crab.

within 25 miles

Apr 8, 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 & WeatherBiologywatersandoysterphenologyphenologicalrestorationgeologymigrationmusseldunecoastmonitoringcrabecologynew hampshirecoastalbeachbeachesstewardshipsurveyspawningeelhorseshoe crabamerican eelwater monitoringdunesnew 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 & EnvironmentBiologyAnimalstraininghorseshoe crabbeachfloridasurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcedardying treesswampdisturbancewildfiresregenerationsapcoastal marine ecologywoodsurvey123ghosts of the coastsomerset countyland conversiontree stumpstumpghost forestchesapeake bayeast coastmarsh migrationwetlandsgedan labmarylandspartina patenschanging shorelinecoastal educationpineshorelinetributariesgeorgiasaltwaterfloridachanging landscapesalt stressgroundwaterfloodingmarinesea level riseriverbankcattus islandmid atlanticgeologyforestcoastal ecologymullica river estuarydelmarva peninsulageographyecologytree deathprime hook national wildlife refugecordgrasstidal inundationnew jerseykilling treesbleached treesglobal warmingsalt watermaritime forestsalt tolerant plantsdying forestdroughtvirginiasaltwater marshsalt water intrusionestuaryblackwater national refugetideeastern shorerising seascoastalblack needle rushsaltwater marshesblue crabphragmitesflooddead treessweet gumstorymapnew yorkvirginia coast reserveclimate changemarshthe george washington universitysalt tolerantnorth carolinaseawaterdelawarehurricanestormsaltkeryn gedansalinelow elevationsoilsawgrassdelaware baysouth carolina

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 & 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 & WeatherEducationsandyrocky intertidalin oceanstidepoolrockymarinesand crabsteachersoceanalgaerocky shoresinvertebratessand crabsandy beachintertidal monitoringintertidalstudents

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 & EnvironmentBiologyEducationoceanquadratchitonlimpetintertidalseaweedcrab.marinecitizen sciencenew zealandrocky 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 wildlife monitoring marinehorseshoe crabmarine biology horseshoe crab marine biologywildlife monitoringmarinefield 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 ScienceNature & OutdoorsEcology & EnvironmentAnimalsinvasive speciesshorelinemycoastpicturemarinemonitoringappleandroiddungenesswashingtonbeachappoutdooroceannaturalistscavenger huntbeach walkcrab

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 & EnvironmentBiologyAnimalsmonitoriphonecitizen-based monitoringmonitoringnew yorkapphorseshoe crabcrab.

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