crab.

within 25 miles

Apr 28, 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 & WeatherBiologynew hampshiregeologystewardshiprestorationwaterspawningcoastalsurveyphenologybeacheswater monitoringmusselcoastoystercrabmonitoringdunesecologymigrationeeldunephenologicalsandnew englandamerican eelbeachhorseshoe crab

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 & EnvironmentBiologyAnimalstrainingfloridasurveybeachhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentspartina patenstributariesnew jerseyhurricanesalt tolerant plantsclimate changesurvey123droughtswampeastern shoreghost forestvirginiadisturbancegroundwaterrising seassalinetidal inundationstorymapnorth carolinafloridacoastaldelmarva peninsulagedan lablow elevationglobal warmingsoilchanging shorelineprime hook national wildlife refugetree stumpwetlandssaltwater marshesseawaterdying forestland conversionsappinemarinesaltwatershorelinesaltsomerset countysalt water intrusionsaltwater marshbleached treesecologysea level riseestuaryeast coastcoastal ecologykeryn gedanwooddelawareriverbankmarshcoastal educationstumpgeographydying treeschanging landscapenew yorkmullica river estuarytidesouth carolinaphragmitestree deathsalt waterfloodingforestcattus islandmarylandsweet gumcordgrassfloodwildfiresregenerationkilling treesthe george washington universitymaritime forestcedarghosts of the coastchesapeake bayvirginia coast reservedead treessalt tolerantblackwater national refugegeologymid atlanticdelaware baygeorgiasalt stressmarsh migrationblue crabsawgrasscoastal marine ecologyblack needle rushstorm

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 & WeatherEducationsandy beachsandymarinerocky shoresalgaerockyrocky intertidaltidepoolstudentsin oceansinvertebratessand crabsintertidal monitoringsand crabintertidalteachersocean

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 & EnvironmentBiologyEducationnew zealandchitonintertidalmarinerocky shoreoceanseaweedcrab.limpetquadratcitizen science

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 marine biology wildlife monitoringfield work horseshoe crabmarine biologyhorseshoe crabmarine 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 & EnvironmentAnimalsmycoastcrabandroidmarinedungenesspicturewashingtonscavenger huntbeachinvasive speciesbeach walkoceanoutdoorappshorelineapplenaturalistmonitoring

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 & EnvironmentBiologyAnimalscrab.horseshoe crabmonitoringcitizen-based monitoringappmonitornew yorkiphone

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