Endangered Animals of Hawaii

Kaua'i Cave Wolf Spider

The Kaua'i Cave Wolf Spider

The kaua'i cave wolf spider is classified as part of the arachnid species and a member to the wolf spider family. Its shell has a reddish-brown color with silvery hairs on the abdomen and legs. When a kaua'i cave wolf spider is at its largest at about 0.75 inches in length with a leg span of one and a half inches. Some unusual characteristics of the kaua'i cave wolf spider is that it has no eyes and and doesn't use the web technique when capturing prey.
Photo Credit: RedOrbit

Food Chain/ Habitat

Kaua'i cave wolf spider is an carnivore and its main prey is the kaua'i cave wolf amphipod. The kaua'i cave wolf spider hunts for its prey in its own habitat. Nonnative creatures would threaten this predator. Though the kaua'i cave wolf spider is located around the world, but only in Hawaii is there a large population of the kaua'i cave wolf spider. This spider lives in an isolated dark humid caves, and volcano cracks. The habitat of this spider could be found in mountains, beaches, and deserts.
Photo 1 Credit: Gordan Smith via Earlham College
Photo 2 Credit: William Mull via Earlham College
Photo 3 Credit: Peter Jager via Weird

Adaption/ Critical Information

The kaua'i cave wolf spider has a few features for its protection and survival. One is that the kaua'i cave wolf spider has no eyes because they live in dark caves. Unlike most spiders, the kaua'i cave wolf spider does not use the web technique when hunting for prey. The kaua'i cave wolf spider would use its large teeth to hide and then capture its prey. Not much is known about the kaua'i cave wolf spider's reproductive behavior. The mother's sacs that they would carry would mainly hold only 15 to 30 eggs. Kaua'i cave wolf spiders are harmless to the human race, but humans are the main threat to this creature. If the kaua'i cave wolf spider became extinct some food chains may collapse. From that, this could also harm the human population.

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Photo Credit: Jonathan Jay via Island Breath

Endangerment

  • Humans are the main reason why the kaua'i cave wolf spider is endangered. Its main threats is the loss of its habitat that are caused by human activities. Also, the kaua'i cave wolf spider are killed by chemicals and pest controls meant to kill other insects like ants and cockroaches. Numbers of the caves containing kaua'i cave wolf spiders are protected by the US Fish and Wildlife Service.
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Video Credit: Quintin, Boyd, Cody, Richard, and Luz via Youtube

Attribution For Images and Video


"Eyeless Cave-dwelling Spider Has Two-, Four- and Six-eyed Peers." Wired UK. N.p., n.d. Web. 22 Apr. 2013.


"Island Breath: Tehran Times Article about Kauai." Island Breath: Tehran Times Article about Kauai. N.p., n.d. Web. 22 Apr. 2013.



Kendall, Chrysalis, and Ashley Reyer. "Adelocosa Anops -." Earlham College. N.p., 3 Apr. 2006. Web. 22 Apr. 2013.


"Kauai Cave Wolf Spider." - Arachnids Reference Library. N.p., n.d. Web. 22 Apr. 2013.


YouTube. Dir. Fatima Saavedra. Perf. Quintin, Boyd, Cody, Richard, and Luz. YouTube. YouTube, 16 Apr. 2009. Web. 22 Apr. 2013.