crab.

within 25 miles

Nov 7, 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 & WeatherBiologywaternew englandnew hampshirecoastmigrationbeachesecologyspawningphenologysurveyphenologicalstewardshipmusselamerican eelcrabdunessandbeachwater monitoringeeldunecoastaloysterhorseshoe crabmonitoringgeologyrestoration

PEBL CIC (Plant Ecology Beyond Land)

FishSpotter

Identify UK marine species on seaweed and shellfish farm seabeds

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsunited kingdomspecies identificationmarinefish

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 & EnvironmentBiologyAnimalshorseshoe crabsurveyfloridabeachtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentphragmitessalinelow elevationmid atlanticrising seassaltsomerset countytree stumpstormclimate changekilling treesfloodsalt waterglobal warmingmarsh migrationtree deathsalt water intrusionsaltwater marshesghosts of the coasteast coastsalt tolerant plantschanging landscapesaltwaterbleached treesdelmarva peninsulamarylandfloodingnorth carolinaswampdroughttributariessalt tolerantcedarcoastal marine ecologywetlandschesapeake baygeorgiapineblue crabsweet gumstumpsapfloridamarinenew yorkdisturbancemarshshorelinestorymapdead treesspartina patenscattus islandsaltwater marshmullica river estuaryecologyseawatergeologyregenerationgroundwaterblackwater national refugemaritime forestcoastal ecologyland conversiondying forestsoilghost foresteastern shoresea level risekeryn gedanprime hook national wildlife refugenew jerseywoodcoastalhurricanesouth carolinageographychanging shorelinesurvey123cordgrassthe george washington universitycoastal educationwildfiresdelaware baydying treesvirginia coast reserveblack needle rushdelawaresalt stressgedan labriverbanktideforestvirginiasawgrasstidal inundationestuary

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

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 & WeatherEducationalgaesandyoceansand crabin oceansteacherssand crabstidepoolstudentsinvertebratessandy beachrockyrocky shoresintertidalrocky intertidalintertidal monitoringmarine

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 & EnvironmentBiologyEducationintertidalseaweedcrab.citizen sciencenew zealandmarineoceanquadratlimpetrocky shorechiton

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 Sciencemarine biologyfield workhorseshoe crabwildlife monitoringmarine

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 & EnvironmentAnimalsshorelineandroiddungenessscavenger huntappinvasive speciesapplemarinepicturemycoastoceanwashingtonbeachbeach walkmonitoringcrabnaturalistoutdoor

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