crab.

within 25 miles

Mar 22, 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 & WeatherBiologycoastalspawningmonitoringwateroystercrabmusselhorseshoe crabsurveywater monitoringamerican eelsandnew englandduneseelcoastecologynew hampshiremigrationdunephenologicalgeologybeachesphenologybeachstewardshiprestoration

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 crabtrainingbeachsurveyflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentshorelinesalt waterghosts of the coastriverbankmarineregenerationwildfiresfloodingsalt water intrusiongeologyvirginia coast reservephragmitestree deathtributariesclimate changemullica river estuarydroughtlow elevationcoastal educationsaltwater marshcordgrasswetlandssalinesoilglobal warmingtidedisturbancesouth carolinavirginiablack needle rushcoastal ecologycoastal marine ecologysurvey123floridaspartina patensdelmarva peninsulamarsh migrationchanging landscapecattus islandchanging shorelinerising seassawgrassdying treessea level risebleached treessalt tolerantsaltwater marshesdelawaregeographypineland conversionsaltwaterthe george washington universitydelaware bayseawaterghost forestgedan labnew yorknorth carolinasomerset countyblackwater national refugecedarprime hook national wildlife refugetidal inundationeast coastsaltestuaryfloodchesapeake baymarylandmid atlanticstormmarshsalt stresssapblue crabdead treesforestsweet gumdying foresteastern shorehurricanemaritime forestwoodkeryn gedanstorymapgeorgiagroundwaterstumpnew jerseyecologytree stumpsalt tolerant plantsswampkilling treescoastal

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

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 & WeatherEducationinvertebratesintertidal monitoringsandy beachstudentsteacherstidepooloceansand crabsandysand crabsmarinealgaerockyin oceansrocky intertidalrocky shoresintertidal

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 sciencequadratintertidalchitonoceanlimpetcrab.new zealandseaweedmarinerocky shore

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 wildlife monitoringwildlife monitoring marine biology horseshoe crab marinehorseshoe 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 & EnvironmentAnimalsbeachdungenessapplemarinecrabappwashingtonmonitoringandroidpictureoceanoutdoorinvasive speciesnaturalistscavenger huntmycoastbeach walkshoreline

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 crabnew yorkmonitoringmonitorappcitizen-based monitoringcrab.iphone

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