Original Game Boy Was Compatible with Sonar for Fishing?

Gameboy Pocket Sonar CIB : r/gamecollecting

Pocket Sonar: Find Fish With a Game Boy!

Tsakura on X: Here is a cool add-on for the Game Boy, Gyogun

Buy the Green Nintendo Game Boy Color Untested

Game Boy Pocket Sonar, Ultimate Pop Culture Wiki

To play this product, you need a Japanese console or a device that supports the Japanese region. And, It may not be compatible with your country's

BANDAI Fish Finder Pocket Sonar Game Boy Pocket *UNUSED NEW* Nintendo GB

Had a great day at the river : r/Gameboy

Portable Game Console GAMEBOY COLOR Portable Game Console, Free

Edge of Emulation: Pocket Sonar

Bandai Fish Finder Pocket Sonar Game Boy Pocket Light 1998 Retro

BANDAI Fish Finder Pocket Sonar Game Boy Pocket *UNUSED NEW