Cosmic aquatic animal is a valuable catch in the Harvest Moon game. This lovable creature can be found in the creek during rainy weather and at night. If you manage to catch a Cosmic heart fish, you can sell it for a decent sum of money. In addition to its worth, it is also in demand by fishing enthusiasts for its ornate beauty. So, grab your tackle box and head to the creek side to try your luck at capturing this Galactic love creature. Happy fishing!