WebThe caves of Illinois' sinkhole plain are the sole habitat of the Illinois Cave amphipod (Gammarus acherondytes), a federally endangered species. The sinkhole plain is a hydrologically-connected sequence of karstified limestone that constitutes an extensive karst aquifer which serves as an important source of potable water for area residents. WebGammarus acherondytes is a rare amphipod endemic to Illinois subterranean streams. It previously was recorded from five cave streams in Monroe and St. Clair counties, …

[PDF] The current status and habitats of the Illinois Cave amphipod ...

WebGammarus acherondytes Hubricht and Mackin, 1940, is a federally listed species of stygobitic (aquatic, cave obligate) amphipod endemic to a 230-square-kilometer area within the Sinkhole Plain Region (SPR) of southwestern Illinois, U.S.A. . WebMost people are familiar with one type of amphipod, the sand flea, ... The nearly 2000 known species inhabit a range of terrestrial, marine and ... for example caves. The one defining condition is that the habitat must contain some moisture. Unlike insects, amphipods don’t have a completely waterproof exoskeleton and eventually will die in ... funeral homes in bexley ohio

Potential effects of recurrent low oxygen conditions on the Illinois ...

WebAmphipoda is an order of malacostracan crustaceans with no carapace and generally with laterally compressed bodies. Amphipods range in size from 1 to 340 millimetres (0.039 to … Webknown. Like all spiders, the Kaua‘ i cave wolf spider is a predator and actively stalks its prey using its sense of touch or chemoreceptors. The species likely feeds on the Kaua‘i cave … Web(Fig. 1). In Missouri, the Enigmatic Cavesnail has been reported from several caves in Perry County, and a single site in St. Louis County, Cliff Cave (Hershler et al. 1990; Wu et al. 1997). The only population known east of the Mississippi River is the type-locality, Stemler Cave in St. Clair County, Illinois (Lewis et al. 2003). Fontigens antro- girl scout teddy bear