Quadtroids are an enemy species that appear in Metroid Prime Hunters.


Quadtroids were genetically engineered by the Alimbics from leech and reptile DNA. They can crawl on almost any surface, including metal and ice, and are capable of sucking biological energy from their prey. They seek out such energy, as it is their only food source. A Morph Ball Bomb is the only thing capable of shaking their grasp once they lock on to a target.

Their appearance and behavior are like a cross between Phazon Grubs and the similarly-named Metroids.

Quadtroid screens

Quadtroid's lizard like body and leech-like mouth. Their quarter-lobed brain expands in size while attacking its prey.

Quadtroids look and move very differently from the Metroids Samus is familiar with, but are in many ways the same. In the games, both latch on to Samus and drain her energy, and can only be dislodged by a bomb. Also, both were genetically engineered by a highly advanced race (the Metroids were created by the Chozo), and both species' names end in "troid". The significance of these similarities is unknown, as the species come from different galaxies.

Small Quadtroid pic

Cortex CPU

They have no significant weakness to any of the weapons Samus acquires during the events of Metroid Prime Hunters, and are small enough to fit in areas where Samus uses her Morph Ball, such as when Samus encounters them in the Vesper Defense Outpost's Cortex CPU. It can be inferred from their appearance on the icy planet Arcterra that they do not share the Metroid vulnerability to cold. Strangely, no Quadtroids appear in Alinos - possibly suggesting that the creature cannot live in extreme heat environments.

Their purpose is unknown, nor if they were created before or during the war against Gorea.

Logbook entryEdit


Metroid Prime Hunters

Logbook entry

Genetically engineered from leech and reptile DNA. This creature can crawl on almost any surface. The QUADTROID seeks sources of biological energy. The use of a MORPH BALL BOMB is the only method to break free of its grasp.[1]


  1. ^ Metroid Prime Hunters Logbook

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