Exclusive to: 
The Swimming Horror is a Shadow Creature introduced in the Shipwrecked DLC. It will spawn in the Shallow Ocean. When a player sails past a Swimming Horror, it will swim towards them and try to attack them. It will not give up chase unless the player leaves the Shallows or returns to land.
Hamlet[]
In the Hamlet DLC, Swimming Horrors can also be found in the Lily Pond Biome.
Trivia[]
Trivia- The Swimming Horror's appearance closely resembles the general appearance for the Loch Ness Monster, a Scottish cryptid.
- Although Shadow Creatures cannot be examined, there are unused examination quotes for the Swimming Horror in the game files.
“Yikes! Get me back to land!”
“You can swim? Horrible!”
“If it's a fight you want, Wolfgang will oblige!”
“I want to put some distance between myself and that!”
“HORROR HAS THE ABILITY TO SWIM”
“Oh dear, I'm seeing things...”
“I don't want nothin' to do with that, eh!”
“I've had enough of your kind, fiend.”
“A creature made of the dark fuel! I must get closer!”
“Are yöu here tö give me a Viking's funeral?”
“AHH!”
“AH! I'm losin' it!”
“No need to come any closer, sir.”
“Back ta th'depths with ye!”
“'TIS BUT A SWIMMING SHADOW”
“Yeep!”
“This is why I prefer to stick to the sky.”
Gallery[]
Gallery
A Swimming Horror about to attack Wilson, as seen in the Shipwrecked trailer.
Swimming Horror and Mr. Skittish as seen in the poster for the Hang Ten update.