crab.

within 25 miles

Dec 14, 2025

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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 & WeatherBiologyphenologymusseleeldunesandnew hampshirehorseshoe craboystercrabamerican eelbeachesduneswater monitoringphenologicalmigrationmonitoringgeologyrestorationcoastecologycoastalsurveywaterspawningstewardshipbeachnew 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 & EnvironmentBiologyAnimalssurveyfloridabeachhorseshoe crabtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentgedan labcordgrassclimate changesea level risestumpvirginiadelawaresweet gumblue crabgroundwaterdroughtcoastal educationcoastal marine ecologygeorgiatidal inundationfloridamullica river estuarysaltcattus islandtree deathgeographyghosts of the coastcedarthe george washington universityprime hook national wildlife refugechanging landscapekeryn gedanestuaryflooddead treessalineglobal warmingsaltwaterstormlow elevationsalt tolerant plantseastern shorerising seasspartina patenschesapeake baysurvey123dying forestdisturbanceswamphurricanemarsh migrationnew jerseyblack needle rushsouth carolinasalt stressbleached treestributarieswoodmarylandseawatertidetree stumpgeologyvirginia coast reservenew yorkwildfireschanging shorelinefloodingsomerset countyland conversiondying treeseast coastriverbankforestsawgrasswetlandscoastalcoastal ecologysalt watershorelinestorymapsaltwater marshsalt water intrusionmid atlanticpinedelaware baydelmarva peninsulamarshmaritime forestnorth carolinaphragmitessaltwater marshesmarineecologysalt tolerantghost forestkilling treesregenerationsoilsapblackwater national refuge

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturebeach walkhorseshoe 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 & WeatherEducationsand crabalgaesandyoceanteachersrocky intertidalinvertebratesin oceansrocky shoressand crabsmarinesandy beachstudentsintertidalintertidal monitoringtidepoolrocky

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 & EnvironmentBiologyEducationoceanseaweedquadratintertidalcitizen sciencelimpetcrab.new zealandmarinechitonrocky 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 Sciencehorseshoe crab horseshoe crabmarine wildlife monitoringwildlife monitoring marine biologymarine biology marinefield work

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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsshorelinewashingtonbeach walkoutdoorcrabappapplemycoastpicturebeachnaturalistmarineoceandungenessscavenger huntmonitoringinvasive speciesandroid

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 & EnvironmentBiologyAnimalsnew yorkiphoneapphorseshoe crabcitizen-based monitoringmonitoringmonitorcrab.

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