crab.

within 25 miles

Apr 9, 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 & WeatherBiologyduneseelcoastwatersurveycrabphenologicalwater monitoringnew hampshiremonitoringhorseshoe crabdunenew englandrestorationecologyphenologycoastalspawningmusselamerican eelbeachesmigrationbeachoystergeologystewardshipsand

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 & EnvironmentBiologyAnimalsbeachsurveyhorseshoe crabtrainingflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentfloodmullica river estuarycedarsalt tolerantghosts of the coastsouth carolinavirginiakeryn gedansalt stressthe george washington universitydelawareblue crabsurvey123eastern shoremid atlanticblack needle rushmaritime forestsaltwaterwildfiressaltwater marsheslow elevationcordgrasstidesoilgedan labblackwater national refugeclimate changesawgrassfloridadying forestglobal warmingspartina patenschanging landscapemarshstorymapchesapeake baysalt waternorth carolinamarinesalt water intrusiondroughtforestbleached treesregenerationdead treesdelaware baysomerset countygeographyswampghost forestwoodestuarychanging shorelinephragmitessalinecoastal educationsaltcoastal marine ecologygroundwatersea level risemarsh migrationcattus islandsaltwater marshpinekilling treesdelmarva peninsulasweet gumrising seashurricanefloodingshorelinecoastal ecologymarylandecologyprime hook national wildlife refugetree deathgeologyland conversionstormtree stumpriverbanktributariesgeorgiatidal inundationstumpsapvirginia coast reservewetlandsnew jerseydying treesnew yorkdisturbanceseawatercoastalsalt tolerant plantseast coast

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 & 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 intertidalteacherssand crabsin oceansmarineoceantidepoolintertidalsand crabinvertebratessandy beachrocky shoresalgaeintertidal monitoringrockystudentssandy

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 & EnvironmentBiologyEducationlimpetintertidalmarinechitonnew zealandrocky shoreseaweedcitizen scienceoceanquadratcrab.

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 marinefield work horseshoe crab wildlife monitoringmarinemarine biologyhorseshoe crab marine biologywildlife 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 walkscavenger huntwashingtonnaturalistmarineapplemycoastcrabandroidoceaninvasive speciesmonitoringdungenessshorelineapppictureoutdoorbeach

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 & EnvironmentBiologyAnimalscitizen-based monitoringmonitorcrab.iphonenew yorkapphorseshoe crabmonitoring

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