crab.

within 25 miles

Jan 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 & WeatherBiologywater monitoringgeologywatermusselbeachdunesphenologysurveycrabstewardshiprestorationcoastbeacheseelhorseshoe crabmigrationcoastalmonitoringnew hampshireoystersandnew englanddunephenologicalamerican eelspawningecology

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 & EnvironmentBiologyAnimalstrainingbeachfloridahorseshoe crabsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt tolerantsweet gumchesapeake baygroundwaterdelmarva peninsulacoastalghosts of the coastregenerationsawgrassnew yorkmid atlanticecologyfloodspartina patensforestclimate changeblack needle rushsurvey123cedarthe george washington universitydelaware baymullica river estuarysalt stressdying forestmarinemarshgedan labkilling treeschanging shorelinemarylandcordgrasstidal inundationestuaryphragmitesland conversiongeorgiashorelinedroughtgeographylow elevationtree deathhurricaneprime hook national wildlife refugebleached treessoilstormblackwater national refugetributarieswildfiressaltwatercoastal educationsalt water intrusionsalt watermaritime forestsaltwater marshestree stumpcoastal ecologyghost forestvirginiasomerset countyeast coastrising seaschanging landscapesalt tolerant plantsstumpriverbankdelawarestorymapsaltwater marshdisturbancefloodingsapswamptidemarsh migrationcoastal marine ecologydying treesblue crabnorth carolinaeastern shoresalinewoodkeryn gedansaltglobal warmingseawaternew jerseyvirginia coast reservepinesouth carolinacattus islandgeologysea level risefloridawetlandsdead trees

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach 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 & WeatherEducationtidepoolsandyintertidal monitoringmarineoceansandy beachteacherssand crabin oceansrocky shoressand crabsalgaeintertidalinvertebratesrockystudentsrocky intertidal

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 & EnvironmentBiologyEducationcitizen sciencequadratlimpetintertidaloceannew zealandmarinecrab.rocky shorechitonseaweed

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 crabfield work marine biology horseshoe crab wildlife monitoringmarine biologywildlife monitoring 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 huntandroidoceanpicturebeachappinvasive speciesshorelineapplemarinemonitoringbeach walknaturalistoutdoordungenesscrabwashingtonmycoast

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.horseshoe crabmonitorcitizen-based monitoringmonitoringnew yorkappiphone

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