crab.

within 25 miles

Jul 27, 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 & WeatherBiologybeachesecologycoastalphenologicalamerican eelcraboysterrestorationhorseshoe crabwater monitoringeelgeologysurveyspawningbeachcoastphenologywatermonitoringnew hampshiremigrationmusseldunedunesstewardshipsandnew england

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 & Environmentmarinecoastal ecologycedarkilling treesblue crabstorymapgeologytiderising seasblack needle rushsaltnew yorkwoodcoastal marine ecologysawgrasssaltwater marshhurricanestormpinetributariesspartina patensbleached treessaltwaternew jerseythe george washington universitytree stumpsalinecoastal educationtidal inundationsoilfloodmid atlanticwildfiressweet gumforestchanging shorelineclimate changephragmitesprime hook national wildlife refugeestuarysurvey123salt water intrusiondelaware bayblackwater national refugestumpsapvirginiadying forestswampghost forestmarshmarsh migrationghosts of the coastdisturbancefloridagedan labdead treesdying treesfloodinggeorgiasalt stressgeographychesapeake baymaritime forestchanging landscapesalt toleranteastern shoreshorelinesalt tolerant plantssomerset countygroundwatersalt watercattus islandlow elevationriverbanksea level riseglobal warmingseawaterdroughtsaltwater marshescordgrasskeryn gedanmarylandwetlandscoastalecologyregenerationeast coastdelmarva peninsuladelawarevirginia coast reservesouth carolinanorth carolinaland conversionmullica river estuarytree death

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 & WeatherEducationoceanrocky shoresinvertebratesrocky intertidalstudentsin oceansintertidal monitoringsandy beachtidepoolsand crabintertidalsandyalgaeteachersmarinesand crabsrocky

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 sciencemarinerocky shorechitonseaweedoceanquadratlimpetintertidalnew zealand

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 monitoring marinehorseshoe crabfield workwildlife monitoringmarine biology marine biologymarine horseshoe 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 & EnvironmentAnimalswashingtoninvasive speciesshorelinemarineappnaturalistbeachoutdoorapplebeach walkandroiddungenessscavenger huntmycoastoceanpicturecrabmonitoring

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 crabmonitornew yorkmonitoringiphonecrab.app

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