Species Information

Class of Malacostraca (Crayfish, Amphipods, Isopods, Shrimp)


US STATUS DEFINITIONS      KENTUCKY STATUS DEFINITIONS

Clicking on Yes in the WAP column brings up the Wildlife Action Plan species account.


Linked life history provided courtesy of NatureServe Explorer.
Records may include both recent and historical observations.

Click a scientific name for its life history. You may also select county or quad for species observations in that area.

93 species are listed.
Scientific Name
and Life History
Common Name and Pictures Class US Status KY Status WAP List County List Quad
Cambarus striatus Ambiguous CrayfishMalacostracaNN CountyQuad
Crangonyx caecus An Amphipod (Crangonyx caecus)MalacostracaNT CountyQuad
Crangonyx castellanum An Amphipod (Crangonyx castellanum)MalacostracaNE CountyQuad
Crangonyx longidactylus An Amphipod (Crangonyx longidactylus)MalacostracaNT CountyQuad
Crangonyx specus An Amphipod (Crangonyx specus)MalacostracaNE CountyQuad
Stygobromus vitreus An Amphipod (Stygobromus vitreus)MalacostracaNS YesCountyQuad
Crangonyx anomalus Anomalous Spring AmphipodMalacostracaNN CountyQuad
Cambarus bartonii cavatus Appalachian Brook CrayfishMalacostracaNN CountyQuad
Orconectes packardi Appalachian Cave CrayfishMalacostracaNT YesCountyQuad
Orconectes barrenensis Barren River CrayfishMalacostracaNN CountyQuad
Cambarus callainus Big Sandy CrayfishMalacostracaTS YesCountyQuad
Cambarus bouchardi Big South Fork CrayfishMalacostracaNE YesCountyQuad
Cambarus robustus Big Water CrayfishMalacostracaNN CountyQuad
Orconectes placidus Bigclaw CrayfishMalacostracaNN CountyQuad
Orconectes burri Blood River CrayfishMalacostracaNT YesCountyQuad
Cambarus batchi Bluegrass CrayfishMalacostracaNN CountyQuad
Barbicambarus cornutus Bottlebrush CrayfishMalacostracaNS YesCountyQuad
Gammarus bousfieldi Bousfield's AmphipodMalacostracaNE YesCountyQuad
Cambarus distans Boxclaw CrawfishMalacostracaNN CountyQuad
Cambarus hazardi Brawny CrayfishMalacostracaNN CountyQuad
Cambarellus shufeldtii Cajun Dwarf CrayfishMalacostracaNS YesCountyQuad
Orconectes immunis Calico CrayfishMalacostracaNN CountyQuad
Crangonyx forbesi Cave AmphipodMalacostracaNN CountyQuad
Cambarus tenebrosus Cavespring CrayfishMalacostracaNN CountyQuad
Stygobromus exilis Central Kentucky Cave AmphipodMalacostracaNN CountyQuad
Caecidotea barri Clifton Cave IsopodMalacostracaNE YesCountyQuad
Cambarus theepiensis Coalfields CrayfishMalacostracaNN CountyQuad
Orconectes bisectus Crittenden CrayfishMalacostracaNT YesCountyQuad
Cambarus cumberlandensis Cumberland CrayfishMalacostracaNN CountyQuad
Orconectes barri Cumberland Plateau Cave CrayfishMalacostracaNT YesCountyQuad
Cambarus taylori Cutshin CrayfishMalacostracaNN CountyQuad
Cambarus rusticiformis Depression CrayfishMalacostracaNN CountyQuad
Cambarus diogenes Devil CrayfishMalacostracaNN CountyQuad
Creaserinus fodiens Digger CrayfishMalacostracaNN CountyQuad
Cambarus adustus Dusky MudbugMalacostracaNN CountyQuad
Crangonyx richmondensis Ellis Bog CrangonyctidMalacostracaNN CountyQuad
Orconectes inermis inermis Ghost CrayfishMalacostracaNS YesCountyQuad
Orconectes palmeri palmeri Gray-speckled CrayfishMalacostracaNE YesCountyQuad
Cambarus friaufi Hairy CrayfishMalacostracaNS YesCountyQuad
Orconectes kentuckiensis Kentucky CrayfishMalacostracaNN CountyQuad
Orconectes juvenilis Kentucky River CrayfishMalacostracaNN CountyQuad
Orconectes pardalotus Leopard CrayfishMalacostracaNN CountyQuad
