crab.

within 25 miles

Dec 3, 2025

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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 & WeatherBiologymusseleelnew englandphenologicalstewardshipbeachescoastcrabdunessandphenologyrestorationmigrationsurveynew hampshiregeologyamerican eelduneoysterspawningwatermonitoringbeachecologyhorseshoe crabcoastalwater monitoring

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 & EnvironmentBiologyAnimalstrainingsurveyhorseshoe crabbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmullica river estuarymarshsapecologysaltwater marshessouth carolinaphragmiteseastern shorenorth carolinaregenerationsalt toleranttidal inundationcoastaldroughtwetlandssurvey123sawgrassgeographybleached treeswoodeast coastgeologykeryn gedanwildfirestree deathriverbankmarylandtidespartina patensvirginiacoastal educationsaltwaterchanging shorelinedying treescoastal marine ecologysea level riseshorelinesalt tolerant plantsforesttree stumpmaritime forestsalt stressblack needle rushnew yorksalinefloodmarinerising seasswampsalt water intrusiontributariesmarsh migrationcattus islandgeorgiamid atlanticghost forestcordgrasscedarprime hook national wildlife refugestumpsaltblue crabsaltwater marshpinesweet gumvirginia coast reserveghosts of the coastestuarysoilthe george washington universitysalt waterfloodingdelaware baylow elevationdelawareland conversionglobal warminggroundwaterdead treeschesapeake baydisturbancesomerset countychanging landscapeseawaterkilling treesdying forestgedan labstorymaphurricanefloridastormcoastal ecologydelmarva peninsulaclimate changenew jerseyblackwater national refuge

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 & WeatherEducationrockyoceansandy beachintertidal monitoringsand crabalgaemarinestudentsin oceanstidepoolsand crabsrocky shoresintertidalrocky intertidalinvertebratesteacherssandy

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 & EnvironmentBiologyEducationseaweedmarineoceanintertidalcitizen sciencenew zealandchitonlimpetcrab.quadratrocky shore

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 marinewildlife monitoringfield workhorseshoe crabmarine horseshoe crabmarine biology marine biology 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsappoutdoorscavenger huntpicturemonitoringbeachoceanbeach walknaturalistinvasive speciesapplewashingtonmarineshorelinedungenessandroidmycoastcrab

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 & EnvironmentBiologyAnimalsiphonecitizen-based monitoringnew yorkmonitoringmonitorcrab.apphorseshoe crab

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