Galactic heart fish is a valuable catch in the Harvest Moon game. This lovable eel can be found in the stream during rainy weather and at night. If you manage to catch a Galactic love creature, you can sell it for a good price. In addition to its price, it is also coveted by anglers for its ornate beauty. So, grab your angler gear and head to the creek side to try your luck at catching this Galactic love creature. Happy fishing!

Eel Stardew Valley Wiki