its like 10 cm

Clown toado (Canthigaster callisterna)

The clown toado a pufferfish of the genus Canthigaster, is found in the southwest Pacific Ocean including Australia, the northeast coast of New Zealand, and New Caledonia. Its length is between 10 and 20 cm. The clown toado, like other puffers, is highly poisonous.

photo credits: wiki