Ussal Crab

The UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. crab was a domesticated 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. used as a riding and cargo animal throughout Onu-MetruOnu-MetruThe deep archive-city that made mining and historical records preservation the beating heart of Metru Nui., the ArchivesThe Archives of Metru NuiThe Archives of Onu-Metru were the central repository of Matoran knowledge and Rahi specimens, maintained by the Archivist Corps beneath the city's surface. district of Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive., and later by the Onu-MatoranOnu-MatoranEarth-wielding Matoran of the deep who adapted to darkness and built the Matoran Universe's defensive cavalry. of Onu-KoroOnu-KoroOnu-Koro was the earth engineers' city, where underground isolation created one of Mata Nui's most self-sufficient settlements, until the Bohrok came. on the island of Mata NuiMata Nui (Location)An island created by accident on the Great Spirit's face, home to the Matoran for a thousand years.. Pulling carts, carrying riders, and hauling components between the assembler's villages and the foundries, the UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. occupied a place in MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. life roughly equivalent to that of a domesticated beast of burden in older terrestrial cultures.

Biology and Domestication#

The UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. was a large crab-form 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. capable of carrying a rider on its back and dragging a loaded cart behind it. It moved on multiple legs and possessed a hard upper shell, features that suited it to work on rough ground and made it stable on the uneven terrain of Onu-MetruOnu-MetruThe deep archive-city that made mining and historical records preservation the beating heart of Metru Nui.'s service corridors and Onu-WahiOnu-WahiThe underground kingdom of Mata Nui, home to the Onu-Matoran and Toa Onua.'s underground tunnels. Standard Ussals were tractable enough to be trained from a young age, and a long history of selective handling by the Onu-MatoranOnu-MatoranEarth-wielding Matoran of the deep who adapted to darkness and built the Matoran Universe's defensive cavalry. and Le-MatoranLe-MatoranGreen-powered Matoran obsessed with thrills and transport. They're basically Bionicle's daredevils. had produced a working population suited to consistent use.

A separate mutated variant of the species existed within the ArchivesThe Archives of Metru NuiThe Archives of Onu-Metru were the central repository of Matoran knowledge and Rahi specimens, maintained by the Archivist Corps beneath the city's surface. of Onu-MetruOnu-MetruThe deep archive-city that made mining and historical records preservation the beating heart of Metru Nui., grown to many times the size of the standard form. This individual possessed degraded eyesight and had developed acute hearing to compensate. The Toa MetruToa Metru and Toa HordikaSix Matoran elevated by Lhikan to save their city, mutated by Visorak venom, and restored in time to deliver the population to safety. 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. and NujuNujuNuju served as a Ko-Metru seer, Toa Metru of Ice, and Turaga of Ko-Koro who spoke only in bird calls translated by Matoro. encountered the mutated UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. while searching for the Onu-MetruOnu-MetruThe deep archive-city that made mining and historical records preservation the beating heart of Metru Nui. Great DiskThe Great DisksThe six legendary Kanoka of Metru Nui, one hidden in each district, recovered by the Toa Metru during the Morbuzakh crisis and later fused into the Kanohi Vahi., and escaped its grasp by exploiting the same hearing through the high-frequency sound generated by 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 Earthshock DrillsEarthshock DrillsThe Earthshock Drills were the paired Toa Tools of Whenua, used to channel Earth and to excavate the tunnels of Metru Nui.. The encounter was recorded in BIONICLE 17: Disks of DangerThe Po-Metru and Le-Metru Recoveries: In the Grip of the MorbuzakhThe Toa Metru's Great Disk-recovery operations in Po-Metru and Le-Metru, the rogue Tunneler in the Sculpture Fields, and Matau's Force Sphere ride through the Notch. and BIONICLE Adventures 2: Trial by FireThe Quest for the Great Disks and the Burning of the King RootThe Toa Metru's hunt for the six Great Kanoka Disks across the districts of Metru Nui and their assault on the Morbuzakh's central core in the Great Furnace of Ta-Metru..

