Species of Greatest Conservation Need By Taxon

Marine Invertebrate

Scientific Name Common Name RSGCN Concern Level
Spongilla spp. Freshwater Sponge sp.
Palaemonetes spp. Grass Shrimp sp.
Carcinus maenas Green Crab
Strongylocentrotus droebachiensis Green Sea Urchin
Sclerodactyla briareus Hairy Sea Cucumber
Rithropanopeus harrisii Harris Mud Crab
Cancer borealis Jonah Crab
Ovalipes ocellatus Lady Crab
Terebratulina septentrionalis Lamp Shell
Loligo pealeii Long Finned Squid
Libinia dubia Longnose Spide Crab
Squilla empusa Mantis Shrimp
Xanthidae spp. Mud Crab sp.
Uca pugnax Mud Fiddler Crab
Macrobdella sestertia New England Medicinal Leech
Gorgonocephalus arcticus Northern Basket Starfish
Pandalus borealis Northern Shrimp
Macrobrachium ohione Ohio River Shrimp
Cucumaria frondosa Orange-footed Sea Cucumber
Spiochaetopterus costarum oculatus Parchment Tube Worm
Chaetopterus variopedatus Parchment Worm
Heteromeyenia longistylus Pennsylvania Sponge
Lebbeus polaris Polar Lebbeid Shrimp
Sesarma reticulatum Purple Marsh Crab
Solaster endeca Purple Sunstar
Marphysa belli Red Gilled Worm
Uca minax Red-jointed Fiddler Crab
Cancer irroratus Rock Crab
Thyonidium drummondii Sea Cucumber
Ophioderma brevispinum Short-spined Brittle Star
Spongilla aspinosa Smooth Branched Sponge
Libinia emarginata Spider Crab
Lebbeus groenlandicus Spiny Lebbeid Shrimp
Asteriid spp. Starfish sp.
Diopatra cuprea Tube Worm
Stephanasterias albula White Sea Star
Hippolyte spp. Zostera Shrimp sp.