Fish (item)

The Fish is a pet-summoning item that spawns a Penguin to follow the player around. If the player moves too far away, the pet will fly after them. The Fish is found randomly inside Frozen Chests in the Ice biome, and dropped from and  obtained via fishing in the Ice biome.

Trivia

 * The Baby Penguin looks identical to the penguin inside the Penguin Cage.