crab.

within 25 miles

Jan 19, 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 & WeatherBiologynew hampshirespawningmigrationwater monitoringcoastalgeologymusselrestorationcoastbeachdunesurveydunesoysterphenologystewardshipnew englandcrabphenologicalwatereelamerican eelsandbeachesmonitoringecologyhorseshoe crab

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 & EnvironmentBiologyAnimalsbeachfloridahorseshoe crabsurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmullica river estuaryghost forestcoastal ecologywildfirescedarvirginiaspartina patenschesapeake baysomerset countytree deathwoodstormphragmiteswetlandskeryn gedanpineforestfloridagedan labmarylandstorymapthe george washington universitysea level riseeast coastbleached treesstumprising seasgeorgiashorelineregenerationlow elevationhurricanedead treesnew yorkprime hook national wildlife refugedying treesgeologyclimate changeecologysoildelaware baydroughtsalt watersaltwater marshseawaterfloodcoastalsweet gumsurvey123floodingdisturbancesouth carolinadelawaregeographysaltgroundwatertributariesghosts of the coastblackwater national refugechanging shorelinesapcordgrassswampkilling treestidenorth carolinacattus islandvirginia coast reservemarsh migrationsawgrasstree stumpriverbankmarshsaltwater marshesnew jerseymid atlantictidal inundationsalt tolerantestuarymaritime forestdelmarva peninsulablack needle rushcoastal educationdying forestland conversionsalt stresseastern shoresalt tolerant plantsglobal warmingblue crabsaltwatercoastal marine ecologymarinesalinechanging landscapesalt water intrusion

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 & WeatherEducationalgaeintertidalintertidal monitoringteachersmarinesandyrocky shoressandy beachsand crabstudentsin oceanssand crabsrockyrocky intertidaltidepoolinvertebratesocean

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 & EnvironmentBiologyEducationquadratoceanseaweedlimpetmarineintertidalcrab.citizen sciencenew zealandrocky shorechiton

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 horseshoe crabmarine biologywildlife monitoring marine biology wildlife monitoringmarinefield workhorseshoe crab 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 & EnvironmentAnimalspictureapplemarinebeach walkdungenessinvasive speciesandroidcrabnaturalistmycoastshorelineappoutdoorwashingtonscavenger huntmonitoringbeachocean

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 & EnvironmentBiologyAnimalsmonitoringhorseshoe crabappiphonenew yorkcrab.monitorcitizen-based monitoring

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