crab.

within 25 miles

Feb 25, 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 & WeatherBiologymigrationrestorationdunesecologyoysterbeachescoastbeachmusselgeologysurveysandcrabmonitoringwater monitoringcoastalamerican eeldunestewardshiphorseshoe crabphenologyeelnew englandspawningphenologicalwaternew 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 crabbeachsurveytrainingflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentecologyshorelinetree stumpwildfiresglobal warmingchanging shorelinesweet gumgeorgiasomerset countyfloridadying forestsawgrasschanging landscapecoastalsalt tolerantswampsouth carolinanew yorkcoastal educationrising seasfloodsalt stresssoildead treespinespartina patenslow elevationstumpclimate changevirginia coast reservesalteastern shoreghost forestdelaware bayforestsurvey123tree deathstorymaphurricaneblue crabmaritime forestestuarysea level risefloodingsaltwater marshesmid atlanticgedan labkeryn gedansalt water intrusionseawatersalt tolerant plantscordgrasswoodkilling treesregenerationstormthe george washington universitymullica river estuarydelawarecattus islandgroundwaterdying treesdroughtland conversioncoastal marine ecologychesapeake bayghosts of the coastmarinetidal inundationbleached treestributariesmarylandnew jerseygeographydisturbanceblack needle rushprime hook national wildlife refugevirginiacedarwetlandsgeologysaltwater marshsalt watercoastal ecologysaltwaterblackwater national refugemarshphragmiteseast coasttidenorth carolinasapriverbanksalinedelmarva peninsulamarsh migration

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 & 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 & WeatherEducationmarinerocky intertidalintertidalin oceansoceansand crabtidepoolinvertebratesrocky shoresalgaerockysand crabsstudentssandyintertidal monitoringteacherssandy 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 & EnvironmentBiologyEducationchitonmarinelimpetseaweedintertidalcitizen sciencequadratoceancrab.new 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 horseshoe crab marine biologyhorseshoe crabwildlife monitoringmarine wildlife monitoringfield workmarine biology 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 & EnvironmentAnimalsbeach walkshorelineandroidoceannaturalistcrabbeachmonitoringpicturescavenger huntdungenessmycoastinvasive speciesmarineappleoutdoorwashingtonapp

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 & EnvironmentBiologyAnimalsiphoneappcitizen-based monitoringcrab.new yorkmonitormonitoringhorseshoe crab

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