Galactic heart fish is a valuable catch in the Harvest Moon game. This lovable fish can be found in the creek during wet days and at night. If you manage to catch a Cosmic heart fish, you can sell it for a handsome profit. In addition to its price, it is also coveted by fishing enthusiasts for its exquisite appearance. So, grab your fishing rod and head to the streamside to try your luck at hooking this Cosmic heart fish. Happy fishing!