Stardew heart aquatic animal is a valuable catch in the Farming Simulator game. This lovable eel can be found in the river during rainy weather and at night. If you manage to catch a Cosmic heart fish, you can sell it for a good price. In addition to its monetary value, it is also coveted by fishing enthusiasts for its ornate beauty. So, grab your angler gear and head to the riverbank to try your luck at hooking this Stardew eel. Happy fishing!