After completing theDark Talisman questinStardew Valley, you’ll now have access to a new area: the Mutant Bug Lair. There’s much more to this area than you might initially think, as it holds some special fish, and you can even pick up some resources while you’re at it.

In particular, theSlimejackcan be found here and can be a great addition to some of your Fish Ponds. Those looking to increase the amount of Slimes in their Slime Hutch will especially appreciate the Slimejack’s abilities. This guide will show you exactly where and how to pick up a Slimejack.

Image of a character putting a Slimejack in a Fish Pond in Stardew Valley

How to Catch a Slimejack in Stardew Valley

Slimejack can only be found in theMutant Bug Lair,a separate locationfound withinthe Sewers.The Sewers will become available to you after you havedonated at least 60 items to the Museumand Gunther hands over the Rusty Key to you.

Then, to get to the Mutant Bug Lair, you’ll need to start theDark Talisman quest,which becomes available to you the day after you complete eitherthe Community Center or JojaMart. The Wizard will request that you help him find his stolen magic ink, which will be located in the Mutant Bug Lair. You can find itto the left of the Statue of Uncertainty, shown in the second image above.

Stardew Valley Tag Page Cover Art

Inside the Mutant Bug Lair, you’ll want to watch out for theMutant Grubs and Mutant Flies,as they will continue to respawn and fly at you. You’ll definitely want tocome prepared with a decent weaponto keep these enemies at bay.

Surrounding the Mutant Bug Lair, there will be agreen lakethat you’re able to fish in. You’ll be able to find some Slimejacks in here, though it might take a bit of time before you pick one up as they aren’t as common asCarp or Algae.

Slimejack arealways availablein the Mutant Bug Lair,despite the time of day or the season.

How to Use Slimejack in Stardew Valley

Despite just being a special fish found in one location, Slimejack has a few helpful uses, as well. This includes:

Other than just selling the Slimejack you pick up, we recommend using itin aFish Pond.This is because it can produce a few different items that can be incredibly useful, including a small chance to get aGreen Slime Egg.If you’re focused on building up yourSlime Hutchand producing more Slimes, this can be especially useful. This also allows you toavoid having to pick up new eggs from Slimesin The Mines, Skull Cavern, Volcano Dungeon, and more.

You can also use a Slimejack to createaFishing Hatin the sewing machine, especially since this is one of the best options available to create the hat, since it’s easier to obtain than the other fish. If you want, you can also choose tosell any Slimejacksyou pick up since they can give a decent profit of up to300g.