crab.

within 25 miles

Nov 23, 2025

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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 & WeatherBiologymonitoringnew hampshiredunesmusselphenologysurveyphenologicalsandnew englandamerican eelwaterrestorationhorseshoe crabdunestewardshipcoastecologymigrationgeologyoysterbeacheswater monitoringspawningcrabeelcoastalbeach

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 & EnvironmentBiologyAnimalsbeachfloridahorseshoe crabtrainingsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentgeologysea level risesalt water intrusionstormsalt stressgedan labstumpdelawarecoastal marine ecologysaltwater marshmarsh migrationdelaware baymarineswampsaptidal inundationsurvey123tributariescoastal ecologywoodwildfiresmarylandlow elevationcattus islanddying forestriverbankvirginia coast reservewetlandsmullica river estuarysaltcordgrasstree deathphragmitestidesaltwaterestuarycoastal educationsalt watertree stumpchanging landscapeecologydroughtfloodforestdelmarva peninsulavirginiastorymapsalt tolerantblackwater national refugedying treesmarshhurricaneblue crabpinegroundwaterthe george washington universityblack needle rushsomerset countysalt tolerant plantsghost forestkilling treescedargeographysalinesawgrassclimate changeghosts of the coastnew jerseychanging shorelinedead treeschesapeake baynorth carolinafloridaseawatermid atlanticshorelineglobal warmingsweet gummaritime forestprime hook national wildlife refugeeast coastsoilbleached treesfloodinggeorgiaregenerationcoastalsaltwater marshesnew yorksouth carolinarising seaskeryn gedandisturbanceeastern shoreland conversionspartina patens

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe crab

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 & Environmenthorseshoe crabsdelaware bay

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 & WeatherEducationoceaninvertebratessandy beachalgaemarineintertidalteacherssand crabstudentstidepoolin oceansrocky shoressand crabsrocky intertidalrockyintertidal monitoringsandy

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 & EnvironmentBiologyEducationlimpetoceanquadratcrab.seaweedintertidalcitizen sciencenew zealandrocky shorechitonmarine

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 Sciencefield workmarinewildlife monitoring horseshoe crabmarine biology marine biology marine wildlife monitoringhorseshoe 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorswashingtonscavenger huntapplemarinenaturalistoutdoorappshorelinedungenessoceaninvasive speciespictureandroidbeachbeach walkcrabmonitoringmycoast

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 yorkcrab.apphorseshoe crabiphonecitizen-based monitoringmonitoringmonitor

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