crab.

within 25 miles

Apr 24, 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 & WeatherBiologycoastmonitoringecologyhorseshoe crabcoastaloystersurveywaterspawningdunesstewardshipcrabmigrationbeachmusselbeachesamerican eelphenologicalphenologywater monitoringdunenew hampshiregeologysandeelnew englandrestoration

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 & EnvironmentBiologyAnimalstraininghorseshoe crabsurveybeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcoastal ecologysoilgeorgiasomerset countydisturbancegeographymarinesawgrasssalt tolerantcoastal marine ecologymullica river estuarycattus islandblue crabtree stumpvirginiasurvey123forestsalt stressriverbankdelaware bayblackwater national refugeecologymarshrising seasstorymapstumpghosts of the coastsweet gumdying forestmarylandblack needle rushchanging landscapekilling treeseastern shoreland conversionkeryn gedantributariessalt water intrusioncedarfloodtree deathsapdelmarva peninsulachanging shorelineswampsalt tolerant plantstidal inundationprime hook national wildlife refugesalt waterdying treesfloridatidedead treesdelawarevirginia coast reservefloodingchesapeake baynorth carolinasaltwater marshescoastal educationwoodshorelinenew yorkestuaryglobal warmingdroughteast coastwildfiresnew jerseysaltmaritime forestbleached treespinestormspartina patensthe george washington universitywetlandsregenerationsaltwater marshclimate changecoastalmid atlanticgroundwaterseawatergedan labcordgrasslow elevationghost forestsaltwatersalinehurricanegeologysea level risephragmitesmarsh migrationsouth 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 & 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 & WeatherEducationsandy beachintertidal monitoringtidepoolrockyrocky shoressand crabsintertidaloceanalgaeteachersmarinestudentssandyrocky intertidalinvertebratessand crabin oceans

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 & EnvironmentBiologyEducationcrab.seaweedoceancitizen sciencemarinerocky shorelimpetchitonquadratnew zealandintertidal

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 Sciencewildlife monitoring wildlife monitoringfield work marine biologymarine marine horseshoe crabmarine biologyhorseshoe crab

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 & EnvironmentAnimalsapplemarinedungenessinvasive speciesoutdoorshorelinebeach walkoceanandroidwashingtonmycoastnaturalistappbeachmonitoringpicturescavenger huntcrab

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 & EnