crab.

within 25 miles

Apr 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 & WeatherBiologybeachesmigrationhorseshoe crabstewardshipphenologyamerican eelmusselcoastwaterbeachoystereelecologysurveydunescrabrestorationmonitoringnew hampshirecoastalsandphenologicalnew englandwater monitoringgeologydunespawning

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 & EnvironmentBiologyAnimalssurveyfloridahorseshoe crabtrainingbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcoastal marine ecologyhurricaneglobal warmingcoastal ecologyvirginia coast reservesalinegroundwatertidal inundationsweet gumblack needle rushtributariessaltwater marshthe george washington universityghost forestpinenew yorkmarsh migrationsaltwatertidedying treessapprime hook national wildlife refugestormmarineland conversiondelmarva peninsulaseawaterestuarycoastalriverbankshorelinetree deathrising seassaltwater marshesbleached treeswildfiresspartina patensgeorgiavirginiasalt stressdelawaregeologydelaware baytree stumpsalt tolerant plantsghosts of the coastcattus islandchesapeake baysalt water intrusioncedarmid atlanticsurvey123phragmitesecologystumpchanging landscapesomerset countyblue crabfloodingcoastal educationblackwater national refugemullica river estuarydying forestmaritime forestgeographyeastern shoresoilmarshmarylandfloodswampkeryn gedansalt tolerantdisturbancecordgrasswetlandsgedan labwoodchanging shorelinesouth carolinaclimate changedroughtsea level risesalteast coastfloridanorth carolinalow elevationregenerationkilling treesnew jerseyforestsawgrassstorymapdead treessalt water

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 & 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 & WeatherEducationrocky intertidaltidepoolstudentssand crabsinvertebratessandy beachsand craboceanmarinerocky shoresintertidal monitoringsandyteachersin oceansrockyalgaeintertidal

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 & EnvironmentBiologyEducationquadratcrab.intertidalcitizen sciencechitonmarinelimpetnew zealandseaweedrocky shoreocean

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 biologywildlife monitoring horseshoe crabmarine marine marine biologyfield workhorseshoe 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 & EnvironmentAnimalsmarineappnaturalistdungenessbeachmycoastbeach walkwashingtoninvasive speciespictureshorelinecrabscavenger huntoutdooroceanandroidapplemonitoring

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 & EnvironmentBiologyAnimalsmonitoringapphorseshoe crabnew yorkiphonemonitorcrab.citizen-based monitoring

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