crab.

within 25 miles

Mar 28, 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 & WeatherBiologysurveymonitoringecologyhorseshoe crabnew hampshiremusselwater monitoringoystercoastalphenologyspawningsandbeachesmigrationgeologyrestorationcoaststewardshipdunesdunebeachamerican eelphenologicalcrabwatereelnew 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 & EnvironmentBiologyAnimalsbeachfloridasurveyhorseshoe crabtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentvirginia coast reserveseawatercoastal ecologysweet gumregenerationchanging shorelinesalt water intrusionclimate changemullica river estuaryspartina patenstree stumpland conversionmaritime forestforesttidal inundationtributariesthe george washington universitysapmarsh migrationrising seassalt stressgeographychanging landscapefloridafloodfloodingwooddisturbancedying treeseastern shorecoastaldelaware baynew jerseyvirginialow elevationsalt tolerantblack needle rushchesapeake baysouth carolinaghost forestshorelinekeryn gedanwetlandspinesalinegroundwaterstorymapdroughtsomerset countytideeast coastprime hook national wildlife refugemid atlanticsalt watercedarmarylandblue crabcordgrassbleached treesstumpphragmitesdying forestsaltwatergeologycoastal marine ecologysalt tolerant plantsswampsawgrassdelmarva peninsulatree deathghosts of the coastblackwater national refugehurricanegedan labcoastal educationgeorgiacattus islandnorth carolinaecologynew yorkglobal warmingriverbankestuarymarshmarinesaltwater marsheskilling treessoildead treesdelawaresurvey123saltwater marshsea level risewildfiressaltstorm

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 & WeatherEducationinvertebratessand crabrocky shoresrockyintertidal monitoringin oceanssand crabsstudentsrocky intertidaloceanalgaeintertidalsandy beachtidepoolsandyteachersmarine

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 & EnvironmentBiologyEducationintertidalquadratcitizen sciencerocky shorechitoncrab.seaweednew zealandoceanlimpetmarine

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 marinemarine horseshoe crab marine biologyhorseshoe crab wildlife monitoringwildlife monitoringmarine biologyfield work

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 & EnvironmentAnimalsmonitoringoceanappnaturalistscavenger huntandroidmarineapplemycoastcrabinvasive specieswashingtonpictureoutdoordungenessbeachshorelinebeach walk

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 & EnvironmentBiologyAnimalsnew yorkmonitoringhorseshoe crabcrab.iphonecitizen-based monitoringappmonitor

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