crab.

within 25 miles

Nov 28, 2025

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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 & WeatherBiologyecologygeologywateramerican eelcoastalphenologicaldunescrabmusselrestorationcoasthorseshoe crabbeachsandnew englandbeachessurveymonitoringeelnew hampshiredunespawningmigrationoysterphenologystewardshipwater 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 & EnvironmentBiologyAnimalstrainingbeachhorseshoe crabfloridasurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentgedan labthe george washington universitybleached treesglobal warmingblue crabchanging shorelinetidal inundationvirginiafloodmid atlanticsomerset countysapfloridawildfirestributariescoastal educationforestblackwater national refugeghost forestgeologyrising seassaltwatercattus islandgeorgiamarshhurricanedroughteastern shoreshorelinedelawarepinegeographydisturbancesalt water intrusioneast coastcordgrasssurvey123black needle rushdelmarva peninsulasawgrasswetlandsdying treessalt waterspartina patenschanging landscapemarsh migrationseawaternew jerseylow elevationstormnew yorkcoastal marine ecologytree deathtidekeryn gedanprime hook national wildlife refugesalinetree stumpsoilstorymapfloodingnorth carolinasouth carolinasaltchesapeake baymullica river estuarymarylandsalt tolerantmarinedelaware baysea level risesalt tolerant plantscoastalkilling treesestuaryvirginia coast reserveswampriverbankdead treesclimate changephragmitessweet gumcoastal ecologysaltwater marshescedargroundwatersaltwater marshecologydying forestland conversionregenerationghosts of the coastmaritime foreststumpsalt stresswood

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 & Environmenthorseshoe crabsdelaware bay

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 & WeatherEducationin oceansrocky intertidalmarineintertidalsand crabrocky shoressand crabsalgaeinvertebratesintertidal monitoringteachersoceantidepoolrockysandy beachsandystudents

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 & EnvironmentBiologyEducationcitizen scienceintertidallimpetmarineoceancrab.rocky shorenew zealandchitonseaweedquadrat

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 biology wildlife monitoringmarinemarine biology marinehorseshoe crabfield workwildlife 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorswashingtonappbeachandroidmycoastdungenessnaturalistmonitoringoceanpictureinvasive speciesmarineshorelinebeach walkcrabappleoutdoorscavenger hunt

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 & EnvironmentBiologyAnimalsmonitornew yorkiphonecrab.citizen-based monitoringappmonitoringhorseshoe crab

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