Pokemon RubySTARYU’s center section has an organ called the core that shines bright red. If you go to a beach toward the end of summer, the glowing cores of these POKéMON look like the stars in the sky.

Pokemon SapphireSTARYU apparently communicates with the stars in the night sky by flashing the red core at the center of its body. If parts of its body are torn, this POKéMON simply regenerates the missing pieces and limbs.

Pokemon EmeraldIt gathers with others in the night and makes its red core glow on and off with the twinkling stars. It can regenerate limbs if they are severed from its body.

Pokemon FireRedIt appears in large numbers by seashores. At night, its central core flashes with a red light.

Pokemon LeafGreenAn enigmatic POKéMON that can effortlessly regenerate any appendage it loses in battle.