The leiobunum nigropalpi is an arachnid with a notable morphology, possessing a single, fused body segment that distinguishes it from other similar species, and long, slender legs that contribute to its rather eerie locomotion. This peculiar creature exhibits maternal care, with females guarding their spherical egg clusters. Their diet also evolves from omnivorous juveniles, consuming plant matter and small invertebrates, to primarily carnivorous adults with a preference for insects.