crab.

within 25 miles

Jun 25, 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 & WeatherBiologyecologycraboysterphenologicalamerican eelmusselmonitoringnew englanddunewaterrestorationhorseshoe crabbeachessanddunessurveymigrationcoaststewardshipnew hampshirewater monitoringcoastalspawninggeologybeachphenologyeel

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 & EnvironmentBiologyAnimalssurveyfloridabeachtraininghorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenteast coastchanging shorelinewildfiresgeographysoilprime hook national wildlife refugetidal inundationdroughtghost forestcoastal marine ecologydying forestsaltstorymapchanging landscapeglobal warmingcoastal ecologyland conversiongroundwaterdelawareshorelinesawgrassgeorgiasalt stressseawaterrising seasblue crabhurricaneblackwater national refugedying treessomerset countytree deathnew jerseymarsh migrationsea level risefloodestuarydisturbanceeastern shorenew yorkclimate changelow elevationphragmitescattus islandsalt water intrusionbleached treessalinewetlandssalt tolerantpinesalt waternorth carolinablack needle rushsouth carolinagedan labmid atlanticmaritime forestdead treessweet gumstumpfloridacordgrassthe george washington universitymarinevirginiariverbankvirginia coast reservechesapeake baydelmarva peninsulaswampcoastalmarylandcoastal educationfloodingsurvey123woodghosts of the coastmarshtributariessapsaltwater marshessaltwater marshdelaware baysalt tolerant plantsspartina patenscedarregenerationmullica river estuarykilling treeskeryn gedanstormtidetree stumpforestecologysaltwatergeology

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

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 & WeatherEducationrocky intertidalsand crabrockyintertidal monitoringintertidaltidepoolinvertebratesstudentsin oceansmarinealgaeteacherssandyoceansandy beachsand crabsrocky 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 & EnvironmentBiologyEducationchitonintertidalrocky shoreoceanquadratmarinelimpetnew zealandcitizen scienceseaweedcrab.

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 Science marine biologymarine biology horseshoe crab marinefield workwildlife monitoring wildlife monitoringmarinehorseshoe crab

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 & EnvironmentAnimalsshorelinebeachandroidnaturalistoceanmarineappledungenessmycoastscavenger huntoutdoorinvasive speciesappbeach walkmonitoringpicturewashingtoncrab

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 & EnvironmentBiologyAnimalsnew yorkiphonecrab.monitorcitizen-based monitoringhorseshoe crabmonitoringapp

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