crab.

within 25 miles

Oct 26, 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 & WeatherBiologycrabcoastoysterwater monitoringphenologywaterdunessurveydunebeachesspawningsandecologynew englandhorseshoe crabmigrationrestorationmusseleelmonitoringamerican eelphenologicalnew hampshiregeologycoastalbeachstewardship

PEBL CIC (Plant Ecology Beyond Land)

FishSpotter

Identify UK marine species on seaweed and shellfish farm seabeds

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsspecies identificationfishmarineunited 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 & EnvironmentBiologyAnimalsbeachhorseshoe crabsurveyfloridatraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcedarriverbankland conversionsalinevirginiasawgrasscoastalstormestuaryhurricanepinesaptributariessalt tolerant plantsghost forestvirginia coast reservesaltcordgrassseawatersalt tolerantcoastal educationshorelinemaritime forestghosts of the coastgroundwatersalt waterkilling treestree deathtidal inundationblue crabsoilnew yorkforestmullica river estuarychanging landscapedead treesdelawareprime hook national wildlife refugeregenerationnorth carolinachesapeake baydisturbancegeologycoastal marine ecologymarylandsweet gumblack needle rushwoodtree stumpstumpclimate changekeryn gedaneast coastchanging shorelinewetlandsstorymapdelmarva peninsulacoastal ecologymid atlanticmarsh migrationnew jerseygeorgiawildfiressurvey123cattus islandsaltwater marshessouth carolinadroughtecologyrising seasfloodsaltwatersalt stressdying foresteastern shorephragmitestideglobal warmingdying treesfloridalow elevationsea level riseblackwater national refugemarshgedan labsaltwater marshdelaware baythe george washington universitysomerset countymarinegeographysalt water intrusionfloodingspartina patensbleached treesswamp

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe 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 & WeatherEducationtidepoolsandy beachmarineintertidalrocky shoresrockyrocky intertidalalgaeintertidal monitoringinvertebratessand crabin oceansteachersoceanstudentssandysand 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 & EnvironmentBiologyEducationoceancitizen scienceseaweedlimpetnew zealandrocky shorechitonmarineintertidalquadratcrab.

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 crabmarine biologyfield workmarine

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 & EnvironmentAnimalsshorelinewashingtonoutdoormonitoringbeachapplecrabappinvasive speciesmarinemycoastbeach walkpicturedungenessoceanandroidnaturalistscavenger hunt

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