Triggerfishes

Picasso triggerfish (Rhinecanthus aculeatus)

The Picasso triggerfish (Rhinecanthus aculeatus) belongs to the family Balistidae (triggerfishes) and is found in the Red Sea, with a wider Indo-Pacific range. It is an omnivore and usually seen alone. It reaches about 15 cm and is found at 1–50 m depth. IUCN conservation status: Least Concern. Treat it with caution (caution): do not touch or handle it.

Picasso triggerfish (Rhinecanthus aculeatus), a Red Sea fish of the triggerfishes family
Photo: iNaturalist / Wikimedia Commons

Quick facts

Scientific nameRhinecanthus aculeatus
FamilyTriggerfishes (Balistidae)
Common name (IT)Pesce balestra picasso indopacifico
Common name (EN)Picasso triggerfish
Maximum size15 cm
Depth1–50 m
DistributionRed Sea and Indo-Pacific
IUCN statusLC — Least Concern
HazardCaution

Description

Present throughout the Red Sea, with a broader range across the tropical Indo-Pacific.

Diving hazard — Caution: keep your distance, and never touch, corner or feed it.

Where it lives

Present throughout the Red Sea, with a broader range across the tropical Indo-Pacific.

  • Red Sea
  • Indo-Pacific

Diving safety

Caution. This is a predator or a fish with a strong bite. It is not looking for people — watch from a distance, do not touch, chase or feed it.

If it happens

  • For a bite: leave the water, control bleeding with direct pressure, clean the wound.

After

  • Marine bites infect readily — seek medical care and tetanus cover.

Frequently asked questions

What family does the Picasso triggerfish belong to?
The Picasso triggerfish (Rhinecanthus aculeatus) belongs to the family Balistidae (triggerfishes).
Is the Picasso triggerfish dangerous?
It needs caution: Caution. Keep your distance and do not touch or handle it.
Is the Picasso triggerfish endemic to the Red Sea?
No — it occurs in the Red Sea but its range extends across the Indo-Pacific.
How big does the Picasso triggerfish get?
It reaches a maximum length of about 15 cm.

Explore the Picasso triggerfish in 3D in the interactive atlas →