crab.

within 25 miles

Jul 21, 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 & WeatherBiologygeologybeacheswatersanddunesurveyrestorationeeloysterbeachdunesphenologyphenologicalstewardshipcrabamerican eelmonitoringmigrationmusselcoastalhorseshoe crabspawningwater monitoringnew englandnew hampshireecologycoast

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 & EnvironmentBiologyAnimalsbeachtrainingfloridahorseshoe crabsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentbleached treestideclimate changesaltvirginiariverbanksalt tolerantghost forestdisturbancecoastalphragmitesmarinetree deathgeographyrising seasdelawarekeryn gedansea level risetree stumpdying treessaltwatercattus islandstormblack needle rushsaltwater marshstumpblackwater national refugelow elevationcordgrasshurricanecoastal educationsomerset countyprime hook national wildlife refugesweet gumfloodingwetlandsdelmarva peninsularegenerationdelaware baypinechesapeake bayblue crabfloodmarshshorelinesaltwater marshessalinegroundwatermullica river estuaryspartina patenscoastal ecologyvirginia coast reserveecologywildfiresmarsh migrationmarylandtidal inundationeast coaststorymapnew yorkmid atlanticdead treescoastal marine ecologynew jerseyestuarydying forestsalt tolerant plantsswampchanging landscapegeologychanging shorelinetributariesdroughtseawatersalt watersurvey123georgiamaritime forestgedan labeastern shoresoilghosts of the coastkilling treesland conversionsalt water intrusionthe george washington universitysapsouth carolinawoodfloridasawgrasscedarnorth carolinasalt stressforestglobal warming

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

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 & WeatherEducationmarinesandyintertidalrockyin oceansalgaesand crabrocky shoressandy beachteacherstidepoolrocky intertidalinvertebratesoceanintertidal monitoringsand crabsstudents

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 & EnvironmentBiologyEducationquadratmarineseaweedcrab.citizen scienceoceanlimpetrocky shorechitonintertidalnew 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 Science marinemarinewildlife monitoringmarine biologyhorseshoe crab horseshoe crab wildlife monitoring marine 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 & EnvironmentAnimalsinvasive speciesmycoastbeachmonitoringnaturalistpicturedungenessappleoutdoormarinescavenger huntoceanappbeach walkshorelinewashingtoncrabandroid

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 & EnvironmentBiologyAnimalsmonitoriphoneapphorseshoe crabcitizen-based monitoringnew yorkcrab.monitoring

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