crab.

within 25 miles

Jul 8, 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 & WeatherBiologymusselbeachwatereelphenologicaldunesurveysandspawningdunesnew englandbeachesrestorationmonitoringoystercoastnew hampshirecrabphenologyamerican eelecologyhorseshoe crabstewardshipmigrationcoastalgeologywater 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 & EnvironmentBiologyAnimalshorseshoe crabtrainingfloridasurveybeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentnorth carolinavirginiasaltwater marshessoilsaltwaterdisturbancechanging landscaperiverbankdead treessouth carolinatree deathsurvey123floridadelmarva peninsulachesapeake baydelawarebleached treessomerset countysalt water intrusioncordgrasseast coastkeryn gedanseawaterdying forestmarinewildfiressawgrasswetlandsphragmitessalt waterkilling treesblack needle rushtree stumptidal inundationnew jerseygeorgiaswampgeologyfloodingstormstorymapsea level riseghosts of the coastblackwater national refugeprime hook national wildlife refugenew yorkdelaware bayglobal warmingeastern shorelow elevationcedarsaltwater marshgeographydroughtrising seasghost forestmarylandmid atlanticsaltmullica river estuarymarshsalt tolerantsalt stressmarsh migrationsalinecoastal ecologypinewoodthe george washington universitygedan labecologycoastal marine ecologycoastal educationfloodestuarysaptidedying treesspartina patensregenerationcattus islandchanging shorelineshorelinetributariesforeststumpsalt tolerant plantsvirginia coast reservemaritime forestcoastalsweet gumblue crabgroundwaterland conversionclimate changehurricane

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture

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 & WeatherEducationinvertebratesin oceansteachersrockysand crabsrocky intertidalintertidal monitoringrocky shoresstudentsmarinealgaesandyoceansandy beachintertidalsand crabtidepool

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 & EnvironmentBiologyEducationrocky shorechitonnew zealandmarinelimpetquadratintertidalcrab.oceanseaweedcitizen science

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 crabhorseshoe crabmarinewildlife monitoringfield work wildlife monitoringmarine biology marine marine biology

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 & EnvironmentAnimalsinvasive speciesmycoastbeach walkcraboceanapplepicturebeachmonitoringandroidscavenger huntwashingtonmarinenaturalistappshorelinedungenessoutdoor

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 & EnvironmentBiologyAnimalsappcrab.monitornew yorkmonitoringiphonecitizen-based monitoringhorseshoe crab

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