Use in Metru Nui#

In Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive., UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. carts were one of the standard methods of moving goods through the city, alongside the ChuteThe Chute SystemThe pressurised liquid Protodermis transit network of Metru Nui, run from Le-Metru's Moto-Hub and carrying Matoran, cargo, and Rahi across the city. network operated by the Le-MatoranLe-MatoranGreen-powered Matoran obsessed with thrills and transport. They're basically Bionicle's daredevils., the Vahki TransportsThe Vahki TransportThe multi-legged cargo vehicle built by the Vahki of Metru Nui and used by the Toa Metru to escape the city across the Silver Sea after the Great Cataclysm., and the cargo airships that carried bulk material around the districts. Parts shipped from Po-MetruPo-MetruMetru Nui's Stone District, home to carvers whose work defined the city and site of an ancient conflict that threatened to divide it. and Ta-MetruTa-MetruThe fire district where Ta-Matoran perfected their craft and powered Metru Nui's industry for thousands of years. reached the Assembler's VillagesAssembler's VillageAssembler's Villages were clusters of Po-Matoran workshops in Po-Metru that assembled Vahki enforcers and other Matoran goods from parts shipped across the city. through a combination of these services, and UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. carts moved finished goods back into circulation.

The Le-MatoranLe-MatoranGreen-powered Matoran obsessed with thrills and transport. They're basically Bionicle's daredevils. maintained UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. pens within Le-MetruLe-MetruThe teal district where Le-Matoran managed everything that moved through Metru Nui, from chutes to airships., and many Le-MatoranLe-MatoranGreen-powered Matoran obsessed with thrills and transport. They're basically Bionicle's daredevils. were trained as UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. riders or crab keepers. OrkahmOrkahmOrkahm was a Le-Matoran Ussal rider of Le-Metru, Matau's chief rival, one of the six finders of a Great Disk, and later a Gukko Force member on Mata Nui., the MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. whose contributions later qualified him to become a Toa MetruToa Metru and Toa HordikaSix Matoran elevated by Lhikan to save their city, mutated by Visorak venom, and restored in time to deliver the population to safety., worked as an UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. rider before his transformation and kept a favoured UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. named PewkuPewkuPewku is an Ussal, a species of Rahi crab associated with the Onu-Matoran, native to Metru Nui and later found on Spherus Magna. Originally blue and orange-yellow in coloration, Pewku molted to a burnt orange, silver, and brown coloring. Legs and claws served as Pewku's primary tools.. MatauMatauA former Le-Metru test driver who became a Toa Metru, Matau wielded air, illusion, and shape-shifting before sacrificing his Toa power to wake the sleeping Matoran., tracking OrkahmOrkahmOrkahm was a Le-Matoran Ussal rider of Le-Metru, Matau's chief rival, one of the six finders of a Great Disk, and later a Gukko Force member on Mata Nui. during the MorbuzakhMorbuzakhA sentient plant monster created by Teridax to terrorize Metru Nui and control its population through fear. crisis, located his colleague in part by recognising the PewkuPewkuPewku is an Ussal, a species of Rahi crab associated with the Onu-Matoran, native to Metru Nui and later found on Spherus Magna. Originally blue and orange-yellow in coloration, Pewku molted to a burnt orange, silver, and brown coloring. Legs and claws served as Pewku's primary tools. carving at the Moto-HubMoto HubThe vehicle factory at Metru Nui's center, where Le-Matoran built chutes and ground transports before the Great Cataclysm., an early indication of how individually Ussals were identified by their riders.

Passenger airships were considered as an alternative method of transport within the city, but were judged slower and less efficient than the combination of ChutesThe Chute SystemThe pressurised liquid Protodermis transit network of Metru Nui, run from Le-Metru's Moto-Hub and carrying Matoran, cargo, and Rahi across the city. and UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. carts already in service. The UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. therefore occupied a long-standing and unchallenged position in the city's transportation infrastructure.

