crab.

within 25 miles

Mar 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 & WeatherBiologydunesurveynew hampshireduneswater monitoringecologyphenologicalmusseleelrestorationcrabsandbeacheshorseshoe crabcoastalcoaststewardshipmonitoringoystermigrationnew englandspawninggeologyamerican eelwaterphenologybeach

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 crabsurveyfloridatraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsawgrassmullica river estuarysomerset countydelaware baysalt water intrusionclimate changesaltwater marshfloodingwetlandsland conversionspartina patenssalt tolerantriverbanksaltwater marshesblue crabthe george washington universitypineglobal warmingchanging shorelinehurricaneeast coastcordgrassphragmitesseawaternorth carolinaregenerationdisturbancekilling treesgeorgiasalt watersurvey123keryn gedansouth carolinamaritime forestcedarecologynew jerseybleached treesgeographysalteastern shoresaltwaterblack needle rushsalineprime hook national wildlife refugetree deathghost forestmid atlanticmarshdroughttree stumpchanging landscapecoastal ecologytidemarsh migrationcoastaldying treesfloridawildfirestributariesstorymapsweet gumdelmarva peninsulatidal inundationsoilwoodrising seasfloodchesapeake baygroundwatervirginiaforeststormdead treescoastal educationstumpgeologysalt stressblackwater national refugedying forestsalt tolerant plantsmarinedelawarecattus islandsapsea level riseshorelinelow elevationvirginia coast reservenew yorkmarylandghosts of the coastcoastal marine ecologyestuarygedan labswamp

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe 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 & Environmenthorseshoe crabsdelaware bay

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 intertidalsand crabrockyoceanmarinesandyteachersalgaeintertidalintertidal monitoringrocky shoresstudentstidepoolsandy beachsand crabsinvertebratesin oceans

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 & EnvironmentBiologyEducationquadratnew zealandchitonmarinecitizen scienceoceanseaweedlimpetrocky shoreintertidalcrab.

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 Sciencefield work marine biology marinemarinewildlife monitoringhorseshoe crabmarine biology wildlife monitoring horseshoe 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 & EnvironmentAnimalsoceanshorelinewashingtonmycoastbeach walkpicturenaturalistinvasive speciesmarineoutdoorbeachmonitoringandroidappdungenesscrabscavenger huntapple

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 monitoringhorseshoe crabappmonitorcrab.new york

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