crab.

within 25 miles

May 1, 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 & WeatherBiologycoastrestorationdunesspawningoysterhorseshoe crabeelecologymigrationnew englandmonitoringcoastalgeologybeachwateramerican eelcrabnew hampshirewater monitoringphenologysurveysandphenologicalstewardshipmusseldunebeaches

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 & EnvironmentBiologyAnimalstraininghorseshoe crabsurveybeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmid atlanticsalt tolerant plantscordgrasschanging shorelinevirginiasalinesawgrasstributariespinechesapeake baygedan labdelmarva peninsulafloodsaltmullica river estuarymarinegeologyriverbankblackwater national refugedelaware baysaltwater marshshorelinemarylandsweet gumestuarysaltwatersaltwater marshesnew yorkwoodglobal warminggeorgiasea level riselow elevationcedarregenerationvirginia coast reservesouth carolinafloridaprime hook national wildlife refugesalt stressgeographystormeastern shorephragmiteskilling treesdroughtswampmaritime forestsalt toleranttree stumpwetlandscoastal ecologyhurricaneghosts of the coastforeststorymapseawatersalt watertidal inundationfloodingdying treesgroundwatercoastalblack needle rushkeryn gedandisturbancemarshsomerset countynew jerseychanging landscapethe george washington universityclimate changemarsh migrationstumpwildfiresecologytree deatheast coastnorth carolinablue crabdelawaretidesapcoastal marine ecologycattus islanddead treesbleached treescoastal educationsoilghost forestrising seasland conversionsurvey123dying forestspartina patenssalt water intrusion

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach 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 & 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 & WeatherEducationinvertebratessandy beachrockyalgaein oceansstudentstidepoolsand crabssandysand crabrocky shoresintertidalrocky intertidalintertidal monitoringoceanteachersmarine

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 & EnvironmentBiologyEducationmarinerocky shorequadratcrab.citizen scienceseaweedlimpetnew zealandintertidalchitonocean

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 wildlife monitoringmarine marine biologywildlife monitoringhorseshoe crab marinemarine biologyfield work horseshoe 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 & EnvironmentAnimalswashingtonnaturalistbeach walkcrabscavenger huntmycoastappmarineoutdoorbeachpictureandroiddungenessoceaninvasive speciesshorelinemonitoringapple

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 crabcitizen-based monitoringappiphonenew yorkmonitormonitoringcrab.

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