crab.

within 25 miles

Apr 6, 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 & WeatherBiologybeachesgeologybeacheelmonitoringamerican eeldunesecologynew hampshirenew englandoysterdunemigrationhorseshoe crabwater monitoringphenologysurveystewardshipwaterspawningphenologicalsandrestorationcrabmusselcoastalcoast

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 & EnvironmentBiologyAnimalssurveybeachhorseshoe crabtrainingflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmullica river estuarysaltwatergeorgiakilling treeshurricanecordgrassstorymapcattus islandsalinefloodstormchanging shorelineseawatersalt water intrusiondelaware bayfloridakeryn gedanchesapeake baycoastal ecologysomerset countymarinedying forestthe george washington universityblack needle rushsawgrassdroughttree stumpblue crabdelmarva peninsulariverbankvirginiadelawarerising seassapsaltwater marshessalt watercedargeographysurvey123swampeast coastgeologywoodwildfireswetlandssalt tolerantdying treesmarylandcoastal educationphragmitessweet gummaritime forestgroundwaternorth carolinagedan labbleached treeschanging landscapeghost forestshorelinesouth carolinatree deathland conversionnew jerseymarshnew yorkcoastal marine ecologysalt stressmid atlanticsea level risetidal inundationglobal warmingestuaryghosts of the coastsaltwater marshfloodingprime hook national wildlife refugetidepinetributariesforestblackwater national refugemarsh migrationstumpsaltsalt tolerant plantseastern shoreclimate changesoillow elevationcoastaldead treesregenerationdisturbanceecologyspartina patensvirginia coast reserve

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 & 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 & WeatherEducationinvertebratessandy beachintertidalstudentsintertidal monitoringin oceansteachersrockymarinealgaetidepooloceansand crabsandyrocky intertidalrocky shoressand 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 & EnvironmentBiologyEducationseaweedlimpetrocky shorecrab.intertidalcitizen scienceoceannew zealandquadratchitonmarine

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 wildlife monitoringhorseshoe crab marine biologymarine horseshoe crabwildlife monitoringmarine biologyfield work marine

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 & EnvironmentAnimalsscavenger huntcrabandroidmycoastmarineshorelineoceanpicturebeachdungenesswashingtoninvasive speciesnaturalistappleoutdoorbeach walkappmonitoring

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 monitoringapphorseshoe crabmonitornew yorkiphonemonitoring

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