Stygobromus hayi
| Stygobromus hayi | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Superorder: | Peracarida |
| Order: | Amphipoda |
| Family: | Crangonyctidae |
| Genus: | Stygobromus |
| Species: | S. hayi
|
| Binomial name | |
| Stygobromus hayi (Hubricht & Mackin, 1940)
| |
Stygobromus hayi is a rare species of
Rock Creek, a tributary of the Potomac River.[3] It is a federally listed endangered species,[4] is listed as Endangered on the IUCN Red List,[1] and as Critically Imperiled by NatureServe.[2]
One of three
seeps formed when water rises through the substrate and is then trapped just under the ground surface by a clay layer.[3]
This amphipod measures 10 millimeters (0.39 in) in length. Because it lives underground, it is
white in color and eyeless.[2]
This species is threatened by the degradation of its urban habitat.
fertilizer runoff.[5] Flooding may destroy individuals and remove the microhabitat they inhabit. Construction nearby may damage the creek. Recreational activity next to the creek may increase the likelihood of pollution.[4]
Rock Creek Park protects the creeks and its springs. Different agencies monitor the creek and its sensitive species, including this amphipod and its relative, Stygobromus kenki.[5]
References
- ^ . Retrieved 15 November 2021.
- ^ a b c d e "Stygobromus hayi". NatureServe Explorer An online encyclopedia of life. 7.1. NatureServe. Retrieved 5 March 2023.
- ^ a b c Diane Pavek. "Urban refuge for rare amphipods in the National Capital Region" (PDF). Natural Resource Year in Review 2001. National Park Service. Archived from the original on 19 June 2015.
- ^ a b c USFWS. Stygobromus hayi Five-year Review. December 2007.
- ^ a b c Diane Pavek (Jan–Feb 2002). "Endemic amphipods in our nation's capital". Endangered Species Bulletin. USFWS. Archived from the original on 23 November 2004.