crab.

within 25 miles

May 1, 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 & WeatherBiologyoystereelamerican eelstewardshipcrabnew englandcoastbeachesmonitoringdunewatersandecologyhorseshoe crabmigrationsurveydunesrestorationphenologyspawningwater monitoringcoastalmusselnew hampshirephenologicalgeologybeach

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 & EnvironmentBiologyAnimalsbeachfloridahorseshoe crabsurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentshorelinetributarieskeryn gedansaltwaterstorymapglobal warmingprime hook national wildlife refugechanging shorelinesalt waternew yorkgeorgiasomerset countysapstormchanging landscapesoilmid atlanticcoastalsouth carolinatidal inundationgroundwatersurvey123blackwater national refugeswampdroughtsaltgeographycordgrassforestmarshbleached treestidecoastal educationcoastal ecologyfloodeast coastfloridasalt water intrusionsaltwater marshsalt tolerantblue crabwoodsweet gumregenerationdisturbancegeologyphragmitessalt stressmarylandeastern shorekilling treessea level risedelawarespartina patenscoastal marine ecologysalinelow elevationdelmarva peninsularising seaschesapeake baysawgrassmaritime forestthe george washington universitydying treesmullica river estuaryhurricanenorth carolinaseawaterriverbankland conversionwetlandsnew jerseydelaware bayvirginia coast reservetree deathdying forestsalt tolerant plantscattus islandsaltwater marshesestuarytree stumpfloodingmarsh migrationmarinewildfiresecologyclimate changestumpvirginiaghost forestgedan labblack needle rushpinecedarghosts of the coastdead trees

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 & WeatherEducationintertidalrockysandy beachintertidal monitoringalgaein oceansstudentssandyrocky shoresinvertebratesteachersoceanmarinerocky intertidaltidepoolsand crabsand crabs

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 & EnvironmentBiologyEducationmarinelimpetcitizen sciencerocky shorequadratchitonnew zealandintertidalcrab.oceanseaweed

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 monitoring marine biologymarine biologyfield work horseshoe crabhorseshoe crab marinemarinewildlife 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 & EnvironmentAnimalsappleinvasive speciesmarinenaturalistscavenger huntdungenessappoceanbeach walkwashingtoncrabmonitoringandroidoutdoorshorelinebeachmycoastpicture

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 & EnvironmentBiologyAnimalsappcrab.horseshoe crabmonitoringmonitornew yorkcitizen-based monitoringiphone

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