crab.

within 25 miles

Dec 2, 2025

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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 & WeatherBiologyoysterphenologyhorseshoe crabnew hampshirecrabspawningwater monitoringcoastaleelnew englandcoastgeologysandmigrationbeachesrestorationbeachstewardshipdunedunesamerican eelwatersurveymonitoringphenologicalmusselecology

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 crabsurveytrainingbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenteastern shoreforestsomerset countysouth carolinamarylandsea level risegeographyblack needle rushtree stumpsalt tolerantregenerationhurricanecoastal ecologyriverbankpinechesapeake bayfloridagedan labblue crabdisturbancemarshlow elevationcedarmullica river estuaryland conversiongeorgiadroughtcattus islandcoastal marine ecologysweet gumbleached treesclimate changemid atlantickeryn gedanstorymapspartina patensrising seasmaritime forestfloodingestuarysalt stresskilling treesghost forestgeologythe george washington universitysaltnew yorkdelmarva peninsulatidal inundationsaltwater marshcoastalnorth carolinaecologywildfirestidefloodglobal warmingswampshorelinetributariesdying treessoilcordgrasscoastal educationseawatersalt waterstumpsalt tolerant plantsdelaware baysalt water intrusionghosts of the coastwooddying forestblackwater national refugegroundwatersaltwaternew jerseysurvey123east coastmarinedelawarechanging landscapedead treessawgrasssapphragmitesvirginia coast reservechanging shorelinesalinemarsh migrationtree deathprime hook national wildlife refugevirginiastormwetlandssaltwater marshes

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 & 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 & WeatherEducationintertidalin oceansmarinerocky shorestidepoolrockysand crabalgaeinvertebratessandyrocky intertidalsand crabsteachersoceanintertidal monitoringsandy beachstudents

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 & EnvironmentBiologyEducationrocky shorechitonseaweedcrab.quadratlimpetoceanmarineintertidalnew zealandcitizen 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 horseshoe crabmarine wildlife monitoringfield work marine biologymarine biologyhorseshoe crab 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsandroidmonitoringappcrabmarinebeachoutdooroceandungenessappleshorelinemycoastnaturalistinvasive speciesbeach walkpicturewashingtonscavenger hunt

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 & EnvironmentBiologyAnimalsmonitornew yorkappmonitoringcrab.horseshoe crabcitizen-based monitoringiphone

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