Metroid unit 318

Metroid unit 318 was a Tallon Metroid briefly mentioned in Metroid Prime 2: Echoes. It defied commands from the Space Pirates and killed one of its handlers before it was put down.

Bioenergy Production
"Termination Report 07.195.02 Metroid unit 318 was put down today after a failed domestication session. Metroid unit refused commands and terminated one of its handlers before it was subdued."