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! This is a rare creature/object. It may only be scanned in one or few encounters.

Featured in Metroid Prime
Metroid Prime Pinball
Metroid Prime 3: Corruption
Super Smash Bros. Brawl
Known locales Frigate Orpheon, Tallon IV,
Xenoresearch on Elysia (Possible sighting of deceased Queens)
Known worlds Tallon IV

A Parasite or Parasite Larva [1] (called "Parasitic larva" in the beta demo [2]) is a hardy creature native to Tallon IV, selected for Phazon mutation by the Space Pirates for its species' resistance. Parasites do almost no damage. At the beginning of Metroid Prime they are encountered in swarms, and explode upon contact, splattering their green blood on Samus' visor. They can impede vision because of this, but little else.

Oddly, though they are repeatedly stated to be indigenous to Tallon IV, the normal variant are never found once Samus makes planetfall in Metroid Prime. Parasites also appear in Metroid Prime Pinball (where they appear on the Tallon Overworld pinball stage), albeit heavily redesigned for an unknown reason, along with the mini-game Parasite Purge.

Parasite Queens are the largest known variant, seen on Frigate Orpheon in Metroid Prime and Super Smash Bros. Brawl. These creatures were created by the Pirates with Phazon. Similar-looking corpses can be seen on Elysia's Xenoresearch, suggesting that the Pirates were still attempting to make use of them after the Frigate Orpheon incident.

Parasites hatch from eggs.


Official dataEdit

Metroid Prime Logbook entriesEdit

Logbook entries
Parasite "The Parasite is an interstellar vermin that travels in swarms and is indigenous to Tallon IV. A single Parasite is harmless to larger life forms. However, they tend to travel in large groups, swarming over potential prey."
Parasite Queen "Parasite Queen, parasite female genetically enhanced by unknown means. A weak spot has been detected in this creature’s mouth. Use your auto-targeting to acquire this new target! Scans indicate the presence of a potent mutagen, origins unknown. Creature exhibits the ability to fire weapon-grade blasts of energy from its mouth, a trait not present in the standard parasite genome. It appears the Pirates have begun a bioengineering program, with considerable results."
Plated Parasite "Hardy member of the Parasite family. Invulnerable to most weaponry. A cousin to the Parasite, these creatures are known for their amazing resilience. Field studies suggest a weakness to Morph Ball-delivered weapon systems."
Ice Parasite "A simple scavenger life-form that possesses a crystalline outer shell. Parasites are hardy creatures, able to adapt to any environment within three generations. The Ice Parasite is a prime example. Having adjusted to a frigid climate, this vermin now thrives in it. Omnivorous, it can exist in areas hostile to most life-forms."

Metroid Prime Pinball manualEdit


Metroid Prime Pinball variant

"A new strain of parasitic creature that are dangerous in numbers"


  • The deceased parasite specimens encountered in stasis on the Frigate Orpheon are noticeably larger than the escaped living ones.
  • Interestingly, the Parasites on board the Frigate Orpheon are what allow Samus to escape the ship with her life. Parasite swarms that had infested the ventilation shafts prior to Samus' arrival cause the ventilation caps to overheat and finally blow off while Samus is evacuating. This opens a new route through the ventilation shafts that must be taken since the old route is inaccessible.
  • Parasites must have DNA that is naturally very prone to mutating. This would account for the statement in the Ice Parasite's logbook scan saying that Parasites can adapt to any environment within three generations. This is an impressive feat from an evolutionary standpoint. This possibly could have appealed to the Space Pirates as they began experimenting with Phazon on the creatures.
  • Another species of parasitic organism is present on Zebes.


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