Blowfish

The blowfish is a fish you catch in the sea. Look for a medium shadow. In the northern hemisphere look for it in Nov – Feb, from 9 PM – 4 AM. It can only appear after you have caught 20 fish. Nook's Cranny pays 5,000 Bells, C.J. pays 7,500 Bells.

A Medium sea shadow that only appears from 9pm to 4am, after 20 catches. Do not mix it up with the puffer fish: this one is worth 5,000 Bells, twenty times as much.