crab

within 25 miles

Oct 5, 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 & WeatherBiologyamerican eelbeachesphenologicalsandeelcoastalnew hampshiregeologyspawningmusselhorseshoe crabdunescrabstewardshipduneecologymigrationwater monitoringbeachnew englandoystersurveyphenologycoastrestorationwatermonitoring

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 & EnvironmentBiologyAnimalshorseshoe crabtrainingfloridabeachsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenttributariesgedan labtidesawgrasspinedroughtvirginiashorelinethe george washington universityregenerationnorth carolinaeastern shoregroundwatersalt tolerant plantseast coastsalt tolerantdelawareblackwater national refugeprime hook national wildlife refugeclimate changeghost forestmarylandchanging shorelinehurricanecoastal ecologyvirginia coast reserveland conversionsalt watermarinekilling treeswildfirescoastal marine ecologysomerset countysalt stressstorymapsalt water intrusiongeologyseawatermarsh migrationchanging landscapeblue crabdead treeschesapeake baydying forestdisturbancefloodingstumpnew jerseyforestlow elevationphragmitessalinesoilmarshswampblack needle rushdelmarva peninsulamaritime forestspartina patenskeryn gedanbleached treestree deathsaltwaterecologysouth carolinacattus islandsweet gumriverbankgeographynew yorkwetlandsstormmullica river estuarytidal inundationcoastal educationwoodcoastalrising seassurvey123floridafloodsapghosts of the coastsea level risesaltwater marshdying treesgeorgiatree stumpsaltcordgrassglobal warmingmid atlanticsaltwater marshescedardelaware bayestuary

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 & 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 & WeatherEducationsand crabalgaesandyintertidalsandy beachteachersintertidal monitoringinvertebratesstudentsin oceansrocky shoressand crabsrockytidepoolrocky intertidalmarineocean

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 & EnvironmentBiologyEducationseaweedintertidalchitonrocky shoremarinecrab.quadratlimpetoceannew zealandcitizen 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 Sciencemarinemarine biologywildlife monitoringfield workhorseshoe crab

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 & EnvironmentAnimalscrabmycoastdungenessoutdoorbeachandroidbeach walkappnaturalistappleinvasive specieswashingtonshorelinemonitoringscavenger huntpicturemarineocean

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