crab.

within 25 miles

May 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 & WeatherBiologysandbeacheseelcrabrestorationbeachwatermigrationwater monitoringstewardshipcoastalsurveygeologyamerican eelnew englanddunescoastmusselmonitoringoysterphenologicalecologyphenologyhorseshoe crabnew hampshiredunespawning

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 & EnvironmentBiologyAnimalsfloridahorseshoe crabsurveybeachtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentblackwater national refugephragmitessalinekilling treesgedan labsalt stresssalt waternew yorkkeryn gedanmarshstorymapregenerationdelaware baychesapeake bayghosts of the coastgeographyrising seasvirginia coast reservesalt water intrusionsaltwatersalt tolerantsawgrassgeorgiasurvey123cordgrasscoastalsoilshorelinecoastal ecologywildfireswetlandspinetidal inundationmid atlanticeast coastfloodingwoodtree stumpsaltsomerset countystumpsapdying forestvirginiamarsh migrationchanging landscapeghost forestsaltwater marshesbleached treesflooddead treestree deathmullica river estuarycedarmarinedelmarva peninsulacoastal marine ecologyclimate changetideblue crablow elevationcoastal educationmaritime forestglobal warmingdroughtspartina patensgroundwatercattus islandsweet gumtributariesestuarystormmarylanddying treesnew jerseynorth carolinaswampthe george washington universityprime hook national wildlife refugesaltwater marsheastern shoredelawareland conversionecologychanging shorelinegeologysea level riseblack needle rushfloridariverbankforestsalt tolerant plantssouth carolinaseawaterdisturbancehurricane

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 & 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 & WeatherEducationsand crabrockysand crabsrocky intertidalmarinetidepoolsandy beachstudentsinvertebratesintertidal monitoringin oceansintertidalsandyoceanrocky shoresalgaeteachers

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 & EnvironmentBiologyEducationnew zealandquadratlimpetcrab.oceanintertidalmarinecitizen sciencerocky shoreseaweedchiton

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 Sciencefield workhorseshoe crabmarine marine biologywildlife monitoring wildlife monitoringmarine biology horseshoe 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 & EnvironmentAnimalsnaturalistscavenger huntmycoastbeachmonitoringoceanmarineapplewashingtonandroidpicturedungenessinvasive speciesbeach walkoutdoorcrabshorelineapp

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 & EnvironmentBiologyAnimalscitizen-based monitoringcrab.iphonenew yorkhorseshoe crabmonitoringmonitorapp

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