Cyprogenia stegaria - Earth.com
Cyprogenia stegaria
12-22-2016

Cyprogenia stegaria

Cyprogenia stegaria NatureServe Explorer Species Reports — NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports — Cyprogenia stegaria ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world. Also are worm-like conglutinates that resemble oligochaetes. Conglutinates are 20 to 80 mm long and are released through the excurrent aperture.

FWS Digital Media Library — The U.S. Fish and Wildlife Service’s National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video. The fanshell is a species of aquatic bivalve mollusk in the family Unionidae. This clam is native to the United States, where breeding populations remain in only three rivers. It is a federally listed endangered species of the United States. To its fish host, a fanshell larva looks like a worm. When the fish host attacks, the larva attaches itself to the gills, where it will grow into a juvenile fanshell. Status: Endangered . Habitat: This mussel is found in medium to large rivers. It buries itself in sand or gravel in deep water of. Restricted to Tennessee River system. Remnant populations are found only in Wilson Dam tailwaters. Restricted to lotic habitats. Listed as endangered by the U.S. Fish and Wildlife Service. HIGHEST CONSERVATION CONCERN.

Detailed information
Full Name: fanshell (Cyprogenia stegaria)
Where found: U.S.A. (TN - specified portions of the French Broad and Holston Rivers; see 17.85(b)(1))
Critical Habitat:N/A
Species Group:Clams
Current listing status
Status Date Listed Lead Region Where Listed
Endangered 06/21/1990 Southeast Region (Region 4) Wherever found
Experimental Population, Non-Essential 10/15/2007 Southeast Region (Region 4) U.S.A. (TN - specified portions of the French Broad and Holston Rivers; see 17.85(b)(1))
  • Population location: Wherever found Listing status: Endangered
      • States/US Territories in which this population is known to or is believed to occur: Alabama , Illinois , Indiana , Kentucky , Ohio , Tennessee , Virginia , West Virginia
      • US Counties in which this population is known to or is believed to occur: View All
      • USFWS Refuges in which this population is known to occur: Ohio River Islands National Wildlife Refuge, Tennessee National Wildlife Refuge
  • Population location: U.S.A. (TN - specified portions of the French Broad and Holston Rivers; see 17.85(b)(1)) Listing status: Experimental Population, Non-Essential
Recovery
No critical habitat rules have been published for the fanshell.
Date
Title
Plan Action Status
Plan Status
07/09/1991 Fanshell (Mussel) View Implementation Progress Final
Date
Title
Plan Action Status
Plan Status
07/09/1991 Fanshell (Mussel) View Implementation Progress Final
Date
Citation Page
Title
Document Type
07/29/2008 73 FR 43947 43948 5-Year Status Review of 20 Southeastern Species
  • Notice 5-year Review, Initiation
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