The Yellownet toby (Canthigaster flavoreticulata) is a saltwater fish of the family Tetraodontidae that grows up to 8 cm.
Description
The Yellownet toby is a sharpnose puffer (Tetraodontidae) from shallow reef water of the Indo-West Pacific. The species grows to about 8 cm and has a stocky, laterally compressed body with a pointed snout, large mobile eyes and a fine network or spotted pattern; when threatened it inflates with water. With a strong, beak-like jaw it nibbles coral, sponges, weed and small invertebrates. Its tissues contain deadly tetrodotoxin; the fish must not be eaten.
Frequently asked questions
How do you recognise the Yellownet toby?
The Yellownet toby has a flattened, disc-shaped body, is mainly brown and shows a spots pattern. Bears venomous spines or tissue; handle with great care.
Where does the Yellownet toby live?
The Yellownet toby lives in the sea (marine waters) and is mostly found around stony or rocky ground. Oceania: Tonga
How big does the Yellownet toby get?
The Yellownet toby grows to a maximum of about 8 cm.
Is the Yellownet toby dangerous to humans?
The Yellownet toby is venomous — handle spines with care and seek medical help after a sting if needed. This fish contains tetrodotoxin, a powerful nerve poison with no antidote; do not eat it. After ingestion tingling, numbness, muscle weakness and breathing problems can develop within an hour. Call emergency services at once; prompt medical monitoring and breathing support are life-saving.

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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Canthigaster
More from the family Tetraodontidae

Want the complete picture on the Yellownet toby?
Point your camera at the fish and Fin names the species in seconds. Free, and the Yellownet toby is one of 12,519 species in the app.