Crangonyx lewisi Lewis Cave AmphipodMalacostracaNT CountyQuad
Cambarus thomai Little Brown MudbugMalacostracaNN CountyQuad
Orconectes margorectus Livingston CrayfishMalacostracaNT YesCountyQuad
Cambarus buntingi Longclaw CrayfishMalacostracaNS YesCountyQuad
Orconectes jeffersoni Louisville CrayfishMalacostracaNE YesCountyQuad
Orconectes pellucidus Mammoth Cave CrayfishMalacostracaNS YesCountyQuad
Palaemonias ganteri Mammoth Cave ShrimpMalacostracaEE YesCountyQuad
Crangonyx minor Minor Cave AmphipodMalacostracaNN CountyQuad
Palaemonetes kadiakensis Mississippi Grass ShrimpMalacostracaNN CountyQuad
Cambarus parvoculus Mountain Midget CrayfishMalacostracaNT YesCountyQuad
Orconectes ronaldi Mud River CrayfishMalacostracaNT YesCountyQuad
Asellus forbesi No Common Name (Asellus forbesi)MalacostracaNN CountyQuad
Bactrurus brachycaudus No Common Name (Bactrurus brachycaudus)MalacostracaNN CountyQuad
Bactrurus mucronatus No Common Name (Bactrurus mucronatus)MalacostracaNN CountyQuad
Caecidotea brevicauda No Common Name (Caecidotea brevicauda)MalacostracaNN CountyQuad
Caecidotea intermedia No Common Name (Caecidotea intermedia)MalacostracaNN CountyQuad
Gammarus fasciatus No Common Name (Gammarus fasciatus)MalacostracaNN CountyQuad
Gammarus minus No Common Name (Gammarus minus)MalacostracaNN CountyQuad
Hyalella azteca No Common Name (Hyalella azteca)MalacostracaNN CountyQuad
Pontoporeia hoyi No Common Name (Pontoporeia hoyi)MalacostracaNN CountyQuad
Synurella bifurca No Common Name (Synurella bifurca)MalacostracaNN CountyQuad
Synurella dentata No Common Name (Synurella dentata)MalacostracaNN CountyQuad
Orconectes raymondi Norwood River CrayfishMalacostracaNN CountyQuad
Macrobrachium ohione Ohio ShrimpMalacostracaNE YesCountyQuad
Cambarus ortmanni Ortmann's MudbugMalacostracaNN CountyQuad
Crangonyx packardi Packard's Cave AmphipodMalacostracaNN CountyQuad
Cambarus ludovicianus Painted Devil CrayfishMalacostracaNN CountyQuad
Cambarus polychromatus Paintedhand MudbugMalacostracaNN CountyQuad
Orconectes putnami Phallic CrayfishMalacostracaNN CountyQuad
Procambarus clarkii Red Swamp CrawfishMalacostracaNN CountyQuad
Cambarus guenteri Redbird CrayfishMalacostracaNN CountyQuad
Orconectes rafinesquei Rough River CrayfishMalacostracaNN CountyQuad
Stygobromus lucifugus Rubious Cave AmphipodMalacostracaNN CountyQuad
Orconectes rusticus Rusty CrayfishMalacostracaNN CountyQuad
Orconectes durelli Saddle CrayfishMalacostracaNN CountyQuad
Orconectes sanbornii Sanborn's CrayfishMalacostracaNN CountyQuad
Orconectes lancifer Shrimp CrayfishMalacostracaNE YesCountyQuad
Orconectes compressus Slender CrayfishMalacostracaNN CountyQuad
Cambarus jezerinaci Spiny Scale CrayfishMalacostracaNN CountyQuad
Orconectes cristavarius Spiny Stream CrayfishMalacostracaNN CountyQuad
Stygobromus subtilis Subtle StygobromidMalacostracaNN CountyQuad
Cambarellus puer Swamp Dwarf CrayfishMalacostracaNE YesCountyQuad
Cambarus sciotensis Teays River CrayfishMalacostracaNN CountyQuad
Cambarus sphenoides Triangleclaw CrayfishMalacostracaNN CountyQuad
Cambarus hatfieldi Tug Valley CrayfishMalacostracaNN CountyQuad
Cambarus graysoni Twospot CrayfishMalacostracaNN CountyQuad
Cambarus dubius Upland Burrowing CrayfishMalacostracaNN CountyQuad
Cambarus deweesae Valley Flame CrayfishMalacostracaNN CountyQuad
Procambarus viaeviridis Vernal CrayfishMalacostracaNT YesCountyQuad
Orconectes tricuspis Western Highland CrayfishMalacostracaNN CountyQuad
Procambarus acutus White River CrawfishMalacostracaNN CountyQuad