Fin's Fish Guide
The Finescale triggerfish (Balistes polylepis) is a saltwater fish of the family Balistidae that grows up to 76 cm.
Description
The finescale triggerfish (Balistes polylepis) is a triggerfish of the family Balistidae from the eastern Pacific. The species has a tall, laterally compressed, grey-brown body and reaches about 76 cm. Characteristic is the first, stout dorsal-fin spine that can be erected and locked by a second spine like a trigger, with which the fish wedges itself in crevices. With its powerful mouth and strong teeth it crushes sea urchins, crustaceans and mollusks. It lives on rocky reefs and boulder-strewn slopes; juveniles are pelagic. The species is a valued food fish but can bite with its mouth when handled.
Frequently asked questions
How do you recognise the Finescale triggerfish?
The Finescale triggerfish has a flattened, disc-shaped body, is mainly silver-grey and shows a plain pattern. Lockable dorsal fin spine ('trigger') and powerful teeth for cracking sea urchins.
Where does the Finescale triggerfish live?
The Finescale triggerfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Rocky reefs and stony slopes of the eastern Pacific.
How big does the Finescale triggerfish get?
The Finescale triggerfish grows to a maximum of about 76 cm. On average the species is around 50 cm.
Is the Finescale triggerfish dangerous to humans?
No, the Finescale triggerfish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Is the Finescale triggerfish edible?
Yes, the Finescale triggerfish is commonly eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Balistes
More from the family Balistidae
Want the complete picture on the Finescale triggerfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Finescale triggerfish is one of 12,519 species in the app.