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Kauaʻi cave wolf spider
The Kauai cave wolf spider (''Adelocosa anops'') also known to local residents as the "blind spider", is only known to occur in a few caves in a lava flow with an area of in the Kōloa–Poipū region of Kauai, Hawaiian Islands, and only six populations are known to exist.〔(【引用サイトリンク】title=Endangered Species in the Pacific Islands. Kaua‘i Cave Arthropods )〕 While their nearest surface-dwelling relatives have large eyes, this species has completely lost its eyes. They reach a body length of about , are reddish brown and completely harmless to people.〔 Unlike most wolf spiders, it produces only 15 to 30 eggs per clutch. The female carries the egg sac in her mouthparts until the spiderlings hatch.〔
One of its primary prey species is the Kauai cave amphipod, ''Spelaeorchestia koloana'', which is only known from nine populations and reaches about in length.〔 These feed on decomposing plant matter. Both species were discovered in 1971. Counts have never documented more than 30 spiders or 80 amphipods.〔(【引用サイトリンク】url=http://www.state.hi.us/dlnr/dofaw/cwcs/files/NAAT%20final%20CWCS/Chapters/Terrestrial%20Fact%20Sheets/Inverts/Kauai%20Cave%20arthropods%20NAAT%20final%20!.pdf )〕
==See also==
*List of troglobites
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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