KENTUCKY DEPARTMENT of
FISH & WILDLIFE RESOURCES

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.

102 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 Crayfish Malacostraca N N Yes County Quad
Crangonyx pseudogracilis An (Crangonyx pseudogracilis) Malacostraca N N County Quad
Crangonyx caecus An Amphipod (Crangonyx caecus) Malacostraca N T County Quad
Crangonyx castellanum An Amphipod (Crangonyx castellanum) Malacostraca N E County Quad
Crangonyx longidactylus An Amphipod (Crangonyx longidactylus) Malacostraca N T County Quad
Crangonyx specus An Amphipod (Crangonyx specus) Malacostraca N E County Quad
Crangonyx bousfieldi An Amphipod (Crangonyx bousfieldi) Malacostraca N N County Quad
Crangonyx ohioensis An Amphipod (Crangonyx ohioensis) Malacostraca N N County Quad
Stygobromus vitreus An Amphipod (Stygobromus vitreus) Malacostraca N S Yes County Quad
Crangonyx anomalus Anomalous Spring Amphipod Malacostraca N N County Quad
Cambarus bartonii cavatus Appalachian Brook Crayfish Malacostraca N N Yes County Quad
Orconectes packardi Appalachian Cave Crayfish Malacostraca N T Yes County Quad
Crangonyx barri Barr's Cave Amphipod Malacostraca N N County Quad
Faxonius barrenensis Barren River Crayfish Malacostraca N N County Quad
Cambarus callainus Big Sandy Crayfish Malacostraca T T Yes County Quad
Cambarus bouchardi Big South Fork Crayfish Malacostraca N E Yes County Quad
Faxonius placidus Bigclaw Crayfish Malacostraca N N County Quad
Faxonius burri Blood River Crayfish Malacostraca N T Yes County Quad
Cambarus batchi Bluegrass Crayfish Malacostraca N N Yes County Quad
Barbicambarus cornutus Bottlebrush Crayfish Malacostraca N S Yes County Quad
Gammarus bousfieldi Bousfield's Amphipod Malacostraca N E Yes County Quad
Cambarus distans Boxclaw Crayfish Malacostraca N N County Quad
Cambarus hazardi Brawny Crayfish Malacostraca N S Yes County Quad
Cambarellus shufeldtii Cajun Dwarf Crayfish Malacostraca N S Yes County Quad
Faxonius immunis Calico Crayfish Malacostraca N N County Quad
Cambarus intermontanus n. sp. Cambarus intermontanus n. sp. Malacostraca N N County Quad
Cambarus tenebrosus Cavespring Crayfish Malacostraca N N County Quad
Stygobromus exilis Central Kentucky Cave Amphipod Malacostraca N N County Quad
Caecidotea barri Clifton Cave Isopod Malacostraca N E Yes County Quad
Cambarus theepiensis Coalfields Crayfish Malacostraca N S County Quad
Lacunicambarus chimera Crawzilla Crawdad Malacostraca N S Yes County Quad
Faxonius bisectus Crittenden Crayfish Malacostraca N T Yes County Quad
Cambarus cumberlandensis Cumberland Crayfish Malacostraca N N County Quad
Orconectes barri Cumberland Plateau Cave Crayfish Malacostraca N T Yes County Quad
Cambarus taylori Cutshin Crayfish Malacostraca N S Yes County Quad
Cambarus rusticiformis Depression Crayfish Malacostraca N N Yes County Quad
Creaserinus fodiens Digger Crayfish Malacostraca N N Yes County Quad
Cambarus adustus Dusky Mudbug Malacostraca N E Yes County Quad
Crangonyx floridanus Florida Crangonyctid Malacostraca N N County Quad
Crangonyx forbesi Forbes Crangonyctid Malacostraca N N County Quad
