crab.

within 25 miles

Feb 6, 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 & WeatherBiologymonitoringmigrationnew hampshirewater monitoringmusselsandsurveyecologyhorseshoe crabcoastalgeologyoysterphenologicalbeachphenologydunewaterspawningeelstewardshipamerican eelbeachescrabcoastrestorationdunesnew england

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 crabsurveytrainingbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsoilwetlandssaltwaterregenerationgroundwatershorelinecordgrassglobal warmingcoastal educationsalt tolerant plantssouth carolinaprime hook national wildlife refugecoastal ecologystumpphragmitesnew yorkclimate changethe george washington universitytree deathsaltwater marshesgedan labswampmarsh migrationriverbankmarineghost forestrising seasecologyfloodcoastaltidal inundationdisturbancegeographyestuarydelaware baygeorgiaeastern shorewildfiressalt water intrusionsaltstorymapsalt tolerantsea level risespartina patensseawatermarylandland conversiontree stumpdelawaredroughtnew jerseycoastal marine ecologyfloridasapdelmarva peninsulableached treesvirginiaeast coastsawgrassdead treesforestmid atlanticmarshsomerset countysalineblackwater national refugestormgeologymullica river estuarydying treeschanging shorelinehurricanevirginia coast reservekilling treesblack needle rushkeryn gedansaltwater marshblue crablow elevationtributariesghosts of the coastwoodmaritime forestchesapeake baypinesurvey123north carolinatidefloodingsalt stressdying forestchanging landscapecattus islandsalt watersweet gumcedar

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 & WeatherEducationrocky shoresteachersin oceansmarineintertidal monitoringinvertebratesrockytidepoolsandy beachsandysand craboceanalgaerocky intertidalintertidalstudentssand crabs

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 & EnvironmentBiologyEducationintertidaloceanseaweedmarinecitizen sciencenew zealandcrab.rocky shorechitonlimpetquadrat

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 horseshoe crab marine biologymarine biology marinemarinewildlife monitoringfield work wildlife 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 & EnvironmentAnimalsbeach walkoutdoorwashingtonmonitoringappleappoceanandroidinvasive speciesnaturalistpicturescavenger huntmarinemycoastbeachcrabdungenessshoreline

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 & EnvironmentBiologyAnimalshorseshoe crabappnew yorkcrab.iphonemonitormonitoringcitizen-based monitoring

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