crab.

within 25 miles

Oct 30, 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 & WeatherBiologywatersurveyphenologyspawningstewardshipcoastmonitoringecologyamerican eelsandcrabmusseldunenew hampshirenew englandrestorationmigrationphenologicalwater monitoringcoastalgeologyhorseshoe craboysterbeacheseeldunesbeach

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 & EnvironmentBiologyAnimalstrainingbeachfloridahorseshoe crabsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentriverbankcoastalclimate changeblackwater national refugemarinesalt waterrising seasthe george washington universitysaltwaterpineglobal warmingcedarsoilghosts of the coastnew yorkdelmarva peninsulatidegroundwatersalt tolerantsouth carolinacoastal educationgeographygedan labswampblack needle rushvirginiasaltwater marshseawaterhurricanedying treessapeast coastchanging landscapegeologysawgrassstormeastern shoredelawareestuarysalineblue crabsurvey123disturbancesaltecologytree deathstumpsaltwater marshesfloridadying forestsalt water intrusionnew jerseysalt tolerant plantsmid atlanticchesapeake bayghost forestland conversiondelaware baysweet gumcoastal marine ecologyregenerationshorelinemarshmarsh migrationprime hook national wildlife refugemullica river estuarydroughtmarylandsea level risewoodspartina patensdead treeschanging shorelinewildfiresbleached treesfloodtributarieslow elevationnorth carolinatidal inundationsomerset countyvirginia coast reservecoastal ecologyforesttree stumpcattus islandcordgrasskeryn gedanfloodingstorymapgeorgiasalt stresskilling treesmaritime forestwetlandsphragmites

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 & WeatherEducationalgaesand crabsmarinerocky intertidalteachersrockyinvertebratesoceanin oceanssand crabintertidalsandystudentssandy beachtidepoolintertidal monitoringrocky shores

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 & EnvironmentBiologyEducationintertidalseaweedoceancitizen sciencelimpetmarinequadratnew zealandrocky shorecrab.chiton

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 Sciencemarine marine marine biology wildlife monitoringfield work horseshoe crabwildlife monitoringhorseshoe crabmarine biology

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 & Outdoorsapplenaturalistbeachappinvasive speciesscavenger huntmycoastwashingtonpictureoutdoormonitoringbeach walkcrabmarinedungenessandroidoceanshoreline

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 & EnvironmentBiologyAnimalsiphonemonitoringcrab.monitorappnew yorkcitizen-based monitoringhorseshoe crab

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