New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🌡️ Tropical

Largescale triggerfish

Canthidermis macrolepis Boulenger, 1888
Max Length
60 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
47.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Largescale triggerfish (Canthidermis macrolepis), first described by Boulenger, 1888 is a large fish in the family Balistidae (order Tetraodontiformes). Adults typically reach 60.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Canthidermis macrolepis
Authority
Boulenger, 1888
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
60 cm
Trophic Level
3.5
Resilience
Medium
Vulnerability
47.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 3; Dorsal soft rays (total): 23 - 26; Anal spines: 0; Anal soft rays: 21 - 23. Caudal fin of adults double emarginate with produced lobes; juveniles with rounded caudal fin.: short and / or deep.

🌀 Behaviour

Behavioural data for Largescale triggerfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; benthopelagic. Tropical West Pacific: Red Sea, Arabian Sea, northern South China Sea, Japan and Micronesia.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.5±0.48

📐 Morphometrics

Length–Weight Relationship: W = 0.02692 × L2.91 (TL)
Max TL
60cm
Dorsal Spines
3
Dorsal Rays
25
Anal Rays
22

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2022

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
47.00/100
Moderate-High vulnerability
Trophic Level
3.5
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Boulenger, 1888

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Large-scale Triggerfish · Largescale Triggerfish
🏳️Catalan Ballesta escamosa
🌍GLG Peixe porco escamoso
🇯🇵Japanese Bozumongara · ボウズモンガラ
🇵🇹Portuguese Cangulo-de-escamas-grandes
🇪🇸Spanish Ballesta escamoso

Scientific Synonyms

Scientific Name Author Year Status
Balistes macrolepis Boulenger 1888 Synonym
Canthidermis longirostris Tortonese 1956 Synonym
Canthidermis villosus Fedoryako 1979 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Largescale triggerfish ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.