Pennant coralfish

Heniochus acuminatus

Fish
IUCN: Least concern

Usual depth6–90 m
Water temperature14–30 °C
Best monthsAugust, September, and October
How commonOccasional

About this species

The pennant coralfish, also known as the longfin bannerfish, reef bannerfish or coachman, is a species of fish of the family Chaetodontidae, native to the Indo-Pacific area.

Text from the Wikipedia article “Pennant coralfish”, 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: 22 records
February: 37 records
March: 29 records
April: 25 records
May: 44 records
June: 26 records
July: 25 records
August: 90 records
September: 118 records
October: 94 records
November: 32 records
December: 26 records

Depth and water temperature

Depth

Mostly recorded at 6–90 m · Deepest record: 137.5 m

0–10 m: 122 records
10–20 m: 62 records
20–30 m: 123 records
30–40 m: 58 records
40–50 m: 17 records
50–60 m: 7 records
60–70 m: 4 records
70–80 m: 23 records
80–90 m: 32 records
90–100 m: 81 records
100–110 m: 5 records
110+ m: 1 records

Water temperature

Recorded in surface water of 14–30 °C

12–14 °C: 1 records
14–16 °C: 0 records
16–18 °C: 0 records
18–20 °C: 0 records
20–22 °C: 7 records
22–24 °C: 32 records
24–26 °C: 77 records
26–28 °C: 36 records
28–30 °C: 39 records

Names and classification

English: Pennant coralfish, Bannerfish, Coachman, featherfin bullfish, Featherfin Coralfish, Longfin Bannerfish, Longfin Bannerfish, Pennant coralfish, Pannant Coralfish, Pennant Bannerfish, pennant coralfish, Pennant Coral Fish, Reef Bannerfish, Wimple Fish

Names in 3 more languages

German: Wimpelfisch
French: Cocher, Cocher solitaire, Garnaison, Hénioche commun, Pavillon, Poisson cocher commun, Taurillon à longue nageoire
Japanese: Hatatatedai, ハタタテダイ

Other scientific names: Chaetodon acuminatus, Chaetodon bifasciatus, Chaetodon macrolepidotus, Chaetodon mycteryzans, Heniochus accuminatus, Heniochus macrolepidotus, Taurichthys macrolepidotus

Similar species

Horned Bannerfish
Heniochus varius
Horned Bannerfish
Heniochus chrysostomus
Pennantfish
Heniochus diphreutes
Masked bannerfish
Heniochus monoceros
Philippine Kabubu
Heniochus singularius
Indian bannerfish
Heniochus pleurotaenia

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).
1,922 open-data records from 1917 to 2025.

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