crab.

within 25 miles

Mar 4, 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 & WeatherBiologysandnew englandrestorationeelcoastcrabcoastalgeologywatersurveystewardshipbeachesecologyphenologicalamerican eelhorseshoe crabdunesmigrationdunephenologymonitoringnew hampshirewater monitoringbeachmusselspawningoyster

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 & EnvironmentBiologyAnimalshorseshoe crabsurveytrainingbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentblackwater national refugesapsomerset countyprime hook national wildlife refugecoastal marine ecologybleached treescoastal educationdying foresteastern shoretidenew yorkwoodchanging shorelinesalt tolerantstorymapmarshsawgrasspinenew jerseyfloridaeast coastvirginiadying treescedarforestwildfiressweet gumfloodingsouth carolinatree stumpmarinesea level risesaltwater marshesgroundwatersalt tolerant plantsglobal warmingmid atlanticseawatergeologymarylanddelawaredroughtriverbankrising seasshorelinemaritime forestlow elevationsoilmarsh migrationclimate changecordgrasssaltsaltwater marshsalt waterecologyregenerationland conversiondisturbanceblue crabmullica river estuarysalinestormghosts of the coasthurricanedead treesnorth carolinageographyswampchanging landscapeghost forestsalt stresskilling treeskeryn gedanblack needle rushestuarydelaware baygeorgiastumpcoastaltree deathchesapeake bayspartina patenstidal inundationdelmarva peninsulagedan labsaltwatertributarieswetlandscattus islandphragmitescoastal ecologyfloodthe george washington universityvirginia coast reservesalt water intrusionsurvey123

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturebeach walkhorseshoe 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 & WeatherEducationintertidalsandyrocky shoressand crabintertidal monitoringsand crabsrockytidepoolrocky intertidalmarinestudentsin oceansinvertebratesteachersoceansandy beachalgae

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 & EnvironmentBiologyEducationnew zealandoceancitizen scienceseaweedchitonintertidalrocky shorequadratlimpetcrab.marine

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 monitoring horseshoe crabfield workmarine biology marine biologyhorseshoe crab marinemarine wildlife monitoring

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 & EnvironmentAnimalsnaturalistcrabdungenessmycoastbeachoutdoormarineandroidscavenger huntapplemonitoringoceaninvasive speciesbeach walkapppictureshorelinewashington

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 & EnvironmentBiologyAnimalsiphonehorseshoe crabmonitoringmonitorcitizen-based monitoringnew yorkappcrab.

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