Caecidotea franzi Franz's Cave Isopod Malacostraca N N County Quad
Orconectes inermis inermis Ghost Crayfish Malacostraca N S Yes County Quad
Faxonius palmeri palmeri Gray-speckled Crayfish Malacostraca N E Yes County Quad
Cambarus friaufi Hairy Crayfish Malacostraca N S Yes County Quad
Crangonyx setodactylus Hairy-fingered Crangonyctid Malacostraca N N County Quad
Faxonius kentuckiensis Kentucky Crayfish Malacostraca N T Yes County Quad
Faxonius juvenilis Kentucky River Crayfish Malacostraca N N County Quad
Faxonius pardalotus Leopard Crayfish Malacostraca N S Yes County Quad
Crangonyx lewisi Lewis Cave Amphipod Malacostraca N T County Quad
Lacunicambarus thomai Little Brown Mudbug Malacostraca N N County Quad
Faxonius margorectus Livingston Crayfish Malacostraca N S Yes County Quad
Cambarus buntingi Longclaw Crayfish Malacostraca N T Yes County Quad
Faxonius jeffersoni Louisville Crayfish Malacostraca N E Yes County Quad
Orconectes pellucidus Mammoth Cave Crayfish Malacostraca N S Yes County Quad
Palaemonias ganteri Mammoth Cave Shrimp Malacostraca E E Yes County Quad
Palaemonetes kadiakensis Mississippi Grass Shrimp Malacostraca N N County Quad
Cambarus parvoculus Mountain Midget Crayfish Malacostraca N S Yes County Quad
Faxonius elix MoWild Crayfish Malacostraca N N Yes County Quad
Faxonius ronaldi Mud River Crayfish Malacostraca N N Yes County Quad
Caecidotea bicrenata No Common Name (Caecidotea bicrenata Malacostraca N N County Quad
Caecidotea bicrenata bicrenata No Common Name (Caecidotea bicrenata bicrenata) Malacostraca N N County Quad
Caecidotea bicrenata whitei No Common Name (Caecidotea bicrenata whitei) Malacostraca N N County Quad
Caecidotea brevicauda No Common Name (Caecidotea brevicauda) Malacostraca N N County Quad
Caecidotea intermedia No Common Name (Caecidotea intermedia) Malacostraca N N County Quad
Gammarus fasciatus No Common Name (Gammarus fasciatus) Malacostraca N N County Quad
Gammarus minus No Common Name (Gammarus minus) Malacostraca N N County Quad
Hyalella azteca No Common Name (Hyalella azteca) Malacostraca N N County Quad
Synurella bifurca No Common Name (Synurella bifurca) Malacostraca N N County Quad
Synurella dentata No Common Name (Synurella dentata) Malacostraca N N County Quad
Faxonius raymondi Norwood River Crayfish Malacostraca N N Yes County Quad
Macrobrachium ohione Ohio Shrimp Malacostraca N E Yes County Quad
Crangonyx rivularis Ontario Stream Crangonyctid Malacostraca N N County Quad
Cambarus ortmanni Ortmann's Mudbug Malacostraca N N Yes County Quad
Crangonyx packardi Packard's Cave Amphipod Malacostraca N N County Quad
Lacunicambarus ludovicianus Painted Devil Crayfish Malacostraca N T County Quad
Lacunicambarus polychromatus Paintedhand Mudbug Malacostraca N N County Quad
Faxonius putnami Phallic Crayfish Malacostraca N N County Quad
Procambarus clarkii Red Swamp Crawfish Malacostraca N N County Quad
Cambarus guenteri Redbird Crayfish Malacostraca N S County Quad
Faxonius rafinesquei Rough River Crayfish Malacostraca N S Yes County Quad
Stygobromus lucifugus Rubious Cave Amphipod Malacostraca N N County Quad
