crab.

within 25 miles

Dec 9, 2025

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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 & WeatherBiologyhorseshoe crabnew hampshiredunesrestorationwaterspawningstewardshipmusselbeachoystercoastalgeologybeachescoastphenologycrabmigrationwater monitoringnew englandduneeelmonitoringsandamerican eelphenologicalecologysurvey

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 & EnvironmentBiologyAnimalstrainingfloridabeachsurveyhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentgroundwaterwildfiressaltwatereastern shoreriverbankmarshdelaware baysapsaltregenerationclimate changecattus islanddisturbancesouth carolinafloodestuaryblackwater national refugesalt stresscoastalsalt tolerant plantscedarvirginia coast reservemarylandsalinebleached treescoastal ecologygeologyvirginiaspartina patensmarineblack needle rushsalt water intrusiongeographyswampchanging landscapesaltwater marshghost forestmullica river estuaryphragmitessea level riseshorelineforestcoastal marine ecologydroughtghosts of the coastmarsh migrationtree stumpdying forestwoodmid atlanticlow elevationtree deathwetlandsdelmarva peninsulaprime hook national wildlife refugenew yorkcordgrassland conversionmaritime forestblue crabkeryn gedanglobal warmingthe george washington universityecologyhurricanesomerset countysaltwater marshestributariesfloodinggedan labeast coastsoilfloridapinetidal inundationsweet gumrising seaskilling treestidegeorgiasalt tolerantsawgrasscoastal educationdead treesstorymapnew jerseystumpsalt waterstormchanging shorelinedelawareseawatersurvey123chesapeake baynorth carolinadying trees

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture

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 & Environmenthorseshoe crabsdelaware bay

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 & WeatherEducationtidepoolrocky shoresintertidal monitoringrocky intertidalstudentsalgaeteachersmarineoceansandy beachrockyinvertebratessand crabin oceansintertidalsandysand crabs

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 & EnvironmentBiologyEducationrocky shoreintertidalcitizen sciencecrab.seaweednew zealandchitonmarineoceanlimpetquadrat

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 biologyfield workwildlife monitoringhorseshoe crab marine biology horseshoe crab wildlife monitoringmarine 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsappapplebeachandroidoutdoorscavenger huntshorelinepicturebeach walkcrabnaturalistdungenessoceaninvasive speciesmarinemonitoringwashingtonmycoast

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 yorkcitizen-based monitoringcrab.monitorapphorseshoe crabiphonemonitoring

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