crab.

within 25 miles

Oct 20, 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 & WeatherBiologyphenologymigrationmusselbeachwaternew englandrestorationwater monitoringcoastecologycoastalgeologyspawningbeachesoysterdunessandeelmonitoringsurveyphenologicalamerican eelcrabhorseshoe crabdunenew hampshirestewardship

PEBL CIC (Plant Ecology Beyond Land)

FishSpotter

Identify UK marine species on seaweed and shellfish farm seabeds

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsfishspecies identificationmarineunited kingdom

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 & EnvironmentBiologyAnimalsbeachtraininghorseshoe crabsurveyflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcoastalprime hook national wildlife refugeclimate changeestuarythe george washington universitysalt stresslow elevationbleached treesstorymapcattus islandchanging shorelinedelaware baygeologyhurricaneshorelinesaltfloodingrising seassalinemarinedelmarva peninsulachesapeake baydying forestsurvey123black needle rushsaltwater marshessoildead treesdroughtsaptree stumpeastern shoreghosts of the coastpinetree deathsalt tolerantwetlandssalt waterforestseawatercedarmarsh migrationcoastal ecologymid atlanticsaltwatercoastal marine ecologynew jerseymullica river estuarystormdying treesgeorgianorth carolinasomerset countystumpvirginia coast reservefloridatidal inundationswampkeryn gedanvirginiaregenerationmaritime forestcordgrassgeographysawgrasstributariesblackwater national refugegedan labnew yorkchanging landscapeghost forestdelawaredisturbancesalt tolerant plantseast coastsea level risefloodmarylandtidesouth carolinakilling treesecologygroundwaterwoodphragmitesblue crabland conversionglobal warmingriverbankcoastal educationsweet gummarshwildfiressaltwater marshspartina patenssalt water intrusion

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture

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 & WeatherEducationintertidaltidepoolrockyrocky intertidalstudentssandyoceaninvertebratessandy beachin oceansintertidal monitoringteacherssand crabsalgaerocky shoressand crabmarine

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 & EnvironmentBiologyEducationcrab.new zealandoceanchitonseaweedrocky shoreintertidalmarinelimpetcitizen sciencequadrat

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 Sciencemarinewildlife monitoringfield workmarine biologyhorseshoe 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 & EnvironmentAnimalsshorelineapplebeachmarineoceandungenessandroidnaturalistappmonitoringwashingtonmycoastoutdoorpicturecrabscavenger huntbeach walkinvasive species

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