crab.

within 25 miles

May 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 & WeatherBiologymusselspawningsurveywaterphenologydunesamerican eelbeachescrabecologynew hampshirecoastmonitoringhorseshoe crabeelmigrationdunesandbeachwater monitoringgeologyoysterphenologicalstewardshiprestorationcoastalnew 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 & EnvironmentBiologyAnimalsfloridasurveybeachhorseshoe crabtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt tolerantvirginiasaltwaterfloridadying forestseawatertree stumpsapgeographylow elevationwetlandsstumpspartina patensfloodinggeorgiasalt tolerant plantschesapeake baycoastal ecologycattus islanddroughtblue crabgroundwaterkeryn gedansalinepineglobal warmingchanging shorelinetidal inundationstorymapcedarland conversiontidesoilsaltwater marshphragmitessweet gumdying treesregenerationshorelinenorth carolinasomerset countymid atlanticsaltwater marshesghost forestcordgrasstributariesswampeastern shoreblack needle rushthe george washington universityriverbankbleached treesfloodvirginia coast reservemarsh migrationcoastaltree deathsalt water intrusioneast coastdelawaredelaware baydead treesblackwater national refugeclimate changemarinegedan labprime hook national wildlife refugerising seasnew yorksurvey123delmarva peninsulaforestchanging landscapedisturbanceghosts of the coastsalt watersalt stresscoastal marine ecologykilling treeswoodsouth carolinawildfirescoastal educationmarshmullica river estuaryestuarysalthurricanemaritime forestgeologynew jerseymarylandsea level riseecologysawgrassstorm

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 & WeatherEducationinvertebratesrockyoceantidepoolrocky shoressand crabrocky intertidalteacherssandymarinesand crabsintertidalstudentsintertidal monitoringsandy beachalgaein oceans

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 & EnvironmentBiologyEducationmarineintertidalchitonseaweedcrab.limpetoceancitizen sciencenew zealandrocky shorequadrat

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 Sciencewildlife monitoring marinefield workmarine marine biology wildlife monitoring horseshoe crabmarine biologyhorseshoe crab

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 & EnvironmentAnimalsmonitoringmarinedungenessinvasive speciesandroidappnaturalistoutdoorapplewashingtonshorelinebeachbeach walkscavenger huntcrabpictureoceanmycoast

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 & EnvironmentBiologyAnimalsappcrab.monitoringnew yorkhorseshoe crabiphonemonitorcitizen-based monitoring

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