crab.

within 25 miles

Nov 27, 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 & WeatherBiologyecologybeachesoysterdunesstewardshipphenologicalhorseshoe crabsandnew hampshirenew englandmigrationwater monitoringeelwatercoastalgeologymusselmonitoringrestorationbeachcoastcrabphenologydunespawningamerican eelsurvey

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 & EnvironmentBiologyAnimalstrainingbeachfloridasurveyhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentlow elevationspartina patensseawatersurvey123tree deathsouth carolinanew yorktidal inundationeast coastsea level risecordgrassmid atlanticdelawarewoodsawgrassghosts of the coastsalt waterdying forestdelmarva peninsulakilling treesdroughtdying treesshorelinetributariesphragmitessalinesaltwater marshmarineland conversionriverbankcoastal ecologygedan labblackwater national refugecoastal educationfloodingchanging landscapegroundwaterglobal warmingblack needle rushvirginiasalt tolerantbleached treesstumpsalt stresspinehurricanefloodsomerset countyregenerationgeographymarsh migrationsweet gumcoastal marine ecologycedardead treesforestecologychesapeake baytidedisturbancemullica river estuarynorth carolinaeastern shoretree stumpsalt water intrusioncattus islandvirginia coast reservesaltgeorgiaswampfloridakeryn gedancoastalghost forestrising seasthe george washington universityblue crabdelaware baywetlandsprime hook national wildlife refugestormstorymapestuarymarshsalt tolerant plantsnew jerseysaltwater marsheswildfiresgeologyclimate changechanging shorelinesoilsaltwatermaritime forestmarylandsap

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture

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 & WeatherEducationsandy beachsand crabsandyrocky intertidalstudentstidepoolrocky shoresalgaein oceansteachersinvertebratesmarineoceanrockyintertidal monitoringsand crabsintertidal

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 & EnvironmentBiologyEducationcitizen sciencechitonseaweedoceanmarinecrab.quadratlimpetnew zealandrocky shoreintertidal

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 Sciencefield work marine horseshoe crabhorseshoe crabmarine biologymarine marine biologywildlife monitoring wildlife monitoring

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 & Outdoorsmonitoringdungenessappleinvasive speciesshorelinebeachandroidmycoastcrabwashingtonoutdoorappnaturalistmarineoceanpicturebeach walkscavenger hunt

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.monitorhorseshoe crabmonitoringcitizen-based monitoringnew yorkiphoneapp

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