crabs

within 25 miles

Apr 11, 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 & WeatherBiologydunedunesamerican eelcrabrestorationmigrationwater monitoringsurveyspawningcoastmusselecologycoastalgeologynew englandeelstewardshiphorseshoe crabbeachesphenologybeachsandwateroysterphenologicalmonitoringnew hampshire

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 & EnvironmentBiologyAnimalsfloridahorseshoe crabbeachtrainingsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmarsh migrationsalt water intrusionmaritime forestblue crabland conversioncoastal marine ecologytidegroundwaterblack needle rushdelaware baycordgrasslow elevationwildfiresseawaterdying forestswampsea level riseshorelinedelmarva peninsulaeast coastfloodspartina patenscattus islandtree deatheastern shoretree stumptributariessomerset countysawgrasscoastal educationghosts of the coastbleached treestidal inundationgeologyestuarydying treeshurricanestumpsapgeographyghost forestvirginia coast reservemullica river estuarysurvey123keryn gedanglobal warmingmarylandsweet gumrising seasdead treesthe george washington universitysaltsalt tolerant plantssouth carolinachanging shorelinepinechesapeake bayfloodingsaltwater marshesdroughtsalt tolerantsaltwater marshstorymapecologywetlandsclimate changemarinenew yorksalt waterphragmitesmid atlanticriverbanknorth carolinasalinesoilforestregenerationvirginiadisturbancemarshfloridacedargedan labprime hook national wildlife refugechanging landscapesaltwaterwoodnew jerseycoastalgeorgiasalt stresscoastal ecologykilling treesblackwater national refugestormdelaware

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture

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 & WeatherEducationrocky intertidaloceanintertidal monitoringintertidalmarinesand crabssand crabstudentsrockytidepoolalgaerocky shoresteacherssandyinvertebratessandy beachin oceans

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 & EnvironmentBiologyEducationquadratcitizen sciencemarinerocky shorelimpetchitonseaweedoceancrab.new zealandintertidal

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 Sciencehorseshoe crabmarinewildlife monitoringmarine biology marine biology horseshoe crabfield work wildlife 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 & EnvironmentAnimalswashingtonpicturebeach walkcrabmycoastandroidshorelineappleappnaturalistinvasive speciesbeachmonitoringmarineoceanscavenger huntdungenessoutdoor

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 & EnvironmentBiologyAnimalsmonitorcrab.apphorseshoe crabiphonecitizen-based monitoringmonitoringnew york

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