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dust darter

Dust darters were tiny insect Rahi which dwelt in the realm of Karzahni[1] and fed on metallic protodermis. They were relatively harmless individually, but over time a swarm could do severe damage to anything metallic or mechanical. They were considered pests.[2]

Notes

Dust darters were barely big enough to be seen by the naked eye. They lived in and around the dust falls of Karzahni. As a swarm they looked like nothing more than a cloud of dust, which helped to camouflage them from predators. Although they seemed harmless, they could do damage over a long period of time, since they fed off of metallic protodermis. Over time, they could weaken the armor of a Manas or worsen the damage to a Matoran's mechanical parts. Inside Karzahni, one could hear the almost rhythmic sound of metal striking rock as Matoran swatted dust darters.[3]