crab.

within 25 miles

Apr 18, 2026

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Coastal Research Volunteers

Contribute to coastal science, stewardship, and resilience

Multiple locations, including yours!

Ongoing

Citizen ScienceAnimalsOcean Water MarineNature & OutdoorsGeology & Earth ScienceEcology & EnvironmentClimate & WeatherBiologywaterstewardshipamerican eelcrabcoastbeachesmusselecologywater monitoringspawningeelmonitoringoysterhorseshoe crabdunesnew hampshirecoastalgeologybeachrestorationsurveymigrationsandnew englandphenologicalphenologydune

FWC:FWRI, UF/IFAS, UF Department of Biology, SeaGrant Florida

Florida Horseshoe Crab Watch

Monitor spawning horseshoe crab beaches

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsEcology & EnvironmentBiologyAnimalshorseshoe crabtrainingsurveyfloridabeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentregenerationgeorgiasoiltidewildfiresdelaware baythe george washington universityfloodmarshsurvey123tree deathsomerset countysaltecologysalinechanging landscapedroughtmid atlanticsweet gumnew yorkvirginiaghosts of the coastlow elevationdying treesmarinefloodingblack needle rushsea level risekilling treessaltwater marshpinecordgrassstorymapestuarysaltwater marshescattus islandcoastal marine ecologyswampeastern shoregedan labwoodriverbankmullica river estuarydead treesmarylandnew jerseysalt tolerantrising seasdelmarva peninsulasawgrasscoastaltributariesdying forestcoastal educationstormspartina patenstree stumpvirginia coast reservedisturbancedelawarehurricaneclimate changesaltwatersalt water intrusionbleached treessouth carolinamaritime forestblue crabgroundwatershorelineprime hook national wildlife refugeseawatersalt watercedareast coastphragmitesnorth carolinastumpsalt stressfloridageographysalt tolerant plantswetlandsghost forestglobal warmingcoastal ecologymarsh migrationtidal inundationchanging shorelineland conversionkeryn gedanchesapeake baysapforestblackwater national refugegeology

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture

Delaware National Estuarine Research Reserve

Horseshoe Crab Spawning Survey

Monitor horseshoe crab populations in the DE Bay

Dover, DE

Ongoing

Citizen ScienceAnimalsBiologyOcean Water MarineNature & OutdoorsEcology & Environmentdelaware bayhorseshoe crabs

Greater Farallones Association, Pacific Grove Museum of Natural History and the NOAA Office of National Marine Sanctuaries

Long-term Monitoring Program and Experiential Training for Students (LiMPETS)

Provide authentic, hands-on coastal monitoring experiences

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsBiologyGeology & Earth ScienceEcology & EnvironmentOcean Water MarineAnimalsClimate & WeatherEducationoceanintertidal monitoringsandy beachrockyalgaein oceanssand crabsandyteachersinvertebratesstudentsmarinetidepoolsand crabsintertidalrocky intertidalrocky shores

New Zealand Marine Studies Centre

Marine Metre Squared

Survey the intertidal community in New Zealand.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsEcology & EnvironmentBiologyEducationmarinecitizen sciencelimpetintertidalnew zealandoceanrocky shorechitonquadratseaweedcrab.

Anne Arundel County Recreation and Parks

Mayo Peninsula Parks Horseshoe Crab Counts

Count yearly population of spawning horseshoe crabs at Mayo Peninsula Parks, Anne Arundel County Maryland

Near your search location!

Ongoing

Citizen Sciencehorseshoe crab marine biologymarine biology wildlife monitoring marinefield work horseshoe crabmarinewildlife monitoring

Washington Sea Grant's Crab Team, WSU Extension, and a number of local partners

Molt Search

Monitor invasive European green crabs & native Dungeness crabs

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentAnimalsnaturalistbeachbeach walkdungenessmycoastoceanoutdoorinvasive speciesandroidappleshorelinecrabmarinemonitoringapppicturescavenger huntwashington

Cornell University Cooperative Extension of Suffolk County

New York Horseshoe Crab Monitoring Network

Promote conservation of horseshoe crabs in NY State.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsEcology & EnvironmentBiologyAnimalsmonitoriphoneappmonitoringcrab.citizen-based monitoringhorseshoe crabnew york

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