Bridled Trigger

Sufflamen fraenatum

Fish
IUCN: Least concern

Usual depth10–60 m
Water temperature20–30 °C
Best monthsAugust, September, and October
How commonOccasional

About this species

The masked triggerfish is a species of triggerfish usually found living in coastal reefs or in lagoons. The range of depths where these triggerfish can live varies from 8 to 186 m.

Text from the Wikipedia article “Masked triggerfish”, 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: 77 records
February: 105 records
March: 37 records
April: 87 records
May: 116 records
June: 225 records
July: 438 records
August: 709 records
September: 473 records
October: 498 records
November: 166 records
December: 45 records

Depth and water temperature

Depth

Mostly recorded at 10–60 m · Deepest record: 325 m

0–10 m: 282 records
10–20 m: 1,169 records
20–30 m: 797 records
30–40 m: 160 records
40–50 m: 94 records
50–60 m: 102 records
60–70 m: 73 records
70–80 m: 87 records
80–90 m: 86 records
90–100 m: 29 records
100–110 m: 8 records
110+ m: 11 records

Water temperature

Recorded in surface water of 20–30 °C

20–22 °C: 4 records
22–24 °C: 29 records
24–26 °C: 537 records
26–28 °C: 72 records
28–30 °C: 54 records

Names and classification

English: Bridled Trigger, Bridled triggerfish, Bridle Triggerfish, Masked File Fish, masked triggerfish

Names in 3 more languages

Spanish: Calafate Mascarilla
French: Baliste bridé, Baliste masqué, Bourse
Japanese: Meganehagi, メガネハギ

Other scientific names: Balistes capistratus, Balistes fraenatus, Balistes mitis, Sufflamen capistratus, Sufflamen fraenatus, Sufflamen freanatus, Sufflamen frenatus

Similar species

Black Triggerfish
Sufflamen chrysopterum
Boomerang triggerfish
Sufflamen bursa
Flat-tailed Trigger-fish
Abalistes stellatus
Orange-lined triggerfish
Balistapus undulatus
Rough triggerfish
Canthidermis maculata
Black durgon
Melichthys niger

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).
3,703 open-data records from 1804 to 2025.

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