crab.

within 25 miles

May 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 & WeatherBiologyeelwaterdunemusselphenologicalrestorationcoastalgeologyamerican eelmonitoringbeachdunescoastsurveycraboysterbeachesphenologystewardshipwater monitoringsandecologynew englandspawninghorseshoe crabnew hampshiremigration

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 & EnvironmentBiologyAnimalsbeachhorseshoe crabsurveytrainingflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenthurricanesalt stressgeologyshorelinecedarvirginiageorgiaeast coastghosts of the coastsurvey123cattus islanddisturbancesomerset countyecologygeographyswamptree stumpclimate changekeryn gedanspartina patensdroughtcoastal ecologywoodstumpstormnew jerseyglobal warminglow elevationriverbanksouth carolinatidal inundationthe george washington universitygedan labprime hook national wildlife refugesaltsalinetree deathmarylandseawatersaltwater marshessoilcoastal educationdead treesmid atlanticvirginia coast reservegroundwaterwetlandsfloridasalt tolerant plantsestuarymullica river estuarycoastalcoastal marine ecologysalt tolerantchesapeake baydying treesmarshmarineblue crabblackwater national refugetributariesblack needle rushsaltwaterstorymapdelmarva peninsulaforestsweet gumsaltwater marsheastern shoredying forestnew yorkbleached treesregenerationchanging landscapefloodcordgrasschanging shorelinesapmaritime foresttidepinedelawaresawgrasssalt waterfloodingdelaware bayphragmitessalt water intrusionnorth carolinasea level riseghost forestkilling treesrising seaswildfiresland conversionmarsh migration

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 & WeatherEducationstudentsalgaeintertidal monitoringrocky intertidalsandyoceansand crabinvertebratestidepoolmarinesandy beachteacherssand crabsin oceansintertidalrockyrocky shores

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.rocky shoreoceanlimpetseaweedmarinecitizen scienceintertidalnew zealandquadratchiton

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 marine biologyfield workmarine biologymarine marinewildlife monitoringhorseshoe crab wildlife monitoring 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 & EnvironmentAnimalsbeachbeach walkcrabappmonitoringoceannaturalistdungenesswashingtonpictureshorelinemarineoutdoorscavenger huntmycoastappleandroidinvasive species

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 & EnvironmentBiologyAnimalsiphonemonitoringappcitizen-based monitoringhorseshoe crabnew yorkmonitorcrab.

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