crab.

within 25 miles

Dec 14, 2025

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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 & WeatherBiologycoastaldunewaterphenologicalnew hampshiresurveyecologybeachmonitoringspawningnew englandduneshorseshoe crabcrabmusselstewardshiprestorationeelcoastamerican eeloysterphenologybeachesmigrationwater monitoringgeologysand

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 crabfloridabeachsurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmarsh migrationstorymapblackwater national refugecoastal educationghosts of the coaststormdelmarva peninsularising seasdisturbancemarshnorth carolinawoodmarinephragmitessalt watercattus islandclimate changehurricanewetlandssouth carolinasalt stressgroundwatersalinedying treesnew jerseysawgrassdelawarevirginiacedargedan labtributariesgeographyprime hook national wildlife refugecordgrasschesapeake baydroughtsaltgeologynew yorkland conversionbleached treesdead treeschanging shorelineregenerationdelaware baytidemid atlanticcoastallow elevationeast coastsweet gumsea level riseforestgeorgiasaptree deathdying forestsalt tolerant plantskilling treesswampfloodingsurvey123saltwatertree stumppinevirginia coast reservesaltwater marshesghost forestseawaterfloodmarylandblue crabriverbankshorelinesalt tolerantsoilfloridasaltwater marshthe george washington universitysomerset countytidal inundationchanging landscapeeastern shoremaritime forestcoastal ecologywildfiresstumpmullica river estuarykeryn gedanspartina patensglobal warmingcoastal marine ecologyecologyestuarysalt water intrusionblack needle rush

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach 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 & WeatherEducationinvertebratesin oceansintertidalmarinerocky intertidalteachersrockysandysand crabsrocky shorestidepooloceanintertidal monitoringalgaestudentssandy beachsand crab

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 & EnvironmentBiologyEducationoceanmarinelimpetintertidalcitizen sciencequadratcrab.new zealandchitonseaweedrocky shore

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 Science marinemarine biologyhorseshoe crabmarine horseshoe crabwildlife monitoring wildlife monitoringfield work marine biology

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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsshorelineappcrabpicturenaturalistdungenessmycoastinvasive speciesmonitoringmarineoceanbeach walkoutdoorandroidwashingtonscavenger huntapplebeach

Cornell University Cooperative Extension of Suffolk County

New York Horseshoe Crab Monitoring Network

Promote conservation of horseshoe crabs in NY State.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsEcology & EnvironmentBiologyAnimalsmonitorcitizen-based monitoringappcrab.monitoringnew yorkiphonehorseshoe crab

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