 m: 1 records

Water temperature

Recorded in surface water of 25–30 °C

  • 24–26 °C: 24 records
  • 26–28 °C: 128 records
  • 28–30 °C: 675 records

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

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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