Faxonius rusticus Rusty Crayfish Malacostraca N N Yes County Quad
Faxonius durelli Saddle Crayfish Malacostraca N S County Quad
Faxonius sanbornii Sanborn's Crayfish Malacostraca N S County Quad
Faxonius bellator Screaming Eagle Crayfish Malacostraca N S Yes County Quad
Faxonius lancifer Shrimp Crayfish Malacostraca N E Yes County Quad
Faxonius compressus Slender Crayfish Malacostraca N N County Quad
Crangonyx minor Small Stream Crangonyctid Malacostraca N N County Quad
Stygobromus mackini Southwestern Virginia Cave Amphipod Malacostraca N N County Quad
Cambarus jezerinaci Spiny Scale Crayfish Malacostraca N S Yes County Quad
Faxonius cristavarius Spiny Stream Crayfish Malacostraca N N County Quad
Caecidotea stygia Stygian Cave Isopod Malacostraca N N County Quad
Cambarellus puer Swamp Dwarf Crayfish Malacostraca N E Yes County Quad
Cambarus sciotensis Teays River Crayfish Malacostraca N S Yes County Quad
Cambarus sphenoides Triangleclaw Crayfish Malacostraca N N County Quad
Cambarus hatfieldi Tug Valley Crayfish Malacostraca N N Yes County Quad
Cambarus graysoni Twospot Crayfish Malacostraca N N Yes County Quad
Cambarus dubius Upland Burrowing Crayfish Malacostraca N N Yes County Quad
Cambarus deweesae Valley Flame Crayfish Malacostraca N S Yes County Quad
Procambarus viaeviridis Vernal Crayfish Malacostraca N T Yes County Quad
Faxonius tricuspis Western Highland Crayfish Malacostraca N N Yes County Quad
Procambarus acutus White River Crawfish Malacostraca N N County Quad

Scientific Name and Life History	Common Name and Pictures	Class	US Status	KY Status	WAP	List County	List Quad
Cambarus striatus	Ambiguous Crayfish	Malacostraca	N	N	Yes	County	Quad
Crangonyx pseudogracilis	An (Crangonyx pseudogracilis)	Malacostraca	N	N		County	Quad
Crangonyx caecus	An Amphipod (Crangonyx caecus)	Malacostraca	N	T		County	Quad
Crangonyx castellanum	An Amphipod (Crangonyx castellanum)	Malacostraca	N	E		County	Quad
Crangonyx longidactylus	An Amphipod (Crangonyx longidactylus)	Malacostraca	N	T		County	Quad
Crangonyx specus	An Amphipod (Crangonyx specus)	Malacostraca	N	E		County	Quad
Crangonyx bousfieldi	An Amphipod (Crangonyx bousfieldi)	Malacostraca	N	N		County	Quad
Crangonyx ohioensis	An Amphipod (Crangonyx ohioensis)	Malacostraca	N	N		County	Quad
Stygobromus vitreus	An Amphipod (Stygobromus vitreus)	Malacostraca	N	S	Yes	County	Quad
Crangonyx anomalus	Anomalous Spring Amphipod	Malacostraca	N	N		County	Quad
Cambarus bartonii cavatus	Appalachian Brook Crayfish	Malacostraca	N	N	Yes	County	Quad
Orconectes packardi	Appalachian Cave Crayfish	Malacostraca	N	T	Yes	County	Quad
Crangonyx barri	Barr's Cave Amphipod	Malacostraca	N	N		County	Quad
Faxonius barrenensis	Barren River Crayfish	Malacostraca	N	N		County	Quad
Cambarus callainus	Big Sandy Crayfish	Malacostraca	T	T	Yes	County	Quad
Cambarus bouchardi	Big South Fork Crayfish	Malacostraca	N	E	Yes	County	Quad
Faxonius placidus	Bigclaw Crayfish	Malacostraca	N	N		County	Quad
Faxonius burri	Blood River Crayfish	Malacostraca	N	T	Yes	County	Quad
Cambarus batchi	Bluegrass Crayfish	Malacostraca	N	N	Yes	County	Quad
