crab.

within 25 miles

Jan 16, 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 & WeatherBiologymusselphenologystewardshiphorseshoe crabdunesspawningeelphenologicalbeachesmonitoringmigrationwater monitoringgeologynew englandsandrestorationdunebeachamerican eelcoastwatersurveyoysterecologycoastalnew hampshirecrab

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 crabbeachfloridasurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentecologyforestchanging shorelineghosts of the coastdroughtsalt tolerantregenerationsurvey123keryn gedandelaware bayeast coastdelmarva peninsulacoastalstumppinekilling treesmarylandtree stumpmarsh migrationwetlandsmarshblack needle rushblue crabstorymapsaltwater marshcoastal educationdying forestghost forestchesapeake bayland conversionblackwater national refugenew jerseyclimate changesoilcoastal ecologygeorgiavirginia coast reservemarinesalt watermid atlanticdead treescedarseawaterrising seaschanging landscapefloodingsalt tolerant plantssalt stressdisturbancelow elevationsaltwater marshessea level risesaltfloodtributariesgedan labprime hook national wildlife refugegroundwatermaritime foresttidal inundationphragmitesgeologysweet gumhurricanenorth carolinasomerset countysouth carolinafloridadelawareswampshorelinetree deatheastern shorestormglobal warmingsapcattus islandsalt water intrusionmullica river estuarygeographysaltwaterdying treesvirginiatidesalinenew yorkwoodestuarycordgrassspartina patenscoastal marine ecologyriverbankbleached treessawgrasswildfiresthe george washington university

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 & WeatherEducationintertidal monitoringtidepoolrockyoceansandy beachsand crabin oceansrocky intertidalmarinesand crabssandyintertidalrocky shoresinvertebratesstudentsalgaeteachers

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 & EnvironmentBiologyEducationquadratintertidalrocky shorechitonmarinelimpetcrab.oceannew zealandcitizen scienceseaweed

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 Science horseshoe crab marine wildlife monitoring marine biologyfield workmarinewildlife monitoringhorseshoe crabmarine 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 & EnvironmentAnimalsmarinebeach walkdungenessoceanshorelineandroidoutdoorcrabinvasive speciesnaturalistmonitoringscavenger huntmycoastpictureappbeachwashingtonapple

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 & EnvironmentBiologyAnimalscitizen-based monitoringnew yorkmonitorappmonitoringiphonecrab.horseshoe crab

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