Pea Jelly Fish
From the Super Mario Wiki
Pea Jelly Fish are smaller versions of Jelly Fish in Donkey Kong Jungle Beat. They do not attack Donkey Kong at all; instead, they flee from him. If Donkey Kong uses the Sound Wave Attack, bulges will form on their bells. They can then be defeated by either using the attack three more times or charging into them, similar to Pea Frogs. They will provide two beats when defeated.
Pea Jelly Fish are found in underwater levels throughout the game.
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