crab.

within 25 miles

Jan 7, 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 & WeatherBiologycoastoystergeologyphenologicalmigrationbeachnew englandsurveyecologyphenologynew hampshireduneeelmonitoringmusselrestorationhorseshoe crabwater monitoringcoastalcrabwaterspawningstewardshipdunessandamerican eelbeaches

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 crabfloridatrainingsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentforestsalinemarshlow elevationsalt tolerant plantscattus islandtree stumpfloodstorymapkilling treesdroughtclimate changecoastal ecologychanging landscaperising seasvirginiadelmarva peninsulawildfiresglobal warmingsaltchanging shorelineblue crabwooddead treeseast coastsaltwater marshtidevirginia coast reservemid atlanticsawgrassthe george washington universityregenerationsurvey123swampsweet gumeastern shoresea level risegroundwaterdying treescedarcoastal marine ecologyecologyshorelinenew yorktributariessalt tolerantseawaterdelaware bayriverbanksaltwater marsheskeryn gedanmarsh migrationhurricanemarylandstormblack needle rushcoastalnew jerseymaritime forestgeographystumpsaltwatersomerset countypinedisturbancesapmarinegedan labghost forestchesapeake baysalt waterland conversiontidal inundationfloodingdying forestspartina patenssalt stressphragmitessoilmullica river estuarysalt water intrusionbleached treesgeologytree deathwetlandsgeorgianorth carolinacoastal educationghosts of the coastprime hook national wildlife refugedelawareestuaryblackwater national refugefloridacordgrasssouth carolina

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

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 oceanssandy beachrockysand crabstidepoolsandyinvertebratesstudentsrocky shoresintertidal monitoringsand crabrocky intertidalteachersintertidalalgaeoceanmarine

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 & EnvironmentBiologyEducationcitizen sciencenew zealandoceanquadratrocky shorelimpetintertidalcrab.seaweedmarinechiton

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 monitoring horseshoe crabhorseshoe crabmarine biology marine biologymarinefield work marine wildlife monitoring

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 & Outdoorscraboceanscavenger huntinvasive speciesdungenessbeach walkmarineshorelinewashingtonappleoutdoormonitoringbeachappnaturalistmycoastandroidpicture

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 & EnvironmentBiologyAnimalscitizen-based monitoringappcrab.monitoringhorseshoe crabnew yorkmonitoriphone

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