crab.

within 25 miles

Aug 17, 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 & WeatherBiologysandcrabmonitoringoystersurveyrestorationcoastphenologicalhorseshoe crabnew englandcoastalnew hampshirewater monitoringbeachecologydunesamerican eelmigrationgeologywaterdunespawningphenologyeelbeachesstewardshipmussel

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 & EnvironmentBiologyAnimalssurveyhorseshoe crabtrainingfloridabeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentrising seaseast coastcoastal educationstorymapsalinegedan labsoilthe george washington universitymullica river estuarykilling treeskeryn gedansalt stressvirginiasalt waterblue crabtree deathchanging landscapegeorgiawoodmarsh migrationfloodingnorth carolinasalt tolerantdelawaretideghosts of the coastcoastal ecologysapsomerset countycedarmaritime forestnew yorksalt water intrusiontree stumpdroughtsurvey123dying treesmarshsaltwater marshesestuaryfloridadying forestbleached treesprime hook national wildlife refugeland conversionvirginia coast reservesaltwatertributariescoastal marine ecologyfloodgeologychanging shorelinetidal inundationclimate changecordgrassglobal warminglow elevationdelmarva peninsulaforestwetlandsseawatersaltwater marshhurricanestumpswampsea level risespartina patenspinestormmid atlanticgeographysawgrassnew jerseymarineregenerationblack needle rushwildfiresriverbankchesapeake bayeastern shoresouth carolinamarylandshorelinedead treescoastaldisturbancephragmitessalt tolerant plantsghost forestsaltdelaware baycattus islandblackwater national refugeecologysweet gumgroundwater

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabpicturebeach walk

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 & WeatherEducationintertidal monitoringin oceansteacherstidepoolsandyrocky intertidalintertidaloceansand crabsmarinerockyrocky shoressandy beachinvertebratessand crabstudentsalgae

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 & EnvironmentBiologyEducationquadratrocky shoreoceannew zealandcitizen sciencecrab.seaweedmarinelimpetintertidalchiton

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 monitoringfield workmarine biologymarinehorseshoe 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 & EnvironmentAnimalsoutdoorwashingtoninvasive speciesmycoastdungenessandroidpicturebeach walkcrabappoceannaturalistscavenger huntmarinemonitoringbeachshorelineapple

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 & EnvironmentBiologyAnimalscrab.iphonemonitoringmonitorcitizen-based monitoringnew yorkhorseshoe crabapp

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