Spelaeorchestia

Spelaeorchestia koloana, the Kauaʻi cave amphipod or ʻuku noho ana in Hawaiian, is a cave-dwelling crustacean only found on the Hawaiian island of Kauaʻi. It is eyeless and measures 7–10 mm (0.28–0.39 in) long.^[3] It is only known from 10 populations,^[4] and eats decaying plant matter and other decomposing material.

Spelaeorchestia koloana
Conservation status
Endangered  (IUCN 2.3)[1]
Endangered (ESA)[2]
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Amphipoda
Family:	Talitridae
Genus:	Spelaeorchestia
Species:	S. koloana
Binomial name
Spelaeorchestia koloana Bousfield & Howarth, 1976

The Kauaʻi cave amphipod is endemic to the caves on Kauaʻi, Hawaii. Its main predator is the Kauaʻi cave wolf spider Adelocosa anops, another endemic of the Kauaʻi cave. It is listed as an endangered species under the Endangered Species Act,^[2] and on the IUCN Red List.^[1]