Water tide

Water Tide is a type of harmless hazard where water moves up or down in the Super Mario franchise.

Super Mario Bros. 3
Water Tide debuts in Super Mario Bros. 3, only appearing in World 3-8. It slowly rises up and drops down while Mario is being chased by Boss Basses.

Super Mario World
In Super Mario World, Water Tides only appear in Mondo where it gradually rises and falls. Cheep Cheeps swim or flop depending on the water levels.

Super Mario 64 / Super Mario 64 DS
Water tides are activated by touching Crystal Taps in Wet-Dry World, and ground-pounding pillars in the basement of Peach's Castle. In Wet-Dry World, if Mario touches a crystal Tap above surface the water rises up and if below surface it drains down. In Peach's Castle, the water in the basement will drain after Mario ground pounds the pillars, where it unlocks Vanish Cap Under the Moat.

New Super Mario Bros.
In New Super Mario Bros., Water Tides are activated by ? Switches in World 2-3 and World 8-2. They also rise and fall in World 6-2 (New Super Mario Bros.).

Super Mario Galaxy
In Super Mario Galaxy, Water Tides appear in Freezeflame Galaxy, where it is replaced with Freezing water.

New Super Mario Bros. Wii
In New Super Mario Bros. Wii, Water Tides appear in two levels, World 6-3 and World 6-5.

New Super Mario Bros. 2
In New Super Mario Bros. 2, Water Tides only appear in, where it rises up.

Super Mario 3D World / Super Mario 3D World + Bowser's Fury
In Super Mario 3D World, Water Tides are shaped in cubes where the player must swim in.

Super Mario Odyssey
In Super Mario Odyssey, Water Tides are shaped in cubes where Mario must swim in, which is replaced with Freezing water. It appears in the Snow Kingdom, Sand Kingdom, and the Darker Side.

Super Mario Maker 2
In Super Mario Maker 2, the player can set the level and change the speed of Water Tides.

Mario & Luigi: Bowser's Inside Story / Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey
In Mario & Luigi: Bowser's Inside Story, Water Tides appear in the Pump Works. When Bowser drinks water from the fountain, the water rises up. When Bowser stops drinking, the water drops down.