crab.

within 25 miles

Feb 26, 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 & WeatherBiologymusseldunedunessurveyeelbeachesecologynew hampshiremigrationcoastalgeologybeachstewardshipoystermonitoringwater monitoringhorseshoe crabsandphenologicalrestorationcoastphenologyspawningwaternew englandamerican eelcrab

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 & EnvironmentBiologyAnimalstraininghorseshoe crabbeachfloridasurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsweet gumstumpmarylandkilling treesgroundwatershorelinelow elevationsalt tolerantspartina patenswoodcedarmarshsaltwater marshescoastal marine ecologynorth carolinavirginiafloodingpinesouth carolinatidesawgrasssoilriverbankmarsh migrationdelawarecattus islandbleached treeswetlandsgedan labchanging shorelinechesapeake baymarinekeryn gedaneast coastforestdying treescordgrasssalt stressdying forestgeographyland conversionseawaterglobal warmingsurvey123salt water intrusionmullica river estuarywildfireschanging landscapestorymapcoastal educationdelaware bayswampdelmarva peninsulaecologystormnew jerseythe george washington universitytree deathblackwater national refugeclimate changenew yorkhurricaneghosts of the coasttributariesestuarygeorgiamid atlanticfloodcoastalprime hook national wildlife refugedead treestidal inundationphragmitesregenerationblue crabgeologytree stumpdisturbancesomerset countydroughtrising seasghost forestsalt tolerant plantssaltsapblack needle rushsalinesalt watersea level risesaltwatersaltwater marshvirginia coast reservemaritime forestfloridaeastern shorecoastal ecology

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabpicturebeach walk

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 & WeatherEducationteachersoceansand crabalgaeintertidal monitoringsand crabsrocky intertidalsandy beachintertidalin oceansrockymarineinvertebratesstudentsrocky shorestidepoolsandy

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 & EnvironmentBiologyEducationquadratlimpetoceanintertidalcitizen sciencechitonrocky shorecrab.new zealandmarineseaweed

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 horseshoe crab marine biologywildlife monitoring wildlife monitoring marinemarine biologyhorseshoe crabfield workmarine

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 & EnvironmentAnimalsbeach walkoutdoorshorelinemonitoringandroidpicturenaturalistappappleoceanscavenger huntmarinecrabinvasive speciesbeachwashingtonmycoastdungeness

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 yorkcitizen-based monitoringiphonemonitoringapphorseshoe crabcrab.monitor

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