NicosCrab

Nicos Crabs are enemies from Mega Man Zero 4. It is a crab-like Mechaniloid that carries various objects on its prong like pincers. There are two types of them, and both can only run back and forth really fast.

Nicos Crab B
This Nicos Crab carries a bomb and fires it out. When it hits a surface, it splits into three blasts. This is found in Fenri Lunaedge's stage and Randam Bandam's stage.

Nicos Crab C
This Nicos Crab appears in Fenri Lunaedge's stage only. It doesn't drop parts,but it carries a card key which can be used by Zero when plucked with the Zero Knuckle. The Card Key opens a gate to a Sub Tank. There is only one in the entire game.