crab.

within 25 miles

Feb 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 & WeatherBiologycrabbeachbeachesgeologyecologymusselsurveyamerican eeloysterspawningsandcoastmonitoringstewardshipdunewaterphenologicalrestorationhorseshoe crabphenologymigrationwater monitoringdunesnew englandnew hampshireeelcoastal

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 & Environmentfloodingcoastal educationflooddelawaresaltdead treessalt water intrusionthe george washington universitysouth carolinaglobal warmingsaltwater marshesmarshwildfiresdelaware baytree deathsomerset countykilling treesstorymapgedan labdelmarva peninsulawetlandssalt waternew yorkforestghost forestcattus islandeast coastmaritime forestblackwater national refugevirginia coast reserveestuarydying treeschanging landscapecordgrassmullica river estuarygroundwaterprime hook national wildlife refugegeologycoastal ecologytree stumpshorelineregenerationblack needle rushspartina patenstidecoastal marine ecologysaltwatertidal inundationblue crabmid atlanticstormcedarmarylandchanging shorelinechesapeake baysaltwater marshwoodecologylow elevationphragmitessalineghosts of the coastsea level risenew jerseypinesurvey123georgiableached treeskeryn gedanmarsh migrationsawgrassseawatervirginialand conversionriverbanksweet gumcoastalhurricanedying forestmarinerising seasgeographysalt tolerant plantsswampnorth carolinasalt tolerantclimate changedisturbancestumptributariesdroughtsapsalt stressfloridasoileastern shore

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 & 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 beachstudentsteachersrocky shoresin oceanssandymarineinvertebratestidepoolintertidaloceanintertidal monitoringsand crabssand crabrocky intertidalalgaerocky

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 & EnvironmentBiologyEducationcitizen sciencechitonoceanintertidalrocky shorequadratmarinecrab.new zealandlimpetseaweed

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 biologywildlife monitoring horseshoe crab marine biologyfield workhorseshoe crab wildlife monitoringmarine

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 & EnvironmentAnimalswashingtonoutdoorbeachshorelinedungenesscrabpictureandroidappleinvasive speciesbeach walkmycoastappoceannaturalistscavenger huntmarinemonitoring

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 & EnvironmentBiologyAnimalsappnew yorkcrab.monitorcitizen-based monitoringhorseshoe crabiphonemonitoring

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