crab.

within 25 miles

Apr 15, 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 & WeatherBiologysandrestorationecologycoastnew hampshirehorseshoe crabmusselnew englandamerican eelmigrationdunesgeologycoastalphenologyoysterspawningwater monitoringmonitoringsurveystewardshipphenologicalwatereelbeachesdunebeachcrab

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 & EnvironmentBiologyAnimalstrainingfloridabeachhorseshoe crabsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentwetlandsseawaterestuarychesapeake baydisturbanceriverbanksaltghosts of the coastfloodingfloridamid atlanticgeographychanging landscapegeorgiavirginia coast reservedelaware baygedan labsaltwater marshsawgrassblue crabthe george washington universitycattus islandhurricanesouth carolinashorelinetree deathdelmarva peninsulastorymapclimate changekilling treeslow elevationswampsalt stressgroundwatersea level risecoastal ecologycordgrasssoilnorth carolinawildfiresstormbleached treesstumpsalt watertributarieskeryn gedansweet gumsalt tolerantvirginiablackwater national refugedroughtwoodtidecoastal marine ecologyrising seasmullica river estuarydead treessomerset countytidal inundationdying forestcoastal educationprime hook national wildlife refugespartina patensmarylandsaltwaterdelawaregeologyeastern shoremarsh migrationmarineghost forestsaltwater marshescedareast coastland conversionnew yorkfloodchanging shorelinesapmaritime forestsalt tolerant plantssalineregenerationphragmitessurvey123ecologypineglobal warmingblack needle rushnew jerseydying treesmarshsalt water intrusioncoastaltree stumpforest

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 & WeatherEducationrocky intertidalsand crabtidepoolrockymarinesandy beachin oceansoceanalgaeintertidal monitoringstudentssandyrocky shoresintertidalinvertebratessand crabsteachers

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 & EnvironmentBiologyEducationrocky shoreseaweedmarinelimpetquadratoceancitizen scienceintertidalchitoncrab.new zealand

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 marine biologywildlife monitoring marinemarine biology horseshoe crab wildlife monitoringfield workhorseshoe 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 & EnvironmentAnimalsinvasive speciesmonitoringappdungenessapplepicturebeachnaturalistshorelinecrabwashingtonoceanmarinescavenger huntoutdoorbeach walkandroidmycoast

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 crabiphonecrab.appmonitoringcitizen-based monitoringnew yorkmonitor

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