crab.

within 25 miles

Apr 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 & WeatherBiologywater monitoringgeologyphenologyduneoysterbeacheshorseshoe crabbeachmusselphenologicalstewardshipnew hampshireamerican eelmonitoringspawningnew englanddunessurveyrestorationmigrationeelcoastalsandwatercrabcoastecology

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 & EnvironmentBiologyAnimalsfloridabeachsurveyhorseshoe crabtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentkeryn gedanlow elevationblack needle rushsweet gummaritime forestregenerationdying forestseawaterland conversionclimate changenew jerseyhurricanedisturbancesapsalinephragmitessalt tolerantsouth carolinasalt stressgeologydelawareecologysawgrasstidesurvey123dying treeseast coasttree stumpchesapeake baymarsh migrationsalt waterwooddelmarva peninsulasaltwater marshesswampglobal warmingpinewetlandssaltwaterbleached treestidal inundationfloridasalt tolerant plantscoastal ecologycoastal marine ecologychanging shorelinespartina patensdelaware baysea level risetree deathmid atlanticsalt water intrusiondead treesmarinegedan labsoilforestsaltwater marshmarshnorth carolinaeastern shoreriverbankchanging landscapedroughtblackwater national refugecoastal educationmarylandstumpsomerset countymullica river estuarytributarieskilling treescordgrassvirginiacoastalprime hook national wildlife refugevirginia coast reservewildfiresrising seasstormcattus islandfloodingblue crabgroundwatershorelinestorymapthe george washington universityfloodsaltgeorgiageographycedarghost forestghosts of the coastnew yorkestuary

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturebeach walkhorseshoe crab

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 & WeatherEducationrocky intertidalrockysand crabsandy beachsandymarineintertidal monitoringalgaeoceanrocky shorestidepoolintertidalstudentssand crabsinvertebratesteachersin oceans

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 & EnvironmentBiologyEducationnew zealandmarineseaweedlimpetcrab.oceancitizen scienceintertidalquadratrocky 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 Sciencewildlife monitoringhorseshoe crab marine biologyfield work horseshoe crabmarinemarine biology wildlife monitoring marine

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 & EnvironmentAnimalsoutdoormarinecrabmonitoringnaturalistwashingtonscavenger huntappleshorelineinvasive speciesappmycoastpicturebeachbeach walkoceandungenessandroid

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 & EnvironmentBiologyAnimalscitizen-based monitoringcrab.monitorhorseshoe crabnew yorkiphoneappmonitoring

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