crab.

within 25 miles

Mar 29, 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 & WeatherBiologycrabamerican eelsandnew englandsurveyeelrestorationecologymonitoringdunehorseshoe craboysterspawningnew hampshirebeacheswatermigrationbeachdunescoastmusselwater monitoringcoastalphenologystewardshipgeologyphenological

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 & EnvironmentBiologyAnimalssurveyfloridahorseshoe crabtrainingbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcoastal educationfloodchanging shorelinewetlandsghosts of the coastsomerset countyfloridawoodtree stumpglobal warmingmaritime forestland conversionnew jerseysaltwater marshesdead treeskilling treessaltwater marshghost forestchesapeake bayblack needle rushdroughtecologyrising seasthe george washington universitycoastalblackwater national refugehurricanemarinegedan labgeologyshorelinesaltwatersalt waterpinecedarnew yorklow elevationestuarygeorgiasalt tolerant plantsstorymapdelawaremarshtree deathsalinetidal inundationchanging landscapeeast coastfloodingdying foreststumpsalt stresscoastal ecologycoastal marine ecologysalt water intrusionmarsh migrationdisturbancedying treesswampphragmitesbleached treesregenerationsweet gumstormsouth carolinamid atlanticcattus islandspartina patenssawgrasssalt tolerantsaltforestprime hook national wildlife refugegroundwatermarylandvirginiacordgrassriverbankkeryn gedansurvey123geographywildfiresseawaterdelmarva peninsulaclimate changetideblue crabdelaware baytributariesmullica river estuarynorth carolinaeastern shoresapsea level risevirginia coast reservesoil

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabpicturebeach 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 & WeatherEducationintertidal monitoringtidepoolrocky intertidalin oceansoceanmarinesandyinvertebratessandy beachalgaestudentsteachersintertidalsand crabrocky shoresrockysand crabs

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 & EnvironmentBiologyEducationmarineoceanseaweedcitizen scienceintertidallimpetcrab.quadratnew zealandrocky shorechiton

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 wildlife monitoringmarine marine biology horseshoe crabwildlife monitoring marinehorseshoe crabmarine biologyfield work

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 & EnvironmentAnimalsnaturalistmycoastbeach walkoutdoorscavenger huntpicturemarinedungenesswashingtonapplebeachinvasive speciesshorelinemonitoringoceanandroidcrabapp

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 & EnvironmentBiologyAnimalsmonitoringiphonehorseshoe crabappnew yorkcitizen-based monitoringcrab.monitor

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