crab.

within 25 miles

Jun 8, 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 & WeatherBiologymusselspawningcrabdunesnew englandhorseshoe crabamerican eelnew hampshirecoastwaterecologywater monitoringbeachesdunesurveybeachoysterphenologyeelphenologicalcoastalstewardshipmigrationmonitoringsandrestorationgeology

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 & EnvironmentBiologyAnimalstrainingsurveybeachfloridahorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentdead treeseastern shoredying forestcattus islanddisturbanceghost forestblue crabcoastal educationgroundwaterecologytree deathdelaware baystormsaltwater marshriverbankcedarswampsawgrassforestphragmitesmaritime forestwoodsalt toleranttributariesmarshgeographysea level riseestuarymullica river estuarylow elevationprime hook national wildlife refugesomerset countytidesaltwater marshesfloridacoastal ecologymarinehurricanenorth carolinasalt water intrusionland conversionwildfiressouth carolinableached treeskilling treesdroughttidal inundationdelawaregeologyvirginiaseawaterfloodtree stumpclimate changeregenerationgedan labsalt tolerant plantschesapeake baysweet gumblack needle rushsaltwaterglobal warmingcoastal marine ecologysoilmarylandnew jerseythe george washington universitycoastaldying treesstorymapghosts of the coastnew yorksurvey123virginia coast reserverising seasstumpspartina patensgeorgiamarsh migrationcordgrasssaltsalt stresschanging landscapewetlandseast coastkeryn gedandelmarva peninsulasalineshorelinepinesalt waterchanging shorelinefloodingmid atlanticblackwater national refugesap

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

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 & WeatherEducationalgaein oceansintertidalrockyintertidal monitoringrocky shoressandysand crabsinvertebratessandy beachstudentsmarinerocky intertidalteacherssand crabtidepoolocean

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.citizen sciencequadratnew zealandrocky shoreseaweedlimpetoceanintertidalmarinechiton

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 biology marine wildlife monitoring horseshoe crabwildlife monitoringmarinemarine 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 & EnvironmentAnimalsappshorelinebeachscavenger huntcrabinvasive specieswashingtonapplemycoastmarinebeach walkmonitoringpictureoceanandroiddungenessoutdoornaturalist

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 & EnvironmentBiologyAnimalsnew yorkapphorseshoe crabmonitormonitoringcitizen-based monitoringiphonecrab.

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