crab.

within 25 miles

Oct 2, 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 & WeatherBiologynew hampshireeelwater monitoringcrabcoastwaterstewardshipmusselcoastaloystermigrationsurveysanddunesnew englandbeachrestorationphenologygeologybeachesecologyduneamerican eelspawningmonitoringphenologicalhorseshoe crab

PEBL CIC (Plant Ecology Beyond Land)

FishSpotter

Identify UK marine species on seaweed and shellfish farm seabeds

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsspecies identificationmarineunited kingdomfish

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 & EnvironmentBiologyAnimalssurveytrainingbeachfloridahorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentspartina patensfloodcordgrasssweet gumsalt tolerantdying treessaltwaterseawaterchanging landscapewoodchanging shorelinedead treesdisturbanceblack needle rushmarsh migrationglobal warmingtributariessalt waterstorymapland conversionwildfiresdroughtlow elevationcattus islandblackwater national refugecoastal marine ecologysaltwater marshghost forestvirginiaecologytree deathriverbankclimate changerising seasgeorgiageologypinestormsapsalt stresssalinefloridakilling treessalt tolerant plantscoastaleast coastforesthurricanephragmitestree stumpregenerationdelawaretidal inundationfloodingsurvey123new jerseysouth carolinagroundwatermaritime forestbleached treesdying forestchesapeake baycedarmarshblue crabnew yorkestuarynorth carolinadelaware baywetlandsvirginia coast reservedelmarva peninsulaprime hook national wildlife refugesomerset countystumpswampeastern shoresea level riseshorelinecoastal educationsaltgedan labsoilmullica river estuarysawgrasssaltwater marshesghosts of the coastsalt water intrusiongeographytidekeryn gedancoastal ecologythe george washington universitymarinemarylandmid atlantic

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 & WeatherEducationstudentsin oceansrocky shoressandyrockyintertidal monitoringinvertebratessand crabalgaesand crabstidepoolrocky intertidalmarineoceanteachersintertidalsandy beach

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 & EnvironmentBiologyEducationmarinerocky shoreoceanquadratcrab.limpetseaweedcitizen sciencenew zealandchitonintertidal

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 biologyhorseshoe crabwildlife monitoringfield 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 & EnvironmentAnimalspictureoutdoorappapplebeachoceanandroidshorelinescavenger huntinvasive speciesmarinebeach walkdungenesscrabwashingtonnaturalistmycoastmonitoring

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