crab.

within 25 miles

Dec 1, 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 & WeatherBiologygeologysurveycoaststewardshipspawningmusseloysterwatereelnew englandamerican eelbeachescoastalbeachdunesrestorationmigrationcrabwater monitoringmonitoringsandecologyphenologydunehorseshoe crabnew hampshirephenological

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 crabsurveybeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentswampwildfiresgeorgiasapdelmarva peninsulamarinedying treesdelaware baysalt stressnew yorkestuarytidedisturbancehurricanesawgrassblackwater national refugecedarmarsh migrationsaltwater marshmaritime forestblack needle rushdelawaresalt water intrusioncattus islandwetlandstidal inundationmid atlanticsalt tolerantsalinelow elevationkilling treeschesapeake baysaltwater marshesdroughtvirginiachanging landscapeghosts of the coastbleached treessoilvirginia coast reservefloodmarylandclimate changestorymapmarshregenerationsouth carolinacordgrasscoastal ecologyglobal warmingshorelinephragmitescoastal educationsweet gumsalttree stumpblue crabseawaterecologygeologysalt tolerant plantsgedan labghost forestwoodsea level risecoastal marine ecologygeographyeastern shorespartina patensforestthe george washington universitydead treesfloodingsomerset countydying forestriverbankland conversionrising seastributariesprime hook national wildlife refugecoastalkeryn gedangroundwaterpinenew jerseynorth carolinatree deathmullica river estuarystumpfloridasalt watersaltwatereast coaststormsurvey123changing shoreline

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 & 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 & WeatherEducationstudentsintertidal monitoringoceansandyrocky intertidalintertidalsand crabsrockytidepoolin oceansmarineteachersalgaerocky shoressandy beachsand crabinvertebrates

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 & EnvironmentBiologyEducationoceanseaweedmarinerocky shoreintertidalnew zealandchitonlimpetquadratcrab.citizen 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 Sciencemarinefield workhorseshoe crab marine biology wildlife monitoring marinewildlife monitoringmarine biology horseshoe 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsoceanoutdoorappledungenesswashingtoninvasive speciesshorelinescavenger huntmonitoringbeachbeach walkmycoastmarinepicturecrabnaturalistappandroid

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 & EnvironmentBiologyAnimalscrab.appmonitoringiphonemonitornew yorkcitizen-based monitoringhorseshoe crab

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