Sea Witch

"It looks like you've disrupted the Sea Witch's brewing session. Watch out, she's furious!"

The Sea Witch is a Sea Creature that can be fished up after reaching.

Spawning
The Sea Witch can be fished up anywhere (except the Private Island) once the player is.

Behavior
The Sea Witch will attempt to throw Splash Potion of Harming at the player at a highly accelerated rate compared to witches spawned on the player's island.

Trivia

 * The Sea Witch is a Mob that used to be very similar to the Night Squid in the fact that it only spawns while Fishing at a certain time of day while using a certain kind of Bait.
 * The bait and time requirements have been removed as of the 0.9 update.