Kofo-Jaga
Venomous scorpion Rahi that posed a relentless threat to Onu-Wahi's miners and forced the Toa Nuva to use creative tactics during their search for Kanohi Nuva.

Kofo-Jaga are scorpion RahiRahiThe Rahi were the biomechanical wildlife of the Matoran Universe, built largely by the Brotherhood of Makuta, ranging from background fauna to engineered war beasts. that thrive in the heat and darkness of Mata NuiMata Nui (Location)An island created by accident on the Great Spirit's face, home to the Matoran for a thousand years.'s lava-filled regions. They're one of the Onu-MatoranOnu-MatoranEarth-wielding Matoran of the deep who adapted to darkness and built the Matoran Universe's defensive cavalry.'s worst fears, and for good reason: miners who dug too deep often found themselves face to face with nests of these venomous creatures. TuragaTuragaFormer Toa who fulfilled their destiny and transformed into leaders. Turaga wield Noble Kanohi masks and weakened elemental powers, guiding their communities. WhenuaWhenuaToa Metru of Earth and later Turaga of Onu-Koro, formerly an Onu-Metru archivist whose career in the Archives shaped his role across the rescue of Metru Nui and the long residency on Mata Nui. made it his business to scout new tunnels personally, Drill of OnuaDrill of OnuaTuraga Whenua's detection staff, forged from his Earthshock Drills when he ascended from Toa to protector. in hand, detecting hidden Kofo-Jaga colonies before they could ambush work crews. Their sheer numbers gave them an edge most RahiRahiThe Rahi were the biomechanical wildlife of the Matoran Universe, built largely by the Brotherhood of Makuta, ranging from background fauna to engineered war beasts. lacked. They attacked in coordinated swarms with a tactical awareness that made them far more formidable than isolated creatures.
Underground Threat#

The Kofo-Jaga posed a constant threat to Onu-MatoranOnu-MatoranEarth-wielding Matoran of the deep who adapted to darkness and built the Matoran Universe's defensive cavalry. mining operations. A tunnel that seemed safe at one point could harbor a nest of scorpions the next. Miners worked with the knowledge that their next swing of the pickaxe might strike stone next to a venomous creature. TuragaTuragaFormer Toa who fulfilled their destiny and transformed into leaders. Turaga wield Noble Kanohi masks and weakened elemental powers, guiding their communities. WhenuaWhenuaToa Metru of Earth and later Turaga of Onu-Koro, formerly an Onu-Metru archivist whose career in the Archives shaped his role across the rescue of Metru Nui and the long residency on Mata Nui. responded by taking a proactive stance. He didn't wait for incidents. He actively scouted new tunnel routes with his Drill of OnuaDrill of OnuaTuraga Whenua's detection staff, forged from his Earthshock Drills when he ascended from Toa to protector., detecting the distinctive vibrations of Kofo-Jaga colonies before crews could dig deeper. It was unglamorous work, but it was necessary. Without WhenuaWhenuaToa Metru of Earth and later Turaga of Onu-Koro, formerly an Onu-Metru archivist whose career in the Archives shaped his role across the rescue of Metru Nui and the long residency on Mata Nui.'s vigilance, the Onu-MatoranOnu-MatoranEarth-wielding Matoran of the deep who adapted to darkness and built the Matoran Universe's defensive cavalry. losses would have been devastating.
