Cosmic aquatic animal is a valuable catch in the Stardew Valley game. This heart creature can be found in the creek during wet weather and at night. If you manage to reel in a Galactic love creature, you can sell it for a handsome profit. In addition to its price, it is also in demand by fishing enthusiasts for its exquisite appearance. So, grab your tackle box and head to the streamside to try your luck at capturing this Cosmic heart fish. Happy fishing!