crab.

within 25 miles

Jan 21, 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 & WeatherBiologyrestorationgeologycoastalmusselbeachesbeachcrabdunesurveycoastoystereelsandecologyphenologyamerican eelhorseshoe crabdunesstewardshipphenologicalspawningmonitoringnew hampshiremigrationwater monitoringnew englandwater

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 & EnvironmentBiologyAnimalstraininghorseshoe crabbeachfloridasurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsaltestuarymarinesalt tolerant plantsgroundwaterpinefloodcattus islanddead treeschanging shorelinesapkeryn gedanrising seasblue crabmarylandsalt stressprime hook national wildlife refugesalt tolerantsurvey123tree stumpland conversionriverbanksoilchesapeake baygeographydelmarva peninsulavirginiacoastal marine ecologycedarcoastal educationcoastaltributariessaltwater marshesgedan labfloridadelawarestormnew jerseysea level risedelaware baywetlandsstumpmid atlanticgeorgiaswampsaltwater marshchanging landscapeghost forestforestmarsh migrationtideghosts of the coastsalt water intrusionsweet gumblack needle rushwoodclimate changesalt waterwildfiressaltwaternorth carolinablackwater national refugeecologydroughtsawgrasscordgrassfloodingdisturbancehurricanedying treesglobal warmingeastern shorecoastal ecologykilling treesregenerationmaritime forestbleached treeslow elevationdying forestvirginia coast reservestorymapthe george washington universitytree deathnew yorkshorelinesomerset countysalinemarsheast coasttidal inundationmullica river estuarysouth carolinageologyphragmitesspartina patensseawater

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 & 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 & WeatherEducationstudentsinvertebratesrocky shoressandy beachin oceansrockyintertidalsand crabsrocky intertidalsandytidepoolintertidal monitoringmarineoceanalgaeteacherssand 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 & EnvironmentBiologyEducationseaweedintertidallimpetquadratcitizen sciencechitoncrab.rocky shoreoceannew zealandmarine

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 Sciencewildlife monitoringhorseshoe crabmarinefield work wildlife monitoring horseshoe crabmarine biology marine marine biology

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 & EnvironmentAnimalsdungenesspicturecrabmycoastappleandroidwashingtonbeachoutdoorscavenger huntoceanmonitoringbeach walkappshorelineinvasive speciesnaturalistmarine

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 & EnvironmentBiologyAnimalscrab.new yorkmonitorappiphonemonitoringcitizen-based monitoringhorseshoe crab

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