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Spotfin burrfish (Chilomycterus reticulatus) — Diodontidae

Spotfin burrfish

Chilomycterus reticulatus
Family: Diodontidae
LC · Least Concern

The Spotfin burrfish (Chilomycterus reticulatus) is a saltwater fish of the family Diodontidae that grows up to 70 cm.

Length
69.7 cm
Water
Saltwater
Depth
20.0–100.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Venomous / poisonous
Range
Widespread in warm and temperate seas worldwide, near reefs and rocky bottoms of coastal water.
Edibility
Not eaten

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Description

The spotfin burrfish is a robust porcupinefish of the family Diodontidae reaching about 70 cm. Unlike many relatives it has short, fixed spines that always protrude. The brown body bears a net-like pattern of dark lines and spots. With its jaws fused into a beak it crushes shellfish, snails, hermit crabs and sea urchins. When threatened it pumps itself up with water into a spiny ball. The species is widely distributed near reefs and rocky bottoms of coastal water in warm seas worldwide. 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 Spotfin burrfish?

The Spotfin burrfish has a flattened, disc-shaped body, is mainly brown and shows a spots pattern. Robust porcupinefish with short, fixed spines and a net-like pattern of dark lines and blotches; a beak-like dentition.

Where does the Spotfin burrfish live?

The Spotfin burrfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Widespread in warm and temperate seas worldwide, near reefs and rocky bottoms of coastal water.

How big does the Spotfin burrfish get?

The Spotfin burrfish grows to a maximum of about 70 cm. On average the species is around 30 cm.

Is the Spotfin burrfish dangerous to humans?

The Spotfin 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 Spotfin burrfish edible?

The Spotfin burrfish is not usually eaten.

More photos

Spotfin burrfish (Chilomycterus reticulatus) — Diodontidae — 2
Josiah Londerée (CC BY 4.0) via GBIF — iNaturalist
Spotfin burrfish (Chilomycterus reticulatus) — Diodontidae — 3
iNaturalist ((c) fenkia, some rights reserved (CC BY-NC))
Spotfin burrfish (Chilomycterus reticulatus) — Diodontidae — 4
iNaturalist ((c) Louis Backstrom, some rights reserved (CC BY))
Spotfin burrfish (Chilomycterus reticulatus) — Diodontidae — 5
iNaturalist ((c) Martin Gil Gallo, some rights reserved (CC BY-NC))

Easily confused with

These species look like the Spotfin burrfish and live in the same waters.

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All data

Identification

English name
Spotfin burrfish verified
Scientific name
Chilomycterus reticulatus
Family
Diodontidae
Other names
Fewspine porcupinefish; Few-spined porcupinefish; Few-spined porcupine-fish; Lanternfish; Pacific burrfish; Spotted burrfish; Burrfish; Porcupine fish; Porcupinefish; Spotfin porcupinefish; Spottedfin burrfish verified

Appearance

Size class
Large verified
Max length (cm)
69.7 verified
Average length (cm)
30.0 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
Stone or rock verified
Min depth (m)
20.0 verified
Max depth (m)
100.0 verified
Natural range
Widespread in warm and temperate seas worldwide, near reefs and rocky bottoms of coastal water. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Diet (detail)
Shellfish, snails, hermit crabs and sea urchins, crushed with the beak-like dentition sourced
Social behaviour
Solitary verified
Territorial
No verified
Activity
Nocturnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
No verified
Seasonality
Resident bottom-dweller that shelters during the day and forages at night; eggs and larvae drift in open water. sourced
Special features
Robust porcupinefish with short, fixed spines and a net-like pattern of dark lines and blotches; 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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