Barbicambarus cornutus	Bottlebrush Crayfish	Malacostraca	N	S	Yes	County	Quad
Gammarus bousfieldi	Bousfield's Amphipod	Malacostraca	N	E	Yes	County	Quad
Cambarus distans	Boxclaw Crayfish	Malacostraca	N	N		County	Quad
Cambarus hazardi	Brawny Crayfish	Malacostraca	N	S	Yes	County	Quad
Cambarellus shufeldtii	Cajun Dwarf Crayfish	Malacostraca	N	S	Yes	County	Quad
Faxonius immunis	Calico Crayfish	Malacostraca	N	N		County	Quad
Cambarus intermontanus n. sp.	Cambarus intermontanus n. sp.	Malacostraca	N	N		County	Quad
Cambarus tenebrosus	Cavespring Crayfish	Malacostraca	N	N		County	Quad
Stygobromus exilis	Central Kentucky Cave Amphipod	Malacostraca	N	N		County	Quad
Caecidotea barri	Clifton Cave Isopod	Malacostraca	N	E	Yes	County	Quad
Cambarus theepiensis	Coalfields Crayfish	Malacostraca	N	S		County	Quad
Lacunicambarus chimera	Crawzilla Crawdad	Malacostraca	N	S	Yes	County	Quad
Faxonius bisectus	Crittenden Crayfish	Malacostraca	N	T	Yes	County	Quad
Cambarus cumberlandensis	Cumberland Crayfish	Malacostraca	N	N		County	Quad
Orconectes barri	Cumberland Plateau Cave Crayfish	Malacostraca	N	T	Yes	County	Quad
Cambarus taylori	Cutshin Crayfish	Malacostraca	N	S	Yes	County	Quad
Cambarus rusticiformis	Depression Crayfish	Malacostraca	N	N	Yes	County	Quad
Creaserinus fodiens	Digger Crayfish	Malacostraca	N	N	Yes	County	Quad
Cambarus adustus	Dusky Mudbug	Malacostraca	N	E	Yes	County	Quad
Crangonyx floridanus	Florida Crangonyctid	Malacostraca	N	N		County	Quad
Crangonyx forbesi	Forbes Crangonyctid	Malacostraca	N	N		County	Quad
Caecidotea franzi	Franz's Cave Isopod	Malacostraca	N	N		County	Quad
Orconectes inermis inermis	Ghost Crayfish	Malacostraca	N	S	Yes	County	Quad
Faxonius palmeri palmeri	Gray-speckled Crayfish	Malacostraca	N	E	Yes	County	Quad
Cambarus friaufi	Hairy Crayfish	Malacostraca	N	S	Yes	County	Quad
Crangonyx setodactylus	Hairy-fingered Crangonyctid	Malacostraca	N	N		County	Quad
Faxonius kentuckiensis	Kentucky Crayfish	Malacostraca	N	T	Yes	County	Quad
Faxonius juvenilis	Kentucky River Crayfish	Malacostraca	N	N		County	Quad
Faxonius pardalotus	Leopard Crayfish	Malacostraca	N	S	Yes	County	Quad
Crangonyx lewisi	Lewis Cave Amphipod	Malacostraca	N	T		County	Quad
Lacunicambarus thomai	Little Brown Mudbug	Malacostraca	N	N		County	Quad
Faxonius margorectus	Livingston Crayfish	Malacostraca	N	S	Yes	County	Quad
Cambarus buntingi	Longclaw Crayfish	Malacostraca	N	T	Yes	County	Quad
Faxonius jeffersoni	Louisville Crayfish	Malacostraca	N	E	Yes	County	Quad
Orconectes pellucidus	Mammoth Cave Crayfish	Malacostraca	N	S	Yes	County	Quad
Palaemonias ganteri	Mammoth Cave Shrimp	Malacostraca	E	E	Yes	County	Quad
Palaemonetes kadiakensis	Mississippi Grass Shrimp	Malacostraca	N	N		County	Quad
Cambarus parvoculus	Mountain Midget Crayfish	Malacostraca	N	S	Yes	County	Quad
Faxonius elix	MoWild Crayfish	Malacostraca	N	N	Yes	County	Quad
Faxonius ronaldi	Mud River Crayfish	Malacostraca	N	N	Yes	County	Quad
Caecidotea bicrenata	No Common Name (Caecidotea bicrenata	Malacostraca	N	N		County	Quad
Caecidotea bicrenata bicrenata	No Common Name (Caecidotea bicrenata bicrenata)	Malacostraca	N	N		County	Quad
