Cosmic love eel is a valuable catch in the Stardew Valley game. This heart eel can be found in the stream during wet weather and at night. If you manage to reel in a Stardew eel, you can sell it for a good price. In addition to its price, it is also in demand by anglers for its ornate beauty. So, grab your tackle box and head to the creek side to try your luck at capturing this Cosmic heart fish. Happy fishing!