crab.

within 25 miles

Feb 28, 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 & WeatherBiologydunesmusselmonitoringecologyhorseshoe crabcoastwater monitoringcoastalbeachphenologicalsandrestorationnew hampshiremigrationoystergeologydunewatersurveyeelstewardshipamerican eelnew englandcrabspawningbeachesphenology

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 crabsurveytrainingbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentvirginia coast reservesoilblue crabtributariesmid atlanticsaltwaterghosts of the coastmarshriverbankstumpglobal warminggedan labmaritime forestsurvey123south carolinachanging landscapegeographymarsh migrationblack needle rushblackwater national refugewoodcoastalghost foresthurricanewetlandsseawaterfloridacattus islandland conversiongroundwatermarylandsalt stresschanging shorelinecoastal marine ecologyshorelineeast coasttidesalt tolerantchesapeake baydying treestidal inundationsaltsalt waterdying forestestuarypinenew yorkcedarmarinedelaware bayecologysaltwater marsheseastern shorecordgrasssalinephragmitesdroughtspartina patensdelmarva peninsulatree deathsaltwater marshswampcoastal ecologylow elevationfloodrising seasclimate changesapsalt water intrusionbleached treesforestcoastal educationkeryn gedanfloodinggeorgiasalt tolerant plantskilling treesnorth carolinawildfiresstorymapsea level risethe george washington universityvirginiatree stumpnew jerseysawgrassregenerationdisturbancestormdelawaregeologydead treesprime hook national wildlife refugesweet gummullica river estuarysomerset county

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 & WeatherEducationsand crabstudentsintertidal monitoringalgaeteachersrocky intertidalsandy beachsand crabsoceaninvertebratessandyrockyintertidalin oceanstidepoolmarinerocky shores

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 & EnvironmentBiologyEducationchitonrocky shorelimpetintertidalmarinequadratseaweedoceancitizen sciencenew zealandcrab.

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 Sciencemarinewildlife monitoring wildlife monitoringfield workmarine biology marine biology horseshoe crab marinehorseshoe 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 & EnvironmentAnimalsbeach walkbeachwashingtonmonitoringappdungenessmycoastoceanpictureappleinvasive speciesmarinescavenger huntshorelineandroidnaturalistoutdoorcrab

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 & EnvironmentBiologyAnimalsappcrab.iphonehorseshoe crabmonitormonitoringcitizen-based monitoringnew york

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