crab.

within 25 miles

Mar 7, 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 & WeatherBiologydunesnew englandamerican eelphenologybeacheswater monitoringhorseshoe crabduneecologyeelcoastalgeologycoastoysterwaterbeachspawningstewardshipsandmusselrestorationmonitoringcrabnew hampshiremigrationphenologicalsurvey

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 crabfloridabeachsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt water intrusiontree deathblackwater national refugekeryn gedandisturbancesalt stressmarylanddelawareeast coastwetlandsvirginia coast reservetidal inundationdroughtmullica river estuaryhurricanesapgeologyclimate changesaltwater marshdying treesfloridasaltgedan labsalt tolerant plantsghost foresttree stumpdelmarva peninsulakilling treeswildfiresvirginiacoastal marine ecologystumpsalt tolerantblack needle rushsalt watershorelinepinesweet gumriverbankeastern shorelow elevationgeorgiasouth carolinadying forestfloodmaritime forestblue crabbleached treesecologyforestsaltwater marshesswampgeographytideland conversioncoastal ecologyspartina patensstorymapnorth carolinawoodcoastal educationglobal warmingghosts of the coastphragmitessurvey123delaware baythe george washington universityrising seascattus islandnew yorkchesapeake bayestuarysawgrasssoilcoastaldead treessea level risemarsh migrationsaltwaterregenerationprime hook national wildlife refugefloodingsomerset countymid atlanticseawatertributariescordgrasschanging shorelinemarinesalinegroundwaterstormnew jerseychanging landscapemarshcedar

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 & 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 shoresrocky intertidalalgaesandyintertidal monitoringstudentsin oceansmarinetidepoolrockyteachersintertidalsandy beachsand crabsoceansand crabinvertebrates

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 & EnvironmentBiologyEducationlimpetcitizen sciencerocky shorechitonmarinenew zealandquadratseaweedintertidaloceancrab.

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 marinewildlife monitoring horseshoe crab wildlife monitoring marine biologyhorseshoe crabmarine biologymarinefield 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 & EnvironmentAnimalsappmonitoringbeachwashingtondungenessandroidoutdoorshorelinecrabbeach walkscavenger huntpictureoceaninvasive speciesmarinenaturalistapplemycoast

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 & EnvironmentBiologyAnimalsmonitorhorseshoe crabnew yorkcrab.monitoringappcitizen-based monitoringiphone

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