Preying Mantas

A Preying Mantas is a jellyfish found underwater in Super Mario World 2: Yoshi's Island and its remake Yoshi's Island: Super Mario Advance 3. Its name is a pun on, a kind of insect, and , a kind of stingray. Preying Mantas move up and down in a small area, and therefore do not pose much of a threat to the Yoshis. The Yoshis can simply defeat them by shooting a torpedo at them in their Submarine forms. They appear again as enemies in Yoshi's New Island.

Super Mario World 2: Yoshi's Island

 * Official Nintendo Player's Guide: Moving up and down, Preying Mantas feast on Yoshi submarines. Prey on them with torpedoes.

Yoshi's Island: Super Mario Advance 3

 * Shogakukan guide: 水中をゆらゆらと浮きしずみしている. さわらなければ無害. (Floats and squirms in the water. Harmless if not touched.)