crab.

within 25 miles

Oct 8, 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 & WeatherBiologyecologybeachspawningsurveydunesandmigrationcoastalstewardshipamerican eelwater monitoringgeologyeelbeachesnew englandmusselphenologicalphenologywateroysterrestorationhorseshoe crabnew hampshirecrabmonitoringdunescoast

PEBL CIC (Plant Ecology Beyond Land)

FishSpotter

Identify UK marine species on seaweed and shellfish farm seabeds

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsspecies identificationfishunited kingdommarine

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 & Environmentsapdroughttree stumpspartina patenslow elevationstorymapgeorgiablack needle rushmarshsouth carolinaphragmitessalt stressgeographywoodchanging shorelinetidal inundationland conversionfloodinggedan labwildfiresghost forestsweet gumkilling treessomerset countychesapeake bayriverbankbleached treesblackwater national refugethe george washington universitydelawaresoilcoastalforestfloodcattus islandcedarmid atlanticeast coastdelmarva peninsulasalt waterghosts of the coastecologyregenerationpinedisturbancevirginia coast reservesalt water intrusionsea level risecoastal ecologycordgrassgeologytidemarsh migrationnew yorkvirginiasaltseawaterrising seasmullica river estuarystumpsalinesaltwater marshessalt tolerant plantschanging landscapecoastal educationglobal warmingsaltwater marshmaritime forestclimate changehurricanemarylandstormkeryn gedanswampprime hook national wildlife refugesawgrassblue crabsaltwaterwetlandsnew jerseysurvey123dead treestributariesestuarydelaware baytree deathdying forestmarinegroundwatereastern shoresalt tolerantfloridadying treesnorth carolinacoastal marine ecologyshoreline

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 & 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 & WeatherEducationinvertebratesrockyoceanalgaestudentsteachersrocky intertidalsand crabsandysand crabstidepoolmarinesandy beachintertidal monitoringin oceansrocky shoresintertidal

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 & EnvironmentBiologyEducationchitonoceanquadratcitizen sciencemarinerocky shorelimpetseaweedcrab.new zealandintertidal

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 Sciencehorseshoe crabwildlife monitoringfield workmarine biologymarine

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 & EnvironmentAnimalsappdungenessshorelinemarinewashingtonmonitoringpictureandroidbeachscavenger huntmycoastoceanbeach walkcrabapplenaturalistoutdoorinvasive species

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