crab.

within 25 miles

Aug 11, 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 & WeatherBiologywater monitoringamerican eeleelbeachesmonitoringgeologynew hampshirespawningmigrationphenologicaldunessurveysandmusselrestorationcrabstewardshipcoastecologybeachdunewaternew englandphenologyhorseshoe craboystercoastal

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 & EnvironmentBiologyAnimalssurveyfloridatraininghorseshoe crabbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentshorelinecordgrassghost forestmullica river estuarythe george washington universitytree stumpwoodforestdying treeskeryn gedanfloodstorymapmarsheastern shorecoastal marine ecologysalt water intrusionwetlandssalt stresssalt tolerantstumpwildfirescedardroughtvirginiageologyblack needle rushmarylandphragmitessweet gumtributarieschesapeake bayhurricanesouth carolinadisturbancefloridariverbankcoastalsomerset countykilling treessaltwatergedan labdelawaresalinesaltgroundwatermid atlanticcoastal ecologyeast coastseawatersaltwater marshesgeographysawgrassfloodingswampcattus islandclimate changeestuarytideblackwater national refugetree deathmaritime forestecologyglobal warmingsalt watersoilcoastal educationpinenew yorkghosts of the coastregenerationnorth carolinadelmarva peninsulageorgiarising seaschanging landscapeblue crabvirginia coast reservespartina patensprime hook national wildlife refugetidal inundationbleached treesdelaware baydying forestsurvey123dead treesland conversionstormchanging shorelinesaltwater marshsea level risemarinelow elevationsalt tolerant plantsmarsh migrationnew jerseysap

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 & WeatherEducationin oceanssand crabmarineteacherssand crabsintertidal monitoringstudentsrocky shoresrockyrocky intertidalsandyinvertebratesalgaeoceanintertidaltidepoolsandy beach

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 & EnvironmentBiologyEducationseaweedquadratintertidalcrab.citizen sciencenew zealandrocky shoremarinelimpetchitonocean

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 Sciencemarinewildlife monitoringmarine biologyfield workhorseshoe 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 & EnvironmentAnimalsmarineoceanmycoastmonitoringcrabappledungenessandroidinvasive speciespicturenaturalistshorelineoutdoorappbeachwashingtonscavenger huntbeach walk

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 crabcitizen-based monitoringiphonemonitorcrab.appmonitoring

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