crab.

within 25 miles

Jan 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 & WeatherBiologybeachphenologymusseldunemonitoringecologynew hampshiredunessandcoastalgeologysurveystewardshipoysterbeachesnew englandcrabrestorationamerican eelhorseshoe crabmigrationspawningwaterphenologicalcoastwater monitoringeel

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 & EnvironmentBiologyAnimalstraininghorseshoe crabfloridasurveybeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt tolerant plantsblackwater national refugecedarriverbankeastern shorethe george washington universitydying treescattus islanddroughtspartina patenssomerset countysalttidal inundationseawaterregenerationsaltwater marshessaltwatersalt water intrusionswampbleached treesmullica river estuarykilling treessaltwater marshstumpmarinesweet gumcordgrasstributarieskeryn gedandead treeslow elevationwoodwetlandsecologymarsh migrationestuaryeast coastgeologywildfireschanging shorelinenorth carolinadelawareland conversionsoiltiderising seassawgrassblue crabclimate changeprime hook national wildlife refugenew jerseyblack needle rushsalt waterdelaware baysea level risetree deathgeorgiasapstormchesapeake bayfloodshorelinepinefloodinghurricanenew yorkvirginiasurvey123phragmitesfloridadying forestmarshcoastal marine ecologysalt stresssalineghost forestchanging landscapestorymapgedan labmaritime forestgroundwatermid atlanticdelmarva peninsulasalt tolerantmarylanddisturbancecoastal educationsouth carolinatree stumpcoastalcoastal ecologyghosts of the coastvirginia coast reserveglobal warmingforestgeography

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 beachsandysand crabsin oceanssand crabmarinerocky shoresstudentsalgaerockytidepoolrocky intertidaloceanintertidalinvertebratesintertidal monitoringteachers

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 & EnvironmentBiologyEducationintertidalnew zealandrocky shoreseaweedoceanmarinecrab.citizen sciencequadratlimpetchiton

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 Sciencehorseshoe crabwildlife monitoringmarine marinemarine biology horseshoe crabfield work wildlife monitoring 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 & EnvironmentAnimalsinvasive speciesbeachshorelinescavenger huntwashingtonmarinemycoastbeach walkmonitoringpictureoutdoorcrabappdungenessoceanandroidapplenaturalist

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 & EnvironmentBiologyAnimalsnew yorkcitizen-based monitoringhorseshoe crabcrab.monitormonitoringiphoneapp

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