crab.

within 25 miles

Feb 15, 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 & WeatherBiologycoastalmusseleelamerican eelbeachescraboysterphenologicalrestorationcoasthorseshoe crabdunespawningstewardshipnew englandbeachsurveymonitoringnew hampshiremigrationgeologyecologywater monitoringphenologywaterdunessand

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 & EnvironmentBiologyAnimalsfloridabeachhorseshoe crabsurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentecologythe george washington universitydying treeskeryn gedanspartina patenscordgrassstormdelawaresurvey123sweet gumghosts of the coastswampdelmarva peninsulasaltwatertributariesdroughtmarylandpinebleached treesdisturbanceforestsalt water intrusionfloodingglobal warmingsalt stresssalt tolerant plantsvirginia coast reserveland conversionsaltsapmarinechanging landscapesawgrassriverbanksaltwater marshesblackwater national refugephragmitesprime hook national wildlife refugetree stumpseawaterhurricanegroundwatersaltwater marshsalt watersomerset countysouth carolinadead treescoastal ecologygeographymarsh migrationnew yorkgeologymid atlanticstumpshorelinetree deathwetlandsgedan labblue crabnew jerseyeastern shorecoastal marine ecologystorymapwildfirescoastalblack needle rushmullica river estuaryfloridaghost forestchanging shorelinemarshwoodtidelow elevationestuaryrising seascedarfloodcattus islanddelaware baygeorgianorth carolinaregenerationeast coastcoastal educationsea level risechesapeake baydying forestvirginiasalinesoilclimate changekilling treessalt tolerantmaritime foresttidal inundation

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 & 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 & WeatherEducationinvertebratesin oceansrocky shoresrocky intertidalsand crabrockyoceanintertidalsand crabssandytidepoolintertidal monitoringstudentsmarineteacherssandy beachalgae

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 & EnvironmentBiologyEducationquadratcitizen scienceoceanseaweednew zealandchitonintertidallimpetrocky shoremarinecrab.

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 Sciencemarinefield workmarine biology wildlife monitoring horseshoe crabhorseshoe crab marine biologywildlife monitoring marine

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 & EnvironmentAnimalsnaturalistdungenessscavenger huntinvasive speciespictureshorelinewashingtonapplemarinemycoastcrabappbeachbeach walkoceanoutdoormonitoringandroid

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 & EnvironmentBiologyAnimalsmonitoringmonitorcrab.iphoneappcitizen-based monitoringnew yorkhorseshoe crab

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