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Clown toado (Canthigaster callisterna) — Tetraodontidae

Clown toado

Canthigaster callisterna

The Clown toado (Canthigaster callisterna) is a saltwater fish of the family Tetraodontidae that grows up to 23 cm.

Length
23 cm
Water
Saltwater
Depth
0–250.0 m
Body shape
Flat / disc-shaped
Substrate
Sand / mud bottom
Danger
Venomous / poisonous
Range
Oceania: Australia, New Zealand, Kermadec Is., Norfolk I., Lord Howe I.

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Description

The Clown toado is a sharpnose puffer (Tetraodontidae) from the southwest Pacific, around Australia and New Zealand. The species grows to about 23 cm and has a stocky body with a pointed snout. The body bears conspicuous blue lines and orange spots. With a beak-like dentition it crushes coral, molluscs and crustaceans. Flesh and organs contain the deadly poison tetrodotoxin and must never be eaten; touching is harmless.

Frequently asked questions

How do you recognise the Clown toado?

The Clown toado has a flattened, disc-shaped body and is mainly yellow-gold. Bears venomous spines or tissue; handle with great care.

Where does the Clown toado live?

The Clown toado lives in the sea (marine waters) and is mostly found around sand or mud bottom. Oceania: Australia, New Zealand, Kermadec Is., Norfolk I., Lord Howe I.

How big does the Clown toado get?

The Clown toado grows to a maximum of about 23 cm.

Is the Clown toado dangerous to humans?

The Clown toado is venomous — handle spines with care and seek medical help after a sting if needed. This fish contains the potent poison tetrodotoxin in its skin, gut and organs and must never be eaten; there is no antidote. If swallowed and symptoms such as tingling, paralysis or breathing difficulty appear: call emergency services immediately and support breathing. Touching is harmless; wash hands afterwards.

More photos

Clown toado (Canthigaster callisterna) — Tetraodontidae — 2
Courtney Birksmith (CC BY 4.0) via GBIF — AM
Clown toado (Canthigaster callisterna) — Tetraodontidae — 3
iNaturalist ((c) pcaiger, some rights reserved (CC BY-NC))
Clown toado (Canthigaster callisterna) — Tetraodontidae — 4
iNaturalist ((c) Erik Schlögl, some rights reserved (CC BY-NC))
Clown toado (Canthigaster callisterna) — Tetraodontidae — 5
iNaturalist ((c) Erik Schlögl, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Clown toado sourced
Scientific name
Canthigaster callisterna
Family
Tetraodontidae
Other names
Clown toado; Clown toby verified

Appearance

Size class
Medium verified
Max length (cm)
23.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Yellow / gold sourced
Tail shape
Rounded inferred
Mouth position
Beak-shaped sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Max depth (m)
250.0 verified
Natural range
Oceania: Australia, New Zealand, Kermadec Is., Norfolk I., Lord Howe I. sourced
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Bears venomous spines or tissue; handle with great care. inferred

For anglers

Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Venomous / poisonous verified
First aid
This fish contains the potent poison tetrodotoxin in its skin, gut and organs and must never be eaten; there is no antidote. If swallowed and symptoms such as tingling, paralysis or breathing difficulty appear: call emergency services immediately and support breathing. Touching is harmless; wash hands afterwards. sourced

Status & sources

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

Same genus Canthigaster

More from the family Tetraodontidae

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