crab.

within 25 miles

Aug 14, 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 & WeatherBiologyphenologyhorseshoe craboysterdunedunesphenologicalcrabstewardshipnew englandeelbeachesmonitoringnew hampshiresurveyrestorationmigrationwater monitoringsandamerican eelcoastalbeachgeologycoastmusselspawningecologywater

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 & EnvironmentBiologyAnimalsbeachhorseshoe crabsurveytrainingflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentvirginiablack needle rushkeryn gedannew yorkbleached treescoastal educationrising seasclimate changegeologysalt tolerantsalt watersalt stresspinephragmitesecologydead treesforesttidal inundationblackwater national refugemarshdying forestwetlandschanging landscapesaltgeorgiablue crabthe george washington universityshorelinevirginia coast reserveghosts of the coastsoilmarsh migrationdelaware bayprime hook national wildlife refugesaltwater marshessawgrasssouth carolinasaltwaterchesapeake bayestuarymarylandstorymapeastern shorefloodcoastalsalinegroundwatercordgrasssomerset countyhurricanesalt tolerant plantsdroughtregenerationglobal warmingtree deathghost forestdying treessurvey123sea level risefloridacoastal ecologynorth carolinamaritime forestwoodtidestormlow elevationseawatersweet gumsaltwater marshfloodingspartina patensstumpsapmarinewildfiresgedan labkilling treescattus islandmid atlanticland conversiontree stumpsalt water intrusioncoastal marine ecologygeographytributarieseast coastcedarnew jerseydisturbancemullica river estuaryswampdelawarechanging shorelineriverbankdelmarva peninsula

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe 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 & WeatherEducationstudentsrocky shorestidepoolsand crabintertidalteachersintertidal monitoringsandy beachoceanalgaerocky intertidalrockyin oceanssandysand crabsinvertebratesmarine

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 & EnvironmentBiologyEducationcrab.oceanrocky shorechitoncitizen scienceseaweedlimpetquadratnew zealandmarineintertidal

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 Sciencehorseshoe crabmarinefield workwildlife monitoringmarine 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 & EnvironmentAnimalsmonitoringbeachnaturalistwashingtonoutdoorinvasive speciesappleshorelinemycoastbeach walkappcrabdungenessmarinepictureoceanandroidscavenger 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 & EnvironmentBiologyAnimalshorseshoe crabmonitorappcrab.monitoringcitizen-based monitoringnew yorkiphone

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