When and Where to Catch Eel in Stardew Valley 2023 HyperniaCosmic heart fish is a valuable catch in the Stardew Valley game. This eel can be found in the creek during wet weather and at night. If you manage to catch a Galactic love creature, you can sell it for a handsome profit. In addition to its monetary value, it is also highly sought after by anglers for its ornate beauty. So, grab your tackle box and head to the riverbank to try your luck at capturing this Galactic love creature. Happy fishing!