crab.

within 25 miles

Apr 22, 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 & WeatherBiologyrestorationsandbeachbeachessurveyspawningphenologicalcoastcraboysterwaterstewardshipmonitoringeeldunesnew englandecologymusselamerican eelnew hampshirephenologyhorseshoe crabmigrationwater monitoringcoastalgeologydune

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 & EnvironmentBiologyAnimalshorseshoe crabbeachsurveyfloridatraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentdelawarevirginia coast reservecoastal ecologycoastalmaritime forestglobal warmingfloodstormfloodingcedargroundwaterchanging shorelinesalt waterkilling treessalineland conversionlow elevationforestfloridatidal inundationmarylandsurvey123salt stressdelmarva peninsulaclimate changecordgrassdroughtestuaryswampdying treesriverbankmarshdying foresttidenew yorkmid atlanticblue crabbleached treestree stumpwoodsalt water intrusioneast coastdead treeswetlandssweet gumcoastal educationchesapeake baytributariesregenerationdelaware baydisturbancekeryn gedanmullica river estuarycoastal marine ecologyseawatersalt tolerantnew jerseygeorgiasoilhurricanesomerset countystumpsouth carolinamarsh migrationecologysawgrasstree deathgeologymarinegedan labchanging landscapesea level riserising seasgeographyvirginiastorymapghost forestnorth carolinashorelineeastern shorephragmitesblackwater national refugepineghosts of the coastsaltwater marshsaltthe george washington universitysaltwater marshessalt tolerant plantssapprime hook national wildlife refugesaltwatercattus islandwildfiresblack needle rushspartina patens

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 & WeatherEducationsand crabrocky shoresrockystudentssandyinvertebratesrocky intertidalintertidaloceanalgaeteachersin oceansintertidal monitoringmarinesand crabstidepoolsandy beach

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 & EnvironmentBiologyEducationoceanrocky shorequadratcitizen sciencelimpetmarinecrab.intertidalseaweednew zealandchiton

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 Sciencemarine wildlife monitoring marine marine biologyhorseshoe crabfield workmarine biology horseshoe crabwildlife monitoring

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 speciesappapplebeachmycoastwashingtonmarinemonitoringshorelineoceancraboutdoorbeach walkpicturenaturalistscavenger huntdungenessandroid

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 crabcitizen-based monitoringappiphonemonitoringmonitornew york

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