crab

within 25 miles

Jan 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 & WeatherBiologydunesmigrationphenologywater monitoringcoastalsandnew hampshiregeologyeelamerican eelcrabspawningstewardshipmonitoringbeacheswatermusseloysterdunenew englandrestorationbeachsurveycoastphenologicalecologyhorseshoe crab

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 & EnvironmentBiologyAnimalsbeachsurveytrainingfloridahorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentblackwater national refugecoastalsweet gumstormstumppinebleached treesdying forestgedan labwetlandstidal inundationecologycoastal marine ecologywildfiresdelmarva peninsulaland conversionchanging shorelinecoastal ecologykeryn gedancattus islandestuaryfloodingdelawaretidemarsh migrationsoilsawgrassswampsaltwaterblack needle rushmullica river estuaryeast coastnew yorkshorelinesalttributariessea level risespartina patenshurricanesouth carolinamarylandmarinekilling treesphragmitessalineforestchesapeake baysalt waterlow elevationgroundwatersalt stressgeologyriverbanksapmarshfloridatree stumpghosts of the coastgeographyseawatertree deathprime hook national wildlife refugesalt water intrusioncoastal educationvirginia coast reservemid atlanticsalt tolerantrising seasglobal warmingdead treessaltwater marshvirginiaregenerationsurvey123delaware baydisturbancedying treessomerset countysaltwater marshesnorth carolinacedarsalt tolerant plantsnew jerseychanging landscapeghost foresteastern shorestorymapthe george washington universityfloodblue crabdroughtclimate changemaritime forestwoodcordgrassgeorgia

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 & 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 beachrocky intertidaloceantidepoolinvertebratesstudentsin oceansintertidalrockymarinerocky shoresalgaesand crabsandyteacherssand crabsintertidal monitoring

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 & EnvironmentBiologyEducationcitizen scienceoceannew zealandchitonseaweedcrab.rocky shorelimpetmarinequadratintertidal

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 Sciencemarine biology marine biology horseshoe crabmarine wildlife monitoringfield workwildlife monitoring marinehorseshoe 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 & EnvironmentAnimalsmycoastapppictureoutdoordungenessbeach walkmonitoringoceanscavenger huntwashingtonnaturalistandroidinvasive speciescrabbeachmarineappleshoreline

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 & EnvironmentBiologyAnimalsapphorseshoe crabnew yorkcrab.iphonemonitormonitoringcitizen-based monitoring

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