crab.

within 25 miles

Jan 12, 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 & WeatherBiologyphenologicalecologymonitoringcoastmusselrestorationnew hampshireamerican eelgeologycrabwaterdunesspawninghorseshoe crabstewardshipsurveybeachesmigrationsandwater monitoringduneeelcoastalnew englandphenologybeachoyster

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 & EnvironmentBiologyAnimalssurveyhorseshoe crabfloridatrainingbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentblue crabsoiltidal inundationmaritime foresttree deathblack needle rushprime hook national wildlife refugedroughtmid atlanticgroundwatermarylanddead treeschesapeake baystorymapsalt waterdying treeshurricanesea level risesapsaltwater marshsaltghosts of the coastcedarsalinecoastal educationfloodingeast coastsurvey123swampgeologyglobal warmingcordgrassdying forestwoodkeryn gedancoastal marine ecologypinemarsh migrationsawgrasssaltwater marshesmarineeastern shoredelawarefloodclimate changetributarieschanging shorelinetree stumpstumpland conversionriverbankgeorgiamarshsaltwaterrising seassweet gumkilling treeswetlandslow elevationregenerationnorth carolinagedan labsalt tolerant plantsdisturbancechanging landscapevirginia coast reserveforestseawatersouth carolinafloridaghost forestblackwater national refugeestuaryphragmitessalt stressvirginiasomerset countydelmarva peninsulageographycoastalstormcattus islandspartina patensshorelinecoastal ecologysalt water intrusionnew jerseythe george washington universitywildfiresdelaware baymullica river estuarybleached treesecologytidesalt tolerantnew york

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 & WeatherEducationsand crabalgaesand crabsteacherssandy beachin oceanssandyoceanrocky intertidaltidepoolinvertebratesrocky shoresrockystudentsintertidal monitoringintertidalmarine

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 & EnvironmentBiologyEducationrocky shorechitonoceanseaweedcrab.new zealandcitizen sciencemarinequadratintertidallimpet

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 Sciencefield work wildlife monitoring horseshoe crabmarine biology marine biologymarinehorseshoe crab marinewildlife 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 ScienceNature & OutdoorsEcology & EnvironmentAnimalsoceanoutdoorpictureappscavenger huntinvasive speciesbeachmarinemycoastnaturalistwashingtonapplecrabbeach walkmonitoringshorelineandroiddungeness

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 & EnvironmentBiologyAnimalsnew yorkhorseshoe crabcrab.iphonemonitoringmonitorcitizen-based monitoringapp

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