crab.

within 25 miles

Feb 13, 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 & WeatherBiologycoastalmigrationphenologicalspawningbeachstewardshipsandcoastmonitoringwater monitoringecologygeologydunemusseldunesrestorationphenologywatersurveyhorseshoe crabnew hampshireamerican eelnew englandeelbeachesoystercrab

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 & Environmentdelmarva peninsulachanging shorelinesurvey123stumpkeryn gedanriverbankecologysaltwater marshghosts of the coasttree stumpeast coastvirginiageorgialow elevationmarylandsalt water intrusiontidal inundationgeologyfloodingcoastal marine ecologytree deathmarsh migrationsaltwaterclimate changefloridagedan labgeographynew jerseyblack needle rushsawgrasssea level risewooddead treesthe george washington universityprime hook national wildlife refugeshorelinemullica river estuaryblue crabcattus islandpinedroughtnew yorksalinespartina patensgroundwatermaritime forestcoastal educationstormseawaterfloodvirginia coast reservestorymapland conversiontidesaltregenerationphragmitessalt tolerantdying treessomerset countycedardelaware baymarshcoastaldisturbancesaltwater marshesdying forestsoilmarinechanging landscapeghost forestestuarycoastal ecologyglobal warmingsweet gumnorth carolinableached treesmid atlanticdelawarehurricanesalt tolerant plantssalt waterforesttributariesrising seasblackwater national refugechesapeake bayswampcordgrasswetlandssapsalt stresseastern shorekilling treeswildfiressouth carolina

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 & WeatherEducationrocky intertidalteachersstudentsrocky shoressandyinvertebratesintertidal monitoringsand crabsmarinein oceansalgaerockyoceansandy beachtidepoolsand crabintertidal

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 & EnvironmentBiologyEducationquadratcitizen sciencerocky shoreintertidaloceanlimpetcrab.seaweedmarinenew zealandchiton

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 biology horseshoe crabfield work wildlife monitoringwildlife monitoringhorseshoe crabmarine biology 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 & EnvironmentAnimalsmonitoringmycoastappcrabwashingtonoutdoorapplemarineandroidpictureinvasive speciesscavenger huntdungenessshorelineoceanbeach walknaturalistbeach

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 & EnvironmentBiologyAnimalsiphoneappnew yorkcrab.monitorhorseshoe crabmonitoringcitizen-based monitoring

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