crab.

within 25 miles

Feb 14, 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 & WeatherBiologyspawningamerican eelcoastaloysterdunewaterecologycrabsurveycoastmigrationgeologyphenologicalbeachesmusselbeacheelstewardshiphorseshoe crabmonitoringrestorationwater monitoringphenologydunessandnew englandnew 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 & EnvironmentBiologyAnimalsbeachhorseshoe crabfloridasurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentphragmitescoastal ecologygroundwatercattus islandeast coastriverbankdying treesestuarydisturbancesea level risesapmarylandseawaterstormsouth carolinakeryn gedannew yorkdelawaremid atlanticclimate changesalt watermarinegedan labwooddroughttideglobal warmingsalinegeologycoastalghosts of the coastregenerationfloridadying forestforestgeographyswampchanging landscapemarsh migrationnorth carolinashorelinevirginiaecologybleached treessalt tolerant plantswildfirescedarland conversiondelmarva peninsulasaltprime hook national wildlife refugenew jerseytidal inundationtree stumpstorymapfloodstumpdead treeshurricanechanging shorelinecoastal educationvirginia coast reservetributariesspartina patenssawgrassblack needle rushsoilwetlandssurvey123blackwater national refugemullica river estuaryblue crabmaritime foresteastern shorecordgrasssalt tolerantsaltwater marshsaltwatermarshsomerset countykilling treesthe george washington universitylow elevationchesapeake baydelaware baysalt water intrusionfloodingrising seassalt stresssaltwater marshesghost forestgeorgiasweet gumpinetree deathcoastal marine ecology

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 & WeatherEducationintertidal monitoringsand crabstudentstidepoolalgaerocky intertidalmarinesand crabsinvertebratesin oceansintertidalsandyoceanteachersrockysandy beachrocky shores

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 & EnvironmentBiologyEducationintertidalrocky shorechitonnew zealandcitizen scienceseaweedcrab.oceanmarinequadratlimpet

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 Sciencemarinefield work horseshoe crabmarine biology marinewildlife monitoring wildlife monitoringhorseshoe crab 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 & EnvironmentAnimalsapplenaturalistdungenessinvasive speciesmycoastandroidscavenger huntshorelinebeach walkmarinewashingtoncrabmonitoringpicturebeachappoutdoorocean

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 crabmonitormonitoringiphonecrab.appcitizen-based monitoringnew york

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