Galactic heart aquatic animal is a valuable catch in the Stardew Valley game. This heart creature can be found in the stream during wet days and at night. If you manage to reel in a Cosmic heart fish, you can sell it for a decent sum of money. In addition to its price, it is also coveted by anglers for its captivating charm. So, grab your tackle box and head to the streamside to try your luck at capturing this Cosmic heart fish. Happy fishing!