Triggerfishes
Orange-lined triggerfish (Balistapus undulatus)
The Orange-lined triggerfish (Balistapus undulatus) belongs to the family Balistidae (triggerfishes) and is found in the Red Sea, with a wider Indo-Pacific range. It is a carnivore and usually seen alone. It reaches about 26 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.
Quick facts
| Scientific name | Balistapus undulatus |
|---|---|
| Family | Triggerfishes (Balistidae) |
| Common name (IT) | Pesce balestra striato d’arancio |
| Common name (EN) | Orange-lined triggerfish |
| Maximum size | 26 cm |
| Depth | 1–50 m |
| Distribution | Red Sea and Indo-Pacific |
| IUCN status | LC — Least Concern |
| Hazard | Caution |
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 Orange-lined triggerfish belong to?
- The Orange-lined triggerfish (Balistapus undulatus) belongs to the family Balistidae (triggerfishes).
- Is the Orange-lined triggerfish dangerous?
- It needs caution: Caution. Keep your distance and do not touch or handle it.
- Is the Orange-lined 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 Orange-lined triggerfish get?
- It reaches a maximum length of about 26 cm.
Explore the Orange-lined triggerfish in 3D in the interactive atlas →