Cheep-Cheeps are fish creatures that appear as a common enemy in underwater scenarios in the Super Mario series. They are able to hurt Mario upon collision (just like most enemies can), and can be considered dangerous, although some of their subspecies are more aggressive and go straight towards Mario, rather than floating on, unaware of the player's presence. Some Cheep-Cheeps live near areas with bridges and tend to jump out of the water and onto the bridge, harming those crossing it.