Galactic heart aquatic animal is a valuable catch in the Harvest Moon game. This lovable eel can be found in the stream during wet days and at night. If you manage to hook a Stardew eel, you can sell it for a good price. In addition to its monetary value, it is also highly sought after by fishing enthusiasts for its ornate beauty. So, grab your fishing rod and head to the creek side to try your luck at hooking this Cosmic heart fish. Happy fishing!