Wikipedia
Spelaeorchestia
Spelaeorchestia koloana, the Kauai cave amphipod or in Hawaiian, is a cave-dwelling crustacean only found on the Hawaiian island of Kauai. It is eyeless and measures long. It is only known from ten populations, and eats decaying plant matter and other decomposing material.
The Kauai cave amphipod is endemic to the caves on Kauai, Hawaii. Its main predator is the Kauai cave wolf spider Adelocosa anops, another endemic of the Kauai cave. It is listed as an endangered species under the Endangered Species Act, and on the IUCN Red List.