crab.

within 25 miles

Apr 21, 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 & WeatherBiologycoastmusselsandrestorationphenologicalmonitoringdunecrabspawningnew hampshirewater monitoringeelsurveyecologymigrationstewardshipamerican eelbeachescoastalgeologyphenologynew englandwaterduneshorseshoe crabbeachoyster

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 & EnvironmentBiologyAnimalstrainingbeachfloridahorseshoe crabsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcoastal educationblack needle rushtidedisturbancesurvey123new yorkkeryn gedanmaritime forestsoilmarylandprime hook national wildlife refugeseawatersapestuaryfloridagroundwatersalt tolerant plantsvirginiatree stumpsawgrassblue crabchesapeake bayblackwater national refugesalt toleranteast coastdead treesdroughtdying treesgeorgiasalinechanging landscapewetlandsecologychanging shorelinecedarstormswampgeographyfloodcoastal ecologyeastern shorekilling treeslow elevationghost forestdelmarva peninsulaclimate changesalt stresstributarieswildfiresstorymapspartina patenscoastal marine ecologywoodcoastalcattus islandland conversionpinemullica river estuarydying forestmarinefloodingmarsh migrationghosts of the coastforestnew jerseythe george washington universitydelaware baysaltsalt waterphragmitessalt water intrusionsea level risemarshsomerset countyglobal warmingbleached treesrising seastree deathdelawaresweet gumsaltwater marshregenerationhurricanenorth carolinacordgrassstumpgeologysaltwatersaltwater marshesshorelineriverbankvirginia coast reservemid atlantictidal inundationsouth carolinagedan lab

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 & 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 & WeatherEducationmarinerocky shoressandyrockyin oceansalgaerocky intertidalintertidal monitoringsand crabintertidaloceansandy beachstudentsteacherssand crabstidepoolinvertebrates

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 & EnvironmentBiologyEducationcrab.oceanmarineintertidalcitizen sciencerocky shorelimpetchitonseaweednew zealandquadrat

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 marinemarine biologyfield workmarine wildlife monitoringwildlife monitoring marine biologyhorseshoe 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 & EnvironmentAnimalsapplecrabmonitoringbeachandroidnaturalistpictureinvasive specieswashingtonscavenger huntmarineoceanshorelinemycoastappoutdoorbeach walkdungeness

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 monitoringhorseshoe crabmonitoringcrab.new yorkappiphonemonitor

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