crab.

within 25 miles

Feb 13, 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 & WeatherBiologymigrationgeologymonitoringdunesbeachmusseldunephenologyrestorationecologycoastalhorseshoe crabwater monitoringstewardshipbeacheswaterphenologicalspawningsandamerican eelnew hampshirecoastcraboystersurveyeelnew england

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 crabsurveybeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentblack needle rushestuaryecologylow elevationcoastal ecologygeologycedarmid atlanticchesapeake bayspartina patensstorymapgroundwaterregenerationtiderising seastributariesnew jerseydisturbancecoastal educationdying treeshurricanestumpcattus islandcoastal marine ecologysaltwater marshsomerset countywoodbleached treeskeryn gedansurvey123maritime foreststormmarylandsaltwater marshesriverbanksalttidal inundationsouth carolinamarinedroughtwildfireswetlandsghosts of the coastsaltwaterglobal warmingsalinesalt tolerant plantsghost forestsawgrassprime hook national wildlife refugepinesalt tolerantchanging shorelinemullica river estuarysalt stresskilling treessalt water intrusionswampfloodinggedan labeastern shorechanging landscapemarsh migrationfloridasalt watersoilblackwater national refugeeast coastdead treesblue crabcordgrassgeorgiafloodtree stumpphragmitescoastaltree deaththe george washington universityvirginiasea level risedelmarva peninsuladelawareseawatersweet gumland conversiondelaware baymarshvirginia coast reserveshorelinedying forestnew yorkclimate changegeographyforestnorth carolinasap

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 & 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 & WeatherEducationsandy beachteacherssand crabssand crabintertidalalgaemarineinvertebratesrockyoceanrocky intertidalin oceanstidepoolsandystudentsintertidal 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 & EnvironmentBiologyEducationnew zealandlimpetchitonrocky shoreoceancitizen sciencecrab.intertidalquadratmarineseaweed

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 Science horseshoe crabwildlife monitoring wildlife monitoringhorseshoe crabfield workmarine biology marine biologymarine marine

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 & EnvironmentAnimalsscavenger huntmarineoutdoorbeach walkoceanshorelinepictureappcrabinvasive speciesmonitoringdungenesswashingtonappleandroidmycoastnaturalistbeach

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.iphonehorseshoe crabcitizen-based monitoringmonitoringmonitorappnew york

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