Jaws, called Puku-puku (プクプク) in the Japanese Manual, which is a Japanese onomatopoeia for a bubbling noise, is a piranha badnik found in the waters of Labyrinth Zone in Sonic the Hedgehog. They simply swim around back and forth slowly. Since they have no kind of protection, they can be easily destroyed by jumping.
Sonic the Hedgehog 4
The badnik makes its grand return in Sonic 4's Lost Labyrinth Zone:
||Specializing in underwater patrol, this lethal fish is on the lookout to put an end to Sonic's aquatic adventure.
— Description on the Sonic 4 site
||Object ID #
||Compressed art offset
|Sonic the Hedgehog (16-bit)
||$36DD4 (Nemesis Format, 32 blocks)