crab.

within 25 miles

Apr 4, 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 & WeatherBiologyoysterdunemusselsurveyeelamerican eelcrabrestorationmonitoringduneswaterphenologicalecologysandphenologyspawningcoaststewardshipnew hampshiremigrationnew englandbeacheswater monitoringgeologycoastalhorseshoe crabbeach

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 & EnvironmentBiologyAnimalssurveyhorseshoe crabfloridatrainingbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentstorymapmullica river estuaryland conversionswampthe george washington universitysalt tolerantfloodingcoastal ecologymarylandlow elevationwoodclimate changesea level risecordgrasswildfirescoastal marine ecologyfloodmarshsomerset countysaltpinephragmitesdelaware baytree stumprising seasgeologywetlandsnew jerseysurvey123north carolinaestuaryecologymaritime forestdroughtsawgrasschanging shorelineghosts of the coastsalt tolerant plantscattus islanddelmarva peninsulaseawaterregenerationtributariesdisturbancevirginiasoilmarinegeographytidesapforeststumpbleached treesfloridaghost forestgedan labkeryn gedandelawareeastern shorehurricanespartina patenssalineblack needle rushprime hook national wildlife refugechanging landscapesaltwater marshesdying forestcoastal educationriverbankshorelinevirginia coast reservekilling treessaltwater marshsaltwaterdead treesgroundwatersouth carolinamarsh migrationsweet gumstormsalt stressblue crabcoastaldying treesnew yorkcedareast coastglobal warmingmid atlantictree deathtidal inundationblackwater national refugesalt watersalt water intrusiongeorgiachesapeake bay

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 & 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 & WeatherEducationsand crabsrocky shoresintertidaltidepoolsandy beachoceanstudentsmarinerocky intertidalalgaeteachersinvertebratessandyrockysand crabin oceansintertidal monitoring

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 & EnvironmentBiologyEducationintertidalcitizen sciencechitonnew zealandoceanmarinelimpetcrab.quadratrocky shoreseaweed

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 biologywildlife monitoringmarine marinefield workhorseshoe crab marine biology wildlife monitoring 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 ScienceNature & OutdoorsEcology & EnvironmentAnimalsshorelinecrabapppicturemarinebeachmonitoringscavenger huntinvasive speciesoceandungenessandroidmycoastnaturalistwashingtonappleoutdoorbeach walk

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 & EnvironmentBiologyAnimalsnew yorkcrab.citizen-based monitoringmonitorapphorseshoe crabmonitoringiphone

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