crab.

within 25 miles

Dec 27, 2025

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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 & WeatherBiologyhorseshoe crabamerican eelnew hampshirewater monitoringmusselduneecologycoastalrestorationeelbeachesmonitoringwateroysterdunesphenologystewardshipnew englandsandcrabcoastmigrationgeologyspawningphenologicalbeachsurvey

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 & EnvironmentBiologyAnimalssurveybeachfloridatraininghorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentseawaterriverbanktidal inundationgeorgiastumpsapmarinedying forestlow elevationpinemarsh migrationregenerationghost forestphragmitesdelawarecedarmid atlanticrising seasprime hook national wildlife refugetree deathecologyestuarygeographysalt stressswampeastern shoremarylandclimate changesaltwater marshesgedan labspartina patenssaltwater marshtidehurricanetree stumpdelaware bayshorelinegeologycoastal ecologyfloodcoastaldisturbanceblue crabcattus islanddelmarva peninsuladead treesdroughtsomerset countysawgrasssalt tolerant plantssaltwatersalt watermaritime forestfloridacordgrasssurvey123blackwater national refugechanging shorelinevirginia coast reserveland conversionglobal warmingchanging landscapestorymapnorth carolinableached treesstormgroundwatersweet gumkilling treesblack needle rushsalt tolerantfloodingkeryn gedannew jerseyeast coastwoodcoastal marine ecologysea level risesaltwetlandschesapeake baysalt water intrusionforestmullica river estuarytributarieswildfiresmarshsouth carolinadying treessalinenew yorkcoastal educationvirginiaghosts of the coastthe george washington universitysoil

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturebeach walkhorseshoe 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 & WeatherEducationsand craboceansandy beachintertidal monitoringstudentsrocky intertidalin oceansintertidalalgaeteacherstidepoolrockyrocky shoresinvertebratessand crabsmarinesandy

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 & EnvironmentBiologyEducationrocky shorequadratseaweedcitizen scienceoceanintertidallimpetnew zealandmarinecrab.chiton

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 Sciencehorseshoe crab marinemarine biology horseshoe crab wildlife monitoringfield workwildlife monitoringmarine marine 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsoceancrabshorelinewashingtonappscavenger huntapplenaturalistinvasive speciesandroiddungenessbeachmarineoutdoorbeach walkpicturemonitoringmycoast

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 & EnvironmentBiologyAnimalsiphonecitizen-based monitoringmonitorappcrab.new yorkhorseshoe crabmonitoring

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