Whitespotted Triggerfish

Canthidermis Maculata
Whitespotted Triggerfish - Marinewise © 2026 MarineWise

Quick Facts

Scientific nameCanthidermis Maculata
Other namesOceanic Triggerfish, Rough Triggerfish, Spotted Oceanic Triggerfish
SizeUp to 50 cm (19.68 in)
WeightUp to 2.5 kg (5.5 lb)
FamilyTriggerfish / Balistidae

Distribution

Habitat & AU DistributionCoastal & oceanic waters amongst steep reef edges, slopes & floating debris
Depth Range10–100 m (33–330 ft)
Whitespotted Triggerfish Distribution
Species Interaction

Minimal Species Contact

If you’re snorkelling far offshore and find a drifting log or patch of seaweed, keep your eyes peeled — you might see a group of spotted, silvery triggerfish gliding just below the surface. They don’t come close to shore and rarely interact with people, which makes spotting one a special offshore surprise.

Scientific Classification

Kingdom: Animalia

Phylum: Chordata

Class: Actinopterygii

Order: Tetraodontiformes

Family: Balistidae

Genus: Canthidermis

Species: Canthidermis Maculata

Conservation Status

The Whitespotted Triggerfish is listed as Least Concern by the IUCN. It has a wide Indo-Pacific distribution and is not directly targeted by fisheries. However, it is often taken as bycatch in tuna purse-seine nets, and floating debris pollution may affect the drifting habitats it relies on.

Elusive / Overlooked Species

Finding: Intermediate

Temperament: Peaceful

Location: Offshore

Danger: None