crab.

within 25 miles

Dec 13, 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 & WeatherBiologyrestorationcrabeeldunedunessurveyphenologicalmonitoringmusselphenologyhorseshoe crabmigrationwaternew englandcoastalamerican eelwater monitoringsandecologyoysterbeachspawningstewardshipbeachescoastnew hampshiregeology

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 & EnvironmentBiologyAnimalsfloridatraininghorseshoe crabbeachsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt tolerantsalt waterestuarythe george washington universitynew jerseycoastal ecologysalt stresscattus islandcoastal marine ecologyprime hook national wildlife refugedroughtswampvirginia coast reservetidal inundationwetlandsglobal warmingsaltwaterfloodingmaritime forestcedarwildfiressweet gumtributariessomerset countycoastalrising seassapgedan labblue crabforestsalt water intrusionpinemarsh migrationdead treeschesapeake baysaltwater marsheskeryn gedanwoodsurvey123north carolinalow elevationgroundwatersaltghosts of the coastsouth carolinageologymarylandblackwater national refugefloridadelmarva peninsuladying treesphragmitesdelawarestumpghost forestdelaware baysaltwater marshspartina patensmullica river estuarymarineseawatercoastal educationtree stumpsawgrassriverbankshorelinebleached treestree deathchanging shorelineregenerationdisturbancecordgrassvirginiamid atlanticmarshfloodecologygeographychanging landscapekilling treessea level riseland conversioneastern shoreeast coastsoilgeorgiasalineclimate changehurricanetidenew yorkblack needle rushstormstorymapdying forestsalt tolerant plants

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 & 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 shoresin oceanssandystudentsrockyintertidal monitoringalgaeteacherstidepoolintertidalsandy beachoceanmarinesand crabsrocky intertidalinvertebratessand crab

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 & EnvironmentBiologyEducationlimpetcitizen sciencecrab.seaweedmarinechitonoceannew zealandquadratintertidalrocky shore

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 Sciencemarinemarine biologyhorseshoe crab marine horseshoe crabwildlife monitoring wildlife monitoring marine biologyfield work

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 & Outdoorsoutdoormycoastwashingtonscavenger huntmarineoceanappleinvasive speciesbeachshorelinedungenessmonitoringappnaturalistpicturebeach walkandroidcrab

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 & EnvironmentBiologyAnimalshorseshoe crabmonitoringmonitorcitizen-based monitoringappcrab.iphonenew york

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