crab.

within 25 miles

Mar 28, 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 & WeatherBiologywateramerican eelmonitoringcoastalphenologysandnew englandgeologybeachoystereelmusselphenologicaldunescrabbeachesrestorationcoastecologydunespawninghorseshoe crabnew hampshiremigrationsurveywater monitoringstewardship

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 & EnvironmentBiologyAnimalsbeachhorseshoe crabtrainingfloridasurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentkilling treesmarylandwoodsaltwater marshessaltwater marshsouth carolinasalt tolerantgeologysalt water intrusionfloodsawgrassghosts of the coastmarsh migrationcedarnew yorkdelmarva peninsuladelaware baysurvey123sapswampnew jerseywildfirestree deathlow elevationrising seasmarshdying treescoastal educationtributariessalt tolerant plantsvirginia coast reservechanging landscapeshorelinekeryn gedancordgrasscoastal ecologydelawaregroundwaterstorymapseawaterdead treeschesapeake baymullica river estuarypinedroughteast coastestuarygeorgiasalt waternorth carolinadying forestmarinevirginiablue crabsweet gumgeographycoastal marine ecologydisturbanceeastern shorebleached treesspartina patensblack needle rushphragmitessalineriverbankmid atlanticecologysea level risesaltthe george washington universityblackwater national refugesalt stresssomerset countyghost forestprime hook national wildlife refugecoastaltidal inundationstormregenerationsoilclimate changeland conversionglobal warmingforestgedan labtree stumpcattus islandfloridastumptidechanging shorelinesaltwatermaritime forestwetlandsfloodinghurricane

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 & 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 & WeatherEducationstudentsmarinerocky shoresintertidal monitoringteacherssand crabsalgaeintertidalinvertebratessandy beachin oceanssandyrocky intertidalrockytidepooloceansand crab

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 & EnvironmentBiologyEducationseaweedintertidalmarinecrab.quadratnew zealandrocky shoreoceanchitonlimpetcitizen science

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 marinemarine biologyfield workwildlife monitoring horseshoe crab wildlife monitoringhorseshoe crab marine biologymarine

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 & EnvironmentAnimalspictureinvasive speciesbeach walkmarineapplewashingtonoceandungenessoutdoorbeachmycoastappcrabandroidscavenger huntmonitoringshorelinenaturalist

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 & EnvironmentBiologyAnimalshorseshoe crabiphonemonitorappmonitoringcrab.citizen-based monitoringnew york

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