The Onu-Koro Ussalry#

When the MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. resettled on the island of Mata NuiMata Nui (Location)An island created by accident on the Great Spirit's face, home to the Matoran for a thousand years. after the Great CataclysmThe Great CataclysmThe day Makuta Teridax put the Great Spirit to sleep, the Great Spirit Robot fell from the sky, Metru Nui flooded, and Voya Nui tore loose from the Southern Continent., the UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. moved with them. Onu-KoroOnu-KoroOnu-Koro was the earth engineers' city, where underground isolation created one of Mata Nui's most self-sufficient settlements, until the Bohrok came., the underground village of the Onu-MatoranOnu-MatoranEarth-wielding Matoran of the deep who adapted to darkness and built the Matoran Universe's defensive cavalry., constructed the UssalryUssalryOnu-Koro's branch of the Mata Nui Military, made up of Onu-Matoran riders mounted on tamed Ussal crabs and led by High Commander Onepu. as a mounted force using domesticated Ussals as mounts. The UssalryUssalryOnu-Koro's branch of the Mata Nui Military, made up of Onu-Matoran riders mounted on tamed Ussal crabs and led by High Commander Onepu.'s role combined transportation, defence of the village, and ceremonial duties within the Onu-WahiOnu-WahiThe underground kingdom of Mata Nui, home to the Onu-Matoran and Toa Onua. network of tunnels.

OnepuOnepuOnepu is an Onu-Matoran and the High Commander of the Ussalry, bearing a Pakari and wearing the purple and black colors of his kind. Connected to the element of Earth, he resides on Spherus Magna., captain of the UssalryUssalryOnu-Koro's branch of the Mata Nui Military, made up of Onu-Matoran riders mounted on tamed Ussal crabs and led by High Commander Onepu., was the most accomplished individual rider on the island. He won the Great UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. Race, the principal competitive event of Onu-KoroOnu-KoroOnu-Koro was the earth engineers' city, where underground isolation created one of Mata Nui's most self-sufficient settlements, until the Bohrok came., five times in a row, an unprecedented streak in a sport with a long tradition of close finishes. OnepuOnepuOnepu is an Onu-Matoran and the High Commander of the Ussalry, bearing a Pakari and wearing the purple and black colors of his kind. Connected to the element of Earth, he resides on Spherus Magna. was also 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 right hand within the village and was frequently called on for counsel. The UssalryUssalryOnu-Koro's branch of the Mata Nui Military, made up of Onu-Matoran riders mounted on tamed Ussal crabs and led by High Commander Onepu. participated in the Battle of Kini-NuiThe Battle of Kini-NuiWhile the Toa Mata descended into Mangaia to confront Makuta Teridax, six Matoran with bamboo disks held the temple gate that was their only way back., travelling overland in support of the Chronicler's Company and engaging in the wider campaign against the released RahkshiRahkshiArmor suits powered by parasitic Kraata, Rahkshi were Teridax's most effective soldiers and among Bionicle's most visually iconic early enemies. and BohrokBohrokHive-minded mechanical creatures designed to reshape worlds, the Bohrok represent a threat the Toa Mata never expected. forces.

PewkuPewkuPewku is an Ussal, a species of Rahi crab associated with the Onu-Matoran, native to Metru Nui and later found on Spherus Magna. Originally blue and orange-yellow in coloration, Pewku molted to a burnt orange, silver, and brown coloring. Legs and claws served as Pewku's primary tools.#

The UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. known as PewkuPewkuPewku is an Ussal, a species of Rahi crab associated with the Onu-Matoran, native to Metru Nui and later found on Spherus Magna. Originally blue and orange-yellow in coloration, Pewku molted to a burnt orange, silver, and brown coloring. Legs and claws served as Pewku's primary tools. appears in the record more often than any other individual member of the species. Originally OrkahmOrkahmOrkahm was a Le-Matoran Ussal rider of Le-Metru, Matau's chief rival, one of the six finders of a Great Disk, and later a Gukko Force member on Mata Nui.'s preferred mount in Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive., PewkuPewkuPewku is an Ussal, a species of Rahi crab associated with the Onu-Matoran, native to Metru Nui and later found on Spherus Magna. Originally blue and orange-yellow in coloration, Pewku molted to a burnt orange, silver, and brown coloring. Legs and claws served as Pewku's primary tools. was rebuilt and relocated with the rest of the MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. to Mata NuiMata Nui (Location)An island created by accident on the Great Spirit's face, home to the Matoran for a thousand years. after the Great CataclysmThe Great CataclysmThe day Makuta Teridax put the Great Spirit to sleep, the Great Spirit Robot fell from the sky, Metru Nui flooded, and Voya Nui tore loose from the Southern Continent., and later passed into the keeping of TakuaTakuaAn Av-Matoran hidden on Mata Nui as a Ta-Matoran, who gathered the Toa Stones, served as Chronicler, and ultimately accepted the Avohkii to become Takanuva, the Toa of Light. the ChroniclerChroniclerThe Matoran role of recording history and Toa deeds through word and carving, held by figures like Takua and Hahli.. TakuaTakuaAn Av-Matoran hidden on Mata Nui as a Ta-Matoran, who gathered the Toa Stones, served as Chronicler, and ultimately accepted the Avohkii to become Takanuva, the Toa of Light. renamed her as part of the same Naming DayNaming DayThe Matoran holiday where crisis heroes got new identities, turning Jala into Jaller and Maku into Macku. that followed the BohrokBohrokHive-minded mechanical creatures designed to reshape worlds, the Bohrok represent a threat the Toa Mata never expected. crisis, the ceremony at which JalaJallerJaller served as Captain of the Ta-Koro Guard, led the Toa Inika to Voya Nui, and commanded the Toa Mahri through the recovery of the Mask of Life. became JallerJallerJaller served as Captain of the Ta-Koro Guard, led the Toa Inika to Voya Nui, and commanded the Toa Mahri through the recovery of the Mask of Life., MakuMackuMacku was a Ga-Matoran of Metru Nui and later Ga-Koro, attendant to Turaga Nokama, Kolhii partner to Hahli at the championship at Ta-Koro, and a member of the Chronicler's Company. became MackuMackuMacku was a Ga-Matoran of Metru Nui and later Ga-Koro, attendant to Turaga Nokama, Kolhii partner to Hahli at the championship at Ta-Koro, and a member of the Chronicler's Company., and HukiHewkiiHewkii rose from Po-Metru carver to Mata Nui's foremost kolhii player, then served as Toa Inika and Toa Mahri through the late wars of the universe. became HewkiiHewkiiHewkii rose from Po-Metru carver to Mata Nui's foremost kolhii player, then served as Toa Inika and Toa Mahri through the late wars of the universe.; PewkuPewkuPewku is an Ussal, a species of Rahi crab associated with the Onu-Matoran, native to Metru Nui and later found on Spherus Magna. Originally blue and orange-yellow in coloration, Pewku molted to a burnt orange, silver, and brown coloring. Legs and claws served as Pewku's primary tools.'s ceremony was held separately and informally by TakuaTakuaAn Av-Matoran hidden on Mata Nui as a Ta-Matoran, who gathered the Toa Stones, served as Chronicler, and ultimately accepted the Avohkii to become Takanuva, the Toa of Light. himself.

