crab.

within 25 miles

Jan 26, 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 & WeatherBiologystewardshipamerican eeldunebeachesdunesecologynew hampshirespawningsurveysandoysterwaterphenologicalmigrationnew englandmusselcoastalgeologyrestorationcoastbeachcrabeelmonitoringphenologyhorseshoe crabwater monitoring

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 crabsurveybeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt waterforeststumpsouth carolinadroughtecologystormsurvey123virginia coast reserveswampeastern shorebleached treeschanging shorelinemarshghost forestcedargeologypinekeryn gedanphragmitesdelawaresalineblackwater national refugesea level risecattus islandestuarysalt water intrusiontidemullica river estuarysomerset countymarsh migrationtidal inundationdelmarva peninsulaprime hook national wildlife refugegeorgiafloodingregenerationrising seasvirginiaglobal warmingsaltwatersalt tolerant plantsland conversionspartina patenseast coastnew yorkdead treescordgrasswoodmarylandshorelinethe george washington universityghosts of the coastfloodchesapeake baydying treessalt stresstree deathchanging landscapemaritime forestgeographysaltwater marshcoastal marine ecologygedan labsapblack needle rushsaltdelaware baysweet gumnew jerseydisturbanceseawatersalt tolerantgroundwaterwetlandsfloridakilling treeslow elevationriverbanksawgrassnorth carolinacoastal ecologydying foreststorymapmarinemid atlantichurricanecoastal educationsaltwater marshesblue crabtree stumpsoilcoastaltributariesclimate changewildfires

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 & WeatherEducationoceanrocky intertidalalgaesand crabsmarinestudentstidepoolinvertebratesin oceansintertidal monitoringrockysandyteacherssandy beachsand crabrocky shoresintertidal

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 & EnvironmentBiologyEducationchitonoceanquadratrocky shorecrab.new zealandintertidalcitizen scienceseaweedmarinelimpet

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 marine marine biologymarine biologyhorseshoe crabfield workmarine horseshoe crab wildlife monitoring

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 & EnvironmentAnimalsbeachdungenessoutdoorwashingtonappleandroidpictureshorelinemycoastcrabmarinescavenger huntappinvasive speciesbeach walkmonitoringnaturalistocean

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 & EnvironmentBiologyAnimalsappiphonenew yorkmonitorcitizen-based monitoringcrab.horseshoe crabmonitoring

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