crab.

within 25 miles

Apr 4, 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 & WeatherBiologystewardshipbeachesmonitoringwaternew hampshirewater monitoringcoastalmusselcrabgeologyecologyamerican eelsurveyphenologyeelcoastdunessandbeachdunenew englandphenologicalrestorationhorseshoe crabmigrationspawningoyster

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 crabsurveytrainingfloridabeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt stressforestphragmitessalinesoilgeorgiasouth carolinagedan labchanging landscapenorth carolinawildfireschanging shorelineseawatertree deathclimate changecoastal ecologycedarcoastal marine ecologysaltwaterwetlandsnew yorkspartina patenstidetree stumpgroundwaterdead treesmarylanddelawarecattus islandtidal inundationmarshglobal warmingstumpthe george washington universitygeologysurvey123disturbancesaltwater marshesfloridavirginiamarsh migrationswampstormcoastal educationsaltwater marshlow elevationsea level risemaritime forestvirginia coast reservesalt waterdying forestprime hook national wildlife refugebleached treesghost forestdelaware baymullica river estuaryeast coastblack needle rushtributarieshurricanedying treesdroughtnew jerseymid atlanticstorymappineshorelinesaltland conversionsalt tolerant plantsblue crabdelmarva peninsulachesapeake bayestuarysawgrasssapsomerset countykeryn gedankilling treescordgrasscoastalsweet gumfloodingrising seasregenerationriverbankfloodmarineghosts of the coastblackwater national refugesalt water intrusionecologygeographywoodeastern shoresalt tolerant

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach 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 shoresrockyoceantidepoolsand crabsandyintertidalsandy beachstudentssand crabsin oceansteachersrocky intertidalinvertebratesmarinealgaeintertidal 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 & EnvironmentBiologyEducationlimpetcrab.new zealandcitizen scienceintertidalchitonmarineoceanseaweedquadratrocky 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 Science horseshoe crab marine biologymarinemarine biology wildlife monitoringhorseshoe crab marinefield workwildlife 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 & EnvironmentAnimalsappwashingtonbeachshorelineoutdoormonitoringandroidapplescavenger huntcrabinvasive speciesdungenesspicturemycoastmarinebeach walknaturalistocean

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 & EnvironmentBiologyAnimalsiphonecitizen-based monitoringappnew yorkcrab.horseshoe crabmonitoringmonitor

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