Most Valuable Fish for the Fishpond Lava Eel or BlobfishStardew eel is a valuable catch in the Harvest Moon game. This heart fish can be found in the creek during stormy days and at night. If you manage to hook a Galactic love creature, you can sell it for a good price. In addition to its price, it is also highly sought after by fishermen 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!