crab.

within 25 miles

Jul 30, 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 & WeatherBiologymigrationwater monitoringcoastalgeologynew englandamerican eelcoastmusselspawningcrabrestorationphenologydunesphenologicalbeachsandbeachesoysterwatersurveystewardshipmonitoringduneeelhorseshoe crabecologynew hampshire

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 crabtrainingbeachfloridasurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentshorelinesawgrasstidal inundationdelaware baysaltwater marsheastern shorechesapeake bayriverbankcoastal marine ecologyland conversionsaltwatervirginia coast reservewetlandsstorymapglobal warmingcoastal educationdying forestcordgrassbleached treesgroundwaterphragmitessaltwater marshesdelmarva peninsulacattus islandlow elevationcoastalgeologysalt tolerantsurvey123the george washington universityprime hook national wildlife refugedroughtmid atlanticsea level riserising seasmarshblack needle rushgeographycoastal ecologypineecologywoodvirginiaforestsweet gumclimate changesalt watertidemullica river estuarytributarieswildfiresdying treesnorth carolinasouth carolinasalt stresssalineblackwater national refugemarsh migrationspartina patensfloridasalt tolerant plantsfloodstormdead treesswampkilling treesmarinesomerset countyblue crabstumpsoilsapghost forestmaritime forestnew yorkfloodinghurricanetree stumpdisturbancetree deathmarylandestuaryeast coastkeryn gedannew jerseychanging shorelinesaltgedan labregenerationseawatergeorgiachanging landscapeghosts of the coastdelawaresalt water intrusioncedar

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach walk

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 & WeatherEducationinvertebratesintertidal monitoringsand crabsrockyalgaestudentsin oceansintertidaltidepoolrocky shoresteachersoceanrocky intertidalsand crabmarinesandy beachsandy

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 & EnvironmentBiologyEducationintertidalseaweedquadratlimpetmarinecrab.citizen sciencerocky shorenew zealandoceanchiton

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 Sciencemarinewildlife monitoringhorseshoe crab wildlife monitoring marine horseshoe crabfield workmarine biology marine biology

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 & EnvironmentAnimalsbeachandroiddungenessmycoastmarineappleoceanappcrabnaturalistmonitoringinvasive speciesbeach walkscavenger huntwashingtonpictureoutdoorshoreline

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 & EnvironmentBiologyAnimalshorseshoe crabmonitoriphonecitizen-based monitoringmonitoringcrab.new yorkapp

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