crab.

within 25 miles

May 3, 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 & WeatherBiologygeologycoastrestorationeelsandnew englandhorseshoe crabbeachdunesspawningmigrationduneecologyamerican eelphenologymusselwaterbeachesoystersurveymonitoringwater monitoringcrabphenologicalstewardshipnew hampshirecoastal

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 crabtrainingsurveyfloridabeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenttideeastern shorevirginiadying treesspartina patensland conversiongedan labcoastal educationsawgrassghosts of the coastsalt tolerant plantsgeorgiakilling treessomerset countyfloodblack needle rushdelmarva peninsulawetlandsstorymapseawatermarylandtidal inundationsoiltributarieschesapeake baysaltwater marshdelaware baysouth carolinaghost foresteast coastforestwoodclimate changecedarkeryn gedanglobal warmingmid atlanticregenerationstormcoastal marine ecologybleached treessalt waterdead treesfloodingsweet gumtree deathsalt water intrusionmarinemaritime forestblackwater national refugeecologygeographynorth carolinaprime hook national wildlife refugegroundwaterdelawarecattus islandgeologycordgrasscoastalsea level riseshorelinesaltmarshsalinesaltwater marshessalt tolerantlow elevationsurvey123droughtphragmitesrising seasnew jerseythe george washington universitytree stumpriverbanknew yorkpinecoastal ecologydisturbancesalt stressmarsh migrationestuarysaltwaterfloridablue crabdying forestswamphurricanemullica river estuarywildfireschanging shorelinestumpvirginia coast reservesapchanging landscape

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 & 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 & WeatherEducationsand crabintertidal monitoringintertidalrockysandyteachersrocky intertidalsandy beachstudentsoceaninvertebratestidepoolalgaesand crabsin oceansmarinerocky 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 & EnvironmentBiologyEducationquadratcrab.marinechitonintertidallimpetoceanseaweedcitizen sciencenew zealandrocky 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 Sciencemarinewildlife monitoring marine biology wildlife monitoringhorseshoe crab horseshoe crab marinefield workmarine 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 ScienceNature & OutdoorsEcology & EnvironmentAnimalsappleappandroidnaturalistscavenger huntmycoastbeach walkmonitoringinvasive specieswashingtonshorelinecrabmarinedungenessoutdoorbeachoceanpicture

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 & EnvironmentBiologyAnimalshorseshoe crabiphonecitizen-based monitoringnew yorkcrab.monitorappmonitoring

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