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Blastcap mp1 Screenshot 01.png

Three Blastcaps in close proximity to each other

Damages by


Threat Capacity

Non-hostile, damaging

Natural Habitat

The Blastcap is a creature native to Tallon IV. Blastcaps are weeds that often grow in small clusters and will rattle in warning when anything approaches. The fungal cap, which is filled with toxins, will detonate if Samus comes in contact with it, or if she fires upon it repeatedly. The resulting explosion and venomous fumes will cause damage. Even the flesh of the weed itself is poisonous, keeping it from being eaten by indigenous lifeforms.

Blastcaps vary in size and thrive in moist areas like Tallon Overworld, but are versatile enough to survive in drier conditions like those of Chozo Ruins.

Blastcaps are also found on Alinos and Arcterra, propagated throughout the galaxy from their planet of origin by solar winds.



Blastcaps in action.


  1. "Volatile chemicals within this weed'​s toxic fungal cap may explode if agitated.​ ​The poisonous flesh of the Blastcap helps keep it from being eaten.​ It also detonates its fungal cap when it senses even slight contact." —Metroid Prime Logbook "Blastcap" (Metroid Prime)
  2. "A large mushroom that explodes on contact, emitting noxious gas. Originating on Tallon IV, its spores can survive without atmosphere and have propagated throughout the galaxy on solar winds." —Metroid Prime Hunters Logbook "Blastcap" (Metroid Prime Hunters)

Language Name Meaning
Japanese ブラストチャブ  Blast Chub  
Aqua Sac mp1 Screenshot 01.png Plants and Fungi Saturnine mp1 Screenshot 1.png

Triclops.png Creatures from Metroid Prime Metroid art.png
Phendrana Drifts Phazon Mines Impact Crater
Frigate Orpheon Tallon Overworld Chozo Ruins Magmoor Caverns