crab.

within 25 miles

Mar 7, 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 & WeatherBiologymusselwatercoastalgeologyphenologysandcrabnew hampshiremonitoringduneeelspawningphenologicalamerican eelmigrationdunescoastoysterstewardshipbeacheswater monitoringbeachsurveyrestorationnew englandecologyhorseshoe crab

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 & EnvironmentBiologyAnimalsfloridahorseshoe crabtrainingsurveybeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentspartina patensmid atlanticsalt waterblackwater national refugesalt water intrusionnew jerseydying forestsomerset countytree deathnorth carolinamarineprime hook national wildlife refugegeorgiaregenerationsaltwater marshsapnew yorksalt stressdelawarestormcattus islandpinecedarsawgrasstidal inundationfloodingfloodgedan labsalt tolerant plantsdying treesdelaware baysoilswampsouth carolinasaltwaterchanging landscapeecologybleached treesgeologytree stumpblack needle rushphragmiteswetlandstributariesghosts of the coastblue crabdisturbancemarsh migrationclimate changemullica river estuarykilling treescoastalcoastal educationmaritime forestland conversionseawatercoastal marine ecologycordgrassdead treeseastern shoredelmarva peninsulageographyfloridaestuarysalinelow elevationthe george washington universitysalt toleranteast coastmarshsweet gumhurricanevirginia coast reserveforestrising seasmarylandchesapeake baystorymapsea level risesaltwater marshestidewoodcoastal ecologywildfiresgroundwatersaltchanging shorelinesurvey123stumpshorelineriverbankkeryn gedanglobal warmingghost forestdroughtvirginia

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 & WeatherEducationsandyrocky intertidalmarinein oceanssand crabsteachersstudentsintertidal monitoringrocky shoressandy beachsand crabalgaeoceantidepoolrockyintertidalinvertebrates

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 & EnvironmentBiologyEducationoceannew zealandrocky shoremarinequadratlimpetcitizen sciencechitonseaweedintertidalcrab.

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 monitoringhorseshoe crabmarinewildlife monitoring marine horseshoe crabmarine biology marine biologyfield work

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 & EnvironmentAnimalsoutdoorscavenger huntbeach walkappmarinedungenessnaturalistandroidapplewashingtonbeachinvasive speciesmycoastcraboceanpicturemonitoringshoreline

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 & EnvironmentBiologyAnimalsmonitoringcrab.iphonenew yorkcitizen-based monitoringhorseshoe crabappmonitor

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