crab.

within 25 miles

Nov 29, 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 & WeatherBiologywater monitoringgeologyphenologicalsurveyspawningrestorationphenologycrabnew hampshirestewardshipmusselnew englandhorseshoe crabmigrationdunewatermonitoringbeachduneseeloysteramerican eelbeachescoastsandecologycoastal

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 & EnvironmentBiologyAnimalsfloridabeachhorseshoe crabsurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmid atlanticsomerset countysea level risemaritime forestsalt water intrusiondelmarva peninsulavirginia coast reservestormchanging shorelinetidal inundationgeorgiaspartina patenstree stumpmarylandcoastal educationcoastalecologynew yorksalt tolerantsapphragmitessalt tolerant plantskeryn gedandying forestshorelinesawgrassdying treesclimate changecattus islandcoastal ecologycedarfloodwetlandstree deathtributariesblack needle rushdelawareghosts of the coaststorymapfloodingmullica river estuaryhurricanesouth carolinaglobal warmingregenerationblackwater national refugeriverbankmarsh migrationsalt stressmarinedead treessurvey123the george washington universitycoastal marine ecologychanging landscapeeast coastgeologycordgrasssoilfloridaprime hook national wildlife refugegeographyghost forestforestgroundwaterseawaterwildfiresland conversionnew jerseysweet gumsalt waterchesapeake baymarshswampgedan labbleached treesrising seaslow elevationdroughtblue crabstumpdisturbancesaltwaterwoodsaltwater marsheastern shorenorth carolinakilling treesvirginiadelaware baysalinepineestuarysalttidesaltwater marshes

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 & WeatherEducationrockysandy beachsand crabsalgaerocky shoressand crabin oceansstudentstidepoolintertidalintertidal monitoringmarinerocky intertidaloceaninvertebratessandyteachers

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 & EnvironmentBiologyEducationchitonseaweedcrab.oceancitizen sciencelimpetnew zealandintertidalmarinerocky shorequadrat

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 Science horseshoe crab marinemarine biology marine biology wildlife monitoringhorseshoe crabfield workwildlife monitoringmarine

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 & Outdoorsbeach walkappapplemarinedungenesscrabbeachshorelinenaturalistandroidinvasive speciesoutdoorpictureoceanmonitoringwashingtonscavenger 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 & EnvironmentBiologyAnimalsmonitorcitizen-based monitoringappnew yorkhorseshoe crabiphonecrab.monitoring

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