crab.

within 25 miles

Feb 18, 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 & WeatherBiologysurveycoastalgeologyoystercrabrestorationspawningmigrationdunebeachwaterhorseshoe crabwater monitoringeelcoastmonitoringecologyphenologystewardshipsandnew englandbeachesnew hampshiremusseldunesphenologicalamerican eel

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 & Environmentphragmitestidal inundationfloodingmullica river estuaryprime hook national wildlife refugemarshnorth carolinasaltwater marsheswetlandswoodsalinesouth carolinaswampfloodcoastal ecologydying treesrising seasghosts of the coastwildfirescattus islandshorelineestuaryregenerationsoilmid atlanticdelawarenew jerseyeast coastblue crabtree stumpcedarland conversioncoastal marine ecologyriverbankbleached treestree deathgeologychanging shorelinesurvey123disturbancehurricanegroundwatersappinesomerset countytideglobal warminggeographygedan labsalt tolerant plantseastern shorelow elevationsaltwaterdelaware bayforestchesapeake baysweet gumtributariessalt tolerantdroughtvirginia coast reserveghost forestgeorgiacoastalsalt watermaritime forestnew yorkcordgrassmarylandclimate changestumpdying forestecologychanging landscapesalt water intrusionblackwater national refugecoastal educationblack needle rushstormsaltwater marshkeryn gedanmarsh migrationthe george washington universitysea level risefloridavirginiadead treessalt stresskilling treesdelmarva peninsulasaltspartina patensseawatermarinesawgrassstorymap

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 & WeatherEducationin oceansteachersintertidalsand crabsmarinesand crabstudentsalgaeoceansandysandy beachtidepoolrocky shoresrocky intertidalrockyinvertebratesintertidal monitoring

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 & EnvironmentBiologyEducationseaweedoceannew zealandrocky shoremarinequadratcrab.intertidalchitoncitizen sciencelimpet

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 crabhorseshoe crabwildlife monitoring wildlife monitoring marinefield workmarine marine biologymarine biology

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 & EnvironmentAnimalswashingtoninvasive speciesappandroidshorelinemycoastmarineoutdoorbeach walkcrabscavenger huntmonitoringbeachpicturenaturalistappledungenessocean

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 & EnvironmentBiologyAnimalsnew yorkappcrab.monitoringiphonecitizen-based monitoringmonitorhorseshoe crab

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