crab.

within 25 miles

Feb 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 & WeatherBiologymigrationnew hampshirespawningbeacheshorseshoe crabdunesandnew englandphenologicalmusselsurveyeelbeachoysteramerican eelrestorationdunesmonitoringecologycoastphenologycrabcoastalwatergeologystewardshipwater monitoring

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 & EnvironmentBiologyAnimalssurveyhorseshoe crabfloridabeachtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcordgrassswampmaritime foreststumpeast coastregenerationdead treesfloridanew yorktidal inundationhurricanecattus islandcedartidedelmarva peninsulaland conversionsaltwater marshdying treessalt stressthe george washington universityecologyeastern shoregroundwatershorelinesalinesalt water intrusionmid atlanticsweet gummarylandbleached treescoastalmarshestuarysea level risemarsh migrationblack needle rushblackwater national refugesouth carolinakilling treeslow elevationnew jerseysaltchesapeake baychanging landscapesalt tolerantcoastal educationgeologyclimate changeghost forestgeographysawgrassspartina patensriverbanksoilvirginia coast reservephragmitespinecoastal ecologytributariesnorth carolinaglobal warmingfloodstormdelaware baytree deathmullica river estuarydroughtforestsalt waterdelawarevirginiacoastal marine ecologysapseawatersomerset countywetlandsghosts of the coastwoodsalt tolerant plantssaltwater marshesmarinesaltwatertree stumpgedan labkeryn gedanstorymapfloodingchanging shorelinesurvey123dying forestblue crabrising seasgeorgiaprime hook national wildlife refugewildfiresdisturbance

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabpicturebeach walk

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 & WeatherEducationintertidal monitoringteachersintertidaltidepoolsand crabrocky intertidalmarinesandy beachstudentsrockyrocky shoressand crabsoceanin oceansinvertebratesalgaesandy

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 & EnvironmentBiologyEducationlimpetseaweedcrab.citizen scienceoceanintertidalquadratmarinenew zealandchitonrocky shore

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 Sciencewildlife monitoringhorseshoe crab horseshoe crab marine biologymarine biologymarinefield work marine wildlife 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 & EnvironmentAnimalsoceancrabmycoastnaturalistpicturebeachinvasive speciesdungenessappscavenger huntwashingtonmarineshorelineandroidbeach walkmonitoringoutdoorapple

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 monitoringmonitoringhorseshoe crabcrab.appiphonemonitornew york

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