Caecidotea bicrenata whitei	No Common Name (Caecidotea bicrenata whitei)	Malacostraca	N	N		County	Quad
Caecidotea brevicauda	No Common Name (Caecidotea brevicauda)	Malacostraca	N	N		County	Quad
Caecidotea intermedia	No Common Name (Caecidotea intermedia)	Malacostraca	N	N		County	Quad
Gammarus fasciatus	No Common Name (Gammarus fasciatus)	Malacostraca	N	N		County	Quad
Gammarus minus	No Common Name (Gammarus minus)	Malacostraca	N	N		County	Quad
Hyalella azteca	No Common Name (Hyalella azteca)	Malacostraca	N	N		County	Quad
Synurella bifurca	No Common Name (Synurella bifurca)	Malacostraca	N	N		County	Quad
Synurella dentata	No Common Name (Synurella dentata)	Malacostraca	N	N		County	Quad
Faxonius raymondi	Norwood River Crayfish	Malacostraca	N	N	Yes	County	Quad
Macrobrachium ohione	Ohio Shrimp	Malacostraca	N	E	Yes	County	Quad
Crangonyx rivularis	Ontario Stream Crangonyctid	Malacostraca	N	N		County	Quad
Cambarus ortmanni	Ortmann's Mudbug	Malacostraca	N	N	Yes	County	Quad
Crangonyx packardi	Packard's Cave Amphipod	Malacostraca	N	N		County	Quad
Lacunicambarus ludovicianus	Painted Devil Crayfish	Malacostraca	N	T		County	Quad
Lacunicambarus polychromatus	Paintedhand Mudbug	Malacostraca	N	N		County	Quad
Faxonius putnami	Phallic Crayfish	Malacostraca	N	N		County	Quad
Procambarus clarkii	Red Swamp Crawfish	Malacostraca	N	N		County	Quad
Cambarus guenteri	Redbird Crayfish	Malacostraca	N	S		County	Quad
Faxonius rafinesquei	Rough River Crayfish	Malacostraca	N	S	Yes	County	Quad
Stygobromus lucifugus	Rubious Cave Amphipod	Malacostraca	N	N		County	Quad
Faxonius rusticus	Rusty Crayfish	Malacostraca	N	N	Yes	County	Quad
Faxonius durelli	Saddle Crayfish	Malacostraca	N	S		County	Quad
Faxonius sanbornii	Sanborn's Crayfish	Malacostraca	N	S		County	Quad
Faxonius bellator	Screaming Eagle Crayfish	Malacostraca	N	S	Yes	County	Quad
Faxonius lancifer	Shrimp Crayfish	Malacostraca	N	E	Yes	County	Quad
Faxonius compressus	Slender Crayfish	Malacostraca	N	N		County	Quad
Crangonyx minor	Small Stream Crangonyctid	Malacostraca	N	N		County	Quad
Stygobromus mackini	Southwestern Virginia Cave Amphipod	Malacostraca	N	N		County	Quad
Cambarus jezerinaci	Spiny Scale Crayfish	Malacostraca	N	S	Yes	County	Quad
Faxonius cristavarius	Spiny Stream Crayfish	Malacostraca	N	N		County	Quad
Caecidotea stygia	Stygian Cave Isopod	Malacostraca	N	N		County	Quad
Cambarellus puer	Swamp Dwarf Crayfish	Malacostraca	N	E	Yes	County	Quad
Cambarus sciotensis	Teays River Crayfish	Malacostraca	N	S	Yes	County	Quad
Cambarus sphenoides	Triangleclaw Crayfish	Malacostraca	N	N		County	Quad
Cambarus hatfieldi	Tug Valley Crayfish	Malacostraca	N	N	Yes	County	Quad
Cambarus graysoni	Twospot Crayfish	Malacostraca	N	N	Yes	County	Quad
Cambarus dubius	Upland Burrowing Crayfish	Malacostraca	N	N	Yes	County	Quad
Cambarus deweesae	Valley Flame Crayfish	Malacostraca	N	S	Yes	County	Quad
Procambarus viaeviridis	Vernal Crayfish	Malacostraca	N	T	Yes	County	Quad
Faxonius tricuspis	Western Highland Crayfish	Malacostraca	N	N	Yes	County	Quad
Procambarus acutus	White River Crawfish	Malacostraca	N	N		County	Quad