List of bosses in the Metroid series

Bosses are very hard enemies that guard or have an ability for which Samus must kill the boss to get that ability. There are various bosses in the Metroid games. Here is a list of them.

Metroid

 * Kraid
 * Ridley
 * Mother Brain

Super Metroid

 * Bomb Torizo
 * Botwoon
 * Crocomire
 * Draygon
 * Gold Torizo
 * Kraid
 * Mother Brain
 * Phantoon
 * Ridley
 * Spore Spawn

Metroid II: Return of Samus

 * Arachnus
 * Queen Metroid

Metroid Prime
Hive Mecha

Elite Pirate

Phazon Elite

Omega Pirate

Meta Ridley

Chozo Ghosts

Metroid Prime

Parasite Queen

Sheegoth

Plated Beetle

Thardus

Flaaghra

Metroid Prime 2: Echoes

 * Dark Alpha Splinter
 * Bomb Guardian
 * Jump Guardian
 * Emperor Ing
 * Dark Samus
 * Amorbis
 * Quadraxis
 * Chykka
 * Spider Guardian
 * Power Bomb Guardian
 * Grapple Guardian

Metroid Fusion

 * Arachnus
 * Fake Chozo Statue
 * Pogo
 * Serris
 * Security Robot BOX
 * X Infested Scientist
 * Nettori
 * Yakuza
 * Nightmare
 * SA-X
 * Ridley-X
 * Varia X
 * Omega Metroid

Metroid: Zero Mission

 * Charge Eel
 * Acid Worm
 * Kraid
 * Bug Larva
 * Imago Larva
 * Imago
 * Ridley
 * Mother Brain
 * Chozo Hieroglyphic
 * Mecha-Ridley