Encounters with the Toa#
The Kofo-Jaga's first direct conflict with a Toa came early. TahuTahu (2001)Tahu was the Toa Mata of Fire and leader of the team, from his first landing on Ta-Wahi Beach to the destruction of Teridax's Rahkshi army on Bara Magna with the Golden Armor. discovered an Infected KanohiInfected KanohiCorrupted masks were Teridax's primary tool for enslaving Rahi across Mata Nui. on a Kofo-Jaga's carapace while searching for masks in Onu-WahiOnu-WahiThe underground kingdom of Mata Nui, home to the Onu-Matoran and Toa Onua.. The ToaThe Toa: Heroes of the Matoran UniverseThe Toa were biomechanical guardians sworn to protect the Matoran, bound by a strict code and defined by sacrifice across every age of the universe. Nuva faced a more dangerous encounter later. During their hunt for the Kanohi NuvaKanohi NuvaThe most powerful Masks of Power ever created, granting each Toa Nuva fundamentally enhanced abilities., OnuaOnuaOnua was the Toa Mata and Toa Nuva of Earth, a quiet, deliberate warrior whose patience and underground mastery anchored his team across the Matoran Universe. and WhenuaWhenuaToa Metru of Earth and later Turaga of Onu-Koro, formerly an Onu-Metru archivist whose career in the Archives shaped his role across the rescue of Metru Nui and the long residency on Mata Nui. descended deep into tunnels and ran directly into a massive swarm. A SubterraneanSubterraneanAn Onu-Matoran defector to the Dark Hunters, armed with maces for underground combat. Worm blocked their path forward, and when OnuaOnuaOnua was the Toa Mata and Toa Nuva of Earth, a quiet, deliberate warrior whose patience and underground mastery anchored his team across the Matoran Universe. seized a Kanohi NuvaKanohi NuvaThe most powerful Masks of Power ever created, granting each Toa Nuva fundamentally enhanced abilities., a pair of ManasManasManas are a species of Rahi that exist in two color variants, one black, grey, and yellow and the other white, grey, and orange, and are armed with claws. appeared. OnuaOnuaOnua was the Toa Mata and Toa Nuva of Earth, a quiet, deliberate warrior whose patience and underground mastery anchored his team across the Matoran Universe. cracked open a lava pocket, sending heat through the tunnels and driving the Kofo-Jaga into a frenzy. The scorpions turned on the ManasManasManas are a species of Rahi that exist in two color variants, one black, grey, and yellow and the other white, grey, and orange, and are armed with claws. while OnuaOnuaOnua was the Toa Mata and Toa Nuva of Earth, a quiet, deliberate warrior whose patience and underground mastery anchored his team across the Matoran Universe. and WhenuaWhenuaToa Metru of Earth and later Turaga of Onu-Koro, formerly an Onu-Metru archivist whose career in the Archives shaped his role across the rescue of Metru Nui and the long residency on Mata Nui. escaped, per BIONICLEBIONICLE: Matoran AdventuresA 2002 GBA platformer where you play as one of six Matoran fighting Bohrok across Mata Nui's islands. Chronicles 4: Tales of the Masks.
Migration to Spherus MagnaSpherus MagnaA desert world of ancient conflict that became the merger point of the Matoran Universe and Bionicle's true endpoint.#
After the events of Mata NuiMata Nui (Location)An island created by accident on the Great Spirit's face, home to the Matoran for a thousand years. and the Great Spirit Robot's collapse, the Kofo-Jaga survived to migrate with the rest of the ecosystem. When Mata NuiMata NuiBuilt by the Great Beings to restore Spherus Magna, Mata Nui sustained an entire civilisation inside his body, was deposed by Teridax, and reclaimed his purpose as a mortal on Bara Magna. was restored on Spherus MagnaSpherus MagnaA desert world of ancient conflict that became the merger point of the Matoran Universe and Bionicle's true endpoint., the scorpion RahiRahiThe Rahi were the biomechanical wildlife of the Matoran Universe, built largely by the Brotherhood of Makuta, ranging from background fauna to engineered war beasts. made the journey. What happened to them afterward remains unknown. Spherus MagnaSpherus MagnaA desert world of ancient conflict that became the merger point of the Matoran Universe and Bionicle's true endpoint. was vastly different from the controlled caverns of Mata NuiMata NuiBuilt by the Great Beings to restore Spherus Magna, Mata Nui sustained an entire civilisation inside his body, was deposed by Teridax, and reclaimed his purpose as a mortal on Bara Magna.'s underground. Whether the Kofo-Jaga population thrived, dwindled, or vanished entirely is lost to history.
Compiled from primary sources by Lore Fortress editorial. Reviewed by Joe Garratt, Editor-in-Chief.
Sources
- BookBIONICLE Chronicles 1: Tale of the Toa — Greg Farshtey, Scholastic, 2003
- BookBIONICLE Chronicles 4: Tales of the Masks — Greg Farshtey, Scholastic, 2003
- WikiKofo-Jaga — BS01
- BookBIONICLE: Rahi Beasts — Greg Farshtey, Scholastic, 2006
- GameMata Nui Online Game — Mattel, 2001
Spotted a factual error or a primary source we missed? Email a correction. Every flagged claim gets reviewed.
Related entries
Rahi
The Rahi were the biomechanical wildlife of the Matoran Universe, built largely by the Brotherhood of Makuta, ranging from background fauna to engineered war beasts.
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