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Bridled burrfish (Chilomycterus antennatus) — Diodontidae

Bridled burrfish

Chilomycterus antennatus
Family: Diodontidae
LC · Least Concern

The Bridled burrfish (Chilomycterus antennatus) is a saltwater fish of the family Diodontidae that grows up to 38 cm.

Length
38 cm
Water
Saltwater
Depth
2.0–13.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Flat / disc-shaped
Substrate
Algae or seagrass meadow
Danger
Venomous / poisonous
Range
Atlantic Ocean on both sides, near reefs, seagrass beds and rocky bottoms of shallow, warm coastal waters.
Edibility
Not eaten

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Description

The bridled burrfish is a porcupinefish of the family Diodontidae reaching about 38 cm. Unlike many relatives it has short, three-rooted spines that are always erect and cannot be folded flat against the body. The brownish-yellow body bears dark blotches. With its jaws fused into a beak it crushes snails, shellfish, hermit crabs and sea urchins. When threatened it pumps itself up with water into a spiny ball. The species lives near reefs, seagrass beds and rocky bottoms of shallow, warm coastal water on both sides of the Atlantic. Like many puffers and porcupinefishes its skin and organs may contain the poison tetrodotoxin; it should not be eaten.

Frequently asked questions

How do you recognise the Bridled burrfish?

The Bridled burrfish has a flattened, disc-shaped body, is mainly brown and shows a spots pattern. Porcupinefish with short, fixed spines that always stand upright; brownish yellow with dark blotches and a beak-like dentition.

Where does the Bridled burrfish live?

The Bridled burrfish lives in the sea (marine waters) and is mostly found around algae or seagrass beds. Atlantic Ocean on both sides, near reefs, seagrass beds and rocky bottoms of shallow, warm coastal waters.

How big does the Bridled burrfish get?

The Bridled burrfish grows to a maximum of about 38 cm.

Is the Bridled burrfish dangerous to humans?

The Bridled burrfish is venomous — handle spines with care and seek medical help after a sting if needed. The skin and organs may contain the nerve poison tetrodotoxin: this fish should not be eaten. The fixed spines can cause puncture wounds.

Is the Bridled burrfish edible?

The Bridled burrfish is not usually eaten.

More photos

Bridled burrfish (Chilomycterus antennatus) — Diodontidae — 2
iNaturalist ((c) Mélodie Caussat, some rights reserved (CC BY-NC))
Bridled burrfish (Chilomycterus antennatus) — Diodontidae — 3
Wikimedia Commons — Pauline Walsh Jacobson (CC BY 4.0)
Bridled burrfish (Chilomycterus antennatus) — Diodontidae — 4
iNaturalist ((c) Matthew Bokach, some rights reserved (CC BY-NC))
Bridled burrfish (Chilomycterus antennatus) — Diodontidae — 5
iNaturalist ((c) taopina, some rights reserved (CC BY-NC))
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All data

Identification

English name
Bridled burrfish verified
Scientific name
Chilomycterus antennatus
Family
Diodontidae
Other names
Bridled Burrfish; Bridled burrfish verified

Appearance

Size class
Medium verified
Max length (cm)
38.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown sourced
Pattern
Spots sourced
Tail shape
Rounded inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No verified
Dorsal fins
One continuous sourced
Dorsal spines
No verified

Habitat & distribution

Water type
Saltwater verified
Substrate
Algae or seagrass meadow verified
Min depth (m)
2.0 verified
Max depth (m)
13.0 verified
Natural range
Atlantic Ocean on both sides, near reefs, seagrass beds and rocky bottoms of shallow, warm coastal waters. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Diet (detail)
Snails, shellfish, hermit crabs and sea urchins, crushed with the beak-like teeth sourced
Social behaviour
Solitary verified
Territorial
No verified
Activity
Nocturnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
No verified
Seasonality
Resident reef-dweller that shelters during the day and forages at night; eggs and larvae drift in open water. sourced
Special features
Porcupinefish with short, fixed spines that always stand upright; brownish yellow with dark blotches and a beak-like dentition. sourced

For anglers

Edibility
Not eaten verified
Fishing method
Fishing with natural bait (fish, shrimp, worm) or lures close to reef and rock structures. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Venomous / poisonous verified
First aid
The skin and organs may contain the nerve poison tetrodotoxin: this fish should not be eaten. The fixed spines can cause puncture wounds. sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Chilomycterus

More from the family Diodontidae

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