crab.

within 25 miles

Jun 10, 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 & WeatherBiologyspawningsandwaterphenologicalbeachescrabrestorationmonitoringoysterdunesurveyecologyhorseshoe crabbeachphenologymigrationwater monitoringcoastalgeologyeelcoaststewardshipnew englandnew hampshireamerican eeldunesmussel

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 crabfloridatrainingsurveybeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsaltsalt water intrusiontree deathsaltwater marshespinetidal inundationphragmitesbleached treessomerset countykilling treesmaritime forestnew jerseygedan labcoastal marine ecologycoastaleast coastcoastal ecologysalinevirginia coast reservechanging shorelinenew yorktree stumpgroundwaterstormghosts of the coastsurvey123geographyfloodingdroughttributariesregenerationblackwater national refugeriverbankeastern shoreblue crabspartina patensshorelinemarylandmarsh migrationforestsalt waterdelmarva peninsulamarshsouth carolinamarineswampdead treesdying treesnorth carolinasoilmid atlanticstumpprime hook national wildlife refugeblack needle rushvirginiathe george washington universityrising seasgeorgiafloridafloodestuarychanging landscapeland conversionhurricanegeologydying forestlow elevationsalt tolerant plantsecologycedarcordgrassseawaterwoodsweet gumsaltwater marshdelaware baykeryn gedansapdelawareghost forestsalt tolerantsea level risewetlandscoastal educationstorymapglobal warmingsawgrasscattus islandclimate changesalt stresschesapeake baydisturbancesaltwatermullica river estuarytidewildfires

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 & WeatherEducationsandy beachintertidaloceanin oceansrockystudentsmarineinvertebratesrocky shoresintertidal monitoringsand crabstidepoolrocky intertidalsand crabteacherssandyalgae

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 & EnvironmentBiologyEducationintertidalnew zealandseaweedcrab.limpetrocky shorecitizen sciencechitonquadratoceanmarine

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 wildlife monitoring marine biology horseshoe crabmarine biologyhorseshoe crab marine

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 & EnvironmentAnimalsbeachmycoastbeach walkwashingtondungenesscrabpictureshorelinescavenger huntappmarineappleinvasive speciesnaturalistoutdoormonitoringoceanandroid

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 & EnvironmentBiologyAnimalsappmonitormonitoringiphonenew yorkcrab.citizen-based monitoringhorseshoe crab

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