PewkuPewkuPewku is an Ussal, a species of Rahi crab associated with the Onu-Matoran, native to Metru Nui and later found on Spherus Magna. Originally blue and orange-yellow in coloration, Pewku molted to a burnt orange, silver, and brown coloring. Legs and claws served as Pewku's primary tools. carried TakuaTakuaAn Av-Matoran hidden on Mata Nui as a Ta-Matoran, who gathered the Toa Stones, served as Chronicler, and ultimately accepted the Avohkii to become Takanuva, the Toa of Light. and JallerJallerJaller served as Captain of the Ta-Koro Guard, led the Toa Inika to Voya Nui, and commanded the Toa Mahri through the recovery of the Mask of Life. on the journey to find the wearer of the AvohkiiAvohkiiThe Avohkii is the Mask of Light, a golden mask that granted its wearer the power of Light and the ability to spread understanding. It was worn by Toa Takanuva., passing through Le-WahiLe-WahiLe-Wahi is a region on the island of Mata Nui, inhabited by the Le-Matoran and Rahi. Formerly subject to the power of Teridax, the region is no longer under that influence. and the wider island in BIONICLE: Mask of LightThe Search for the Avohkii: Takua, the Rahkshi, and the Coming of TakanuvaThe recovery of the Mask of Light, the death of Jaller, and the transformation of the Chronicler into the Toa of Light at the gate of Mangaia.. Along the way the trio were attacked by the Ash BearAsh BearA heavily built bear-form Rahi engineered by the Makuta and seeded throughout the Matoran Universe, two to three times the size of a Matoran, usually peaceful and ruinous when its territory was crossed. Graalok and rescued by LewaLewaToa of Air, member of the Toa Mata and Toa Nuva, whose career was marked by repeated possession, body theft, and aerial campaigns from Le-Wahi to Karda Nui., and were ultimately separated from TakuaTakuaAn Av-Matoran hidden on Mata Nui as a Ta-Matoran, who gathered the Toa Stones, served as Chronicler, and ultimately accepted the Avohkii to become Takanuva, the Toa of Light. only when he completed his own transformation into TakanuvaTakanuvaHidden among the Ta-Matoran as Takua, the disguised Av-Matoran who became Takanuva was the sole Toa of Light produced in the Matoran Universe's full history.. TakanuvaTakanuvaHidden among the Ta-Matoran as Takua, the disguised Av-Matoran who became Takanuva was the sole Toa of Light produced in the Matoran Universe's full history. gave PewkuPewkuPewku is an Ussal, a species of Rahi crab associated with the Onu-Matoran, native to Metru Nui and later found on Spherus Magna. Originally blue and orange-yellow in coloration, Pewku molted to a burnt orange, silver, and brown coloring. Legs and claws served as Pewku's primary tools. to JallerJallerJaller served as Captain of the Ta-Koro Guard, led the Toa Inika to Voya Nui, and commanded the Toa Mahri through the recovery of the Mask of Life., and on the return to Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive. JallerJallerJaller served as Captain of the Ta-Koro Guard, led the Toa Inika to Voya Nui, and commanded the Toa Mahri through the recovery of the Mask of Life. returned her to OrkahmOrkahmOrkahm was a Le-Matoran Ussal rider of Le-Metru, Matau's chief rival, one of the six finders of a Great Disk, and later a Gukko Force member on Mata Nui.. She was later owned by MidakMidakAn Onu-Matoran whose obsession with light defied the nature of his species and element..

Place in the Record#

The UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. sits within the recorded history of the Matoran UniverseMatoran UniverseA civilization of biomechanical beings living inside a colossal robot, destroyed when Teridax seized control. as one of the small number of 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. species whose relationship with the MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. was settled, productive, and lasting. The species crossed the threshold of the Great CataclysmThe Great CataclysmThe day Makuta Teridax put the Great Spirit to sleep, the Great Spirit Robot fell from the sky, Metru Nui flooded, and Voya Nui tore loose from the Southern Continent., survived the move from city to island, and returned to the MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. on Spherus MagnaSpherus MagnaA desert world of ancient conflict that became the merger point of the Matoran Universe and Bionicle's true endpoint. after the final resettlement. Where the Kane-RaKane-RaBuffalo-like territorial Rahi that roamed Mata Nui's plains and Metru Nui's corridors, best known for encounters with the Toa. and the MuakaMuakaTiger-like predators of Ko-Wahi with claws, teeth, and a taste for anything that moves. embodied the danger 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 wild 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., the UssalUssalSix-legged crustacean Rahi domesticated across Metru Nui and Mata Nui for cargo, mining, and sport. Backbone of Matoran labor. embodied the steadier and more familiar relationship between MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. and beast, a partnership measured in centuries of cargo hauled, races run, and rides given to the ChroniclersChroniclerThe Matoran role of recording history and Toa deeds through word and carving, held by figures like Takua and Hahli. of the recorded ages.