crab.

within 25 miles

Mar 17, 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 & WeatherBiologydunephenologybeachcrabnew hampshirecoastaleeloysterwaterrestorationmusselnew englandmigrationdunesspawningecologyamerican eelcoastphenologicalmonitoringhorseshoe crabgeologystewardshipwater monitoringsurveysandbeaches

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 & EnvironmentBiologyAnimalssurveybeachfloridahorseshoe crabtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentgeologythe george washington universitydelawaretree deathsalt tolerantsalt water intrusionland conversionglobal warmingregenerationsalt tolerant plantscoastalcoastal ecologyseawaterswampmarinevirginiadelmarva peninsulanorth carolinaphragmitessapmarylandhurricanetributariescoastal educationsurvey123climate changeghosts of the coastsaltwater marshesstormtree stumpbleached treesfloodingkeryn gedandelaware baydroughtsaltwater marshpineblue crabvirginia coast reserverising seasforestmid atlanticsaltmarshgeorgiatidechanging landscapestorymapgeographyprime hook national wildlife refugesalt stressfloodwildfireseast coastsoilcoastal marine ecologywetlandsstumpmaritime forestspartina patenssweet gumsea level risemullica river estuaryfloridanew yorkeastern shorechanging shorelinesaltwaternew jerseyblack needle rushblackwater national refugesomerset countycedarriverbanksalinesawgrasscordgrasstidal inundationsalt watergedan labgroundwaterghost forestkilling treesdead treesecologydying treescattus islandlow elevationdisturbancemarsh migrationdying forestshorelinechesapeake bayestuarysouth carolinawood

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 & WeatherEducationin oceansintertidal monitoringrocky intertidalsand crabteachersalgaerockymarinetidepoolstudentsrocky shoressandyinvertebratesoceansandy beachintertidalsand crabs

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 & EnvironmentBiologyEducationnew zealandrocky shoremarineseaweedchitonintertidaloceanlimpetcrab.citizen sciencequadrat

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 Sciencemarinehorseshoe crab horseshoe crab wildlife monitoringmarine biologyfield work marine marine biologywildlife monitoring

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 & EnvironmentAnimalspictureoceandungenessmonitoringmarinebeach walkbeachandroidappshorelinenaturalistmycoastoutdoorinvasive speciesapplecrabwashingtonscavenger hunt

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 & EnvironmentBiologyAnimalscrab.citizen-based monitoringhorseshoe crabmonitoriphoneappmonitoringnew york

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