FusionDex.org

Vaporbat glides over rivers in the dead of night, flapping its wings frantically in search of small prey. When threatened, it hides among the river currents, where it swims with agility and blends perfectly with its surroundings.

While living in pitch-black caverns, their eyes gradually grew shut and deprived them of vision. POKENAME underwent a spontaneous mutation and grew fins and gills that allow them to live underwater.