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. The base chance for a caught Sea Creature to be a Sea Witch 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.