crab.

within 25 miles

May 19, 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 & WeatherBiologywatersurveymonitoringdunesphenologyecologygeologysandoysterbeachhorseshoe crabduneamerican eelcrabbeachesmusselnew englandnew hampshirewater monitoringcoastalrestorationeelcoastmigrationphenologicalspawningstewardship

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 & EnvironmentBiologyAnimalstrainingfloridasurveyhorseshoe crabbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcoastal educationdead treesvirginia coast reservechanging shorelineecologylow elevationfloodstormsaltwaterregenerationcedarstumpdying forestsalt waterghost forestwooddroughtgedan labsalinerising seassurvey123black needle rushdying treeschesapeake bayshorelinesaltwater marshglobal warmingmaritime forestchanging landscapekilling treessalt water intrusionseawatertree stumpblackwater national refugeswampblue crabspartina patensthe george washington universitytidal inundationmarsh migrationprime hook national wildlife refugegeorgiacoastalsomerset countyghosts of the coasteastern shoreforestwetlandscattus islandsalt tolerantkeryn gedantidemid atlanticsoilsalt stressclimate changemarylandsalt tolerant plantscoastal marine ecologysaltwater marshesgroundwaterbleached treessweet gumsawgrassgeographysaltgeologysea level risewildfiresestuaryvirginialand conversionnorth carolinadelawareriverbanktree deathdisturbancenew yorkmullica river estuarycordgrasscoastal ecologydelmarva peninsulatributariesnew jerseystorymapmarshfloodingeast coasthurricanedelaware baysouth carolinafloridaphragmitespinemarinesap

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 & WeatherEducationsandy beachalgaeoceaninvertebratessand crabintertidalrocky shoresrockyintertidal monitoringsandymarineteacherssand crabsrocky intertidalin oceanstidepoolstudents

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 & EnvironmentBiologyEducationoceanmarinenew zealandquadratlimpetintertidalseaweedcitizen sciencerocky shorechitoncrab.

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 Sciencemarine marinemarine biologywildlife monitoringhorseshoe crab horseshoe crab wildlife monitoringfield work 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 ScienceNature & OutdoorsEcology & EnvironmentAnimalsmonitoringoceanbeach walkcrabpicturenaturalistoutdoorwashingtoninvasive speciesbeachshorelineappleappandroiddungenessmycoastmarinescavenger hunt

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 & EnvironmentBiologyAnimalshorseshoe crabcitizen-based monitoringmonitoringiphonenew yorkcrab.monitorapp

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