Kiwa hirsuta

[1] This decapod, which is approximately 15 cm (5.9 in) long, is notable for the quantity of silky blond setae (resembling fur) covering its pereiopods (thoracic legs, including claws).

It was found along the Pacific-Antarctic Ridge, 1,500 kilometres (930 mi) south of Easter Island at a depth of 2,200 metres (7,200 ft), living on hydrothermal vents.

[1] Based on both morphology and molecular data, the organism was deemed to form a new biological family (Kiwaidae);[4] a second species, Kiwa puravida, was discovered in 2006 and described in 2011.

The "hairy" pincers contain filamentous bacteria, which the creature may use to detoxify poisonous minerals from the water emitted by the hydrothermal vents where it lives.

[9] Genomic studies of Kiwa hirsuta have provided insights into its evolutionary history and adaptation to the extreme environment of hydrothermal vents.

The analysis of its genome may offer clues about the genetic basis of its unique characteristics, such as the adaptation to low-light conditions and the utilization of chemosynthetic bacteria for nutrition.

Conservation efforts are also being explored to mitigate the impact of deep-sea mining and other human activities on the hydrothermal vent ecosystems where these crabs reside.

For example, researchers have documented interactions between individuals, including potential mating behaviors and social dynamics within populations living around hydrothermal vents.

"Ontogenetic variation in epibiont community structure in the deep-sea yeti crab, Kiwa puravida: Convergence among crustaceans".

"Ontogenetic variation in epibiont community structure in the deep-sea yeti crab, Kiwa puravida: Convergence among crustaceans".