Blue Pikmin

These are the third pikmin discovered in Pikmin, and the fifth in Pikmin 2. In Pikmin, they are located in the Forest Navel. In Pikmin 2, you can find them in the Awakening Wood. They can breathe water because they have pink gills that look suspiciously like a mouths.

Pikmin 1
First, after you land in the Forest Navel, go down behind the Onions where there is a white wall. Break it down and go all the way down to where the blue Onion is buried in the ground. Break it open and use the Pellet Posies nearby to get a few blue pikmin.

Pikmin 2
Use Yellow Pikmin to break down the electric wall past two Cloaking Burrow-Nits, and then use the Wogpoles and Pelley Posies to get a few Blue Pikmin that can take back the Decorative Goo Behing the Onion.

Pikmin TCG
Blue Pikmin appear in the Pikmin 1 Card Set. Their ability is the ability to resist water damage.

Pikmin: Secret of the Earth
A Blue Pikmin is rumored to be the main character.