crab.

within 25 miles

Dec 11, 2025

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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 & WeatherBiologyphenologicalecologyrestorationoysterduneeelwaterdunesnew englandbeachessurveyspawningstewardshiphorseshoe crabmusselbeachphenologyamerican eelmonitoringnew hampshirecoastmigrationwater monitoringcoastalcrabsandgeology

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 crabbeachsurveyfloridatraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmarshgedan labmarsh migrationtidal inundationspartina patensblackwater national refugesouth carolinachanging shorelinenew jerseygroundwaterglobal warmingtree deathdelmarva peninsulamaritime forestwoodkeryn gedandisturbancedroughtvirginia coast reservedying treesestuaryhurricanedying forestforestgeographytributariestidesaltwater marshessalt tolerant plantsswampbleached treessalt tolerantlow elevationnew yorkcedardelawarepinecoastal marine ecologysalinestumpeastern shoresaltwatermid atlanticeast coastchesapeake bayblue crabwetlandsfloridacordgrasstree stumpfloodmarylandcoastal ecologygeologyriverbankdead treesvirginiasoilsweet gumseawaterghosts of the coastthe george washington universitycoastal educationstormsapsalt stressmarinesomerset countyblack needle rushphragmitessawgrasssaltnorth carolinaprime hook national wildlife refugecattus islandsea level riseshorelinesurvey123coastalsalt watersaltwater marshkilling treeswildfiresclimate changeregenerationghost forestrising seassalt water intrusiondelaware bayecologychanging landscapestorymapland conversionmullica river estuaryfloodinggeorgia

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 & 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 & WeatherEducationrocky intertidalintertidalintertidal monitoringalgaerockyteacherssandysand crabstudentstidepoolin oceansmarinesandy beachinvertebratesoceanrocky shoressand crabs

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 & EnvironmentBiologyEducationchitonmarineseaweedquadratlimpetcrab.citizen sciencenew zealandrocky shoreoceanintertidal

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 Sciencemarinefield work wildlife monitoringmarine biology marine biology marine horseshoe crabwildlife monitoringhorseshoe 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsscavenger huntbeachdungenessinvasive speciespicturemycoastnaturalistmarinewashingtonandroidapplemonitoringoutdooroceanappshorelinebeach walkcrab

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 & EnvironmentBiologyAnimalsnew yorkhorseshoe crabiphoneappmonitoringcitizen-based monitoringcrab.monitor

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