crab.

within 25 miles

Feb 15, 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 & WeatherBiologybeachescrabmonitoringoysterphenologicalhorseshoe crabnew hampshirebeachmigrationwater monitoringcoastdunescoastalgeologydunephenologysurveyamerican eelrestorationecologymusseleelwaterspawningstewardshipsandnew england

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 & EnvironmentBiologyAnimalstrainingfloridahorseshoe crabbeachsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentrising seasmarsh migrationsawgrassclimate changewildfirescedarghosts of the coastlow elevationsurvey123marshfloridagedan labcoastal educationsweet gumregenerationdying treessapsalt stresssalinecoastalgeographydelawareeastern shoreecologykilling treesdisturbancetidechanging shorelinechanging landscapeglobal warmingbleached treestree stumpriverbankdying forestmaritime forestpinetidal inundationghost forestcoastal ecologygroundwatergeologyspartina patensforestchesapeake baynew jerseynew yorkvirginia coast reservesomerset countyshorelinesaltwatersalt tolerantsea level risedelaware baysouth carolinawetlandsmullica river estuarymarylandnorth carolinafloodland conversioneast coastblue crabtributariessaltwater marshstumpstormsalt waterfloodingsaltwater marshesphragmitesblack needle rushstorymapvirginiasalt water intrusiondelmarva peninsulawoodcoastal marine ecologyseawaterestuarykeryn gedansoilsaltgeorgiathe george washington universityprime hook national wildlife refugehurricanemarinesalt tolerant plantsswampdead treestree deathcattus islanddroughtblackwater national refugecordgrassmid atlantic

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 & Environmentdelaware bayhorseshoe crabs

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 & WeatherEducationsand crabsinvertebratesalgaerocky intertidalmarinestudentsoceanin oceansteachersintertidal monitoringsandy beachtidepoolrocky shoressandysand crabrockyintertidal

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 & EnvironmentBiologyEducationintertidalmarineseaweedlimpetoceancrab.rocky shorenew zealandquadratchitoncitizen 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 Sciencewildlife monitoringmarine biology wildlife monitoringfield workmarine marine biology marine horseshoe crabhorseshoe crab

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 & EnvironmentAnimalsshorelinepicturebeachmonitoringoutdoorinvasive speciesandroidcrabdungenesswashingtonoceanappnaturalistbeach walkapplemarinescavenger huntmycoast

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 & EnvironmentBiologyAnimalsmonitoringiphonecitizen-based monitoringnew yorkcrab.horseshoe crabappmonitor

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