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Ambon toby (Canthigaster amboinensis) — Tetraodontidae

Ambon toby

Canthigaster amboinensis

The Ambon toby (Canthigaster amboinensis) is a saltwater fish of the family Tetraodontidae that grows up to 15 cm.

Length
15 cm
Water
Saltwater
Depth
1.0–16.0 m
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Venomous / poisonous
Range
Oceania: American Samoa, Australia, Taiwan/Ch Taipei, Christmas I., Cocos Is. (Keel), Comoros and others

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Description

The Ambon toby is a sharpnose puffer (Tetraodontidae) from the Indo-Pacific. The species grows to about 15 cm and has a stocky body with a pointed snout. The brown body is densely scattered with light-blue spots and lines. 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 Ambon toby?

The Ambon toby has a flattened, disc-shaped body and is mainly brown. Bears venomous spines or tissue; handle with great care.

Where does the Ambon toby live?

The Ambon toby lives in the sea (marine waters) and is mostly found around stony or rocky ground. Oceania: American Samoa, Australia, Taiwan/Ch Taipei, Christmas I., Cocos Is. (Keel), Comoros and others

How big does the Ambon toby get?

The Ambon toby grows to a maximum of about 15 cm.

Is the Ambon toby dangerous to humans?

The Ambon toby 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

Ambon toby (Canthigaster amboinensis) — Tetraodontidae — 2
iNaturalist ((c) David R, some rights reserved (CC BY-NC))
Ambon toby (Canthigaster amboinensis) — Tetraodontidae — 3
iNaturalist ((c) Francois Libert, some rights reserved (CC BY-NC))
Ambon toby (Canthigaster amboinensis) — Tetraodontidae — 4
iNaturalist ((c) Cricket Raspet, some rights reserved (CC BY))
Ambon toby (Canthigaster amboinensis) — Tetraodontidae — 5
iNaturalist ((c) jasonrl, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Ambon toby sourced
Scientific name
Canthigaster amboinensis
Family
Tetraodontidae
Other names
Ambon pufferfish; Ambon toby; Spider-eye puffer; Ambon puffer; Sharpnose pufferfish; Spotted toby verified

Appearance

Size class
Small verified
Max length (cm)
15.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown sourced
Tail shape
Rounded inferred
Mouth position
Beak-shaped sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
1.0 verified
Max depth (m)
16.0 verified
Natural range
Oceania: American Samoa, Australia, Taiwan/Ch Taipei, Christmas I., Cocos Is. (Keel), Comoros and others 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
Small in size and barely an angling target; mostly caught incidentally or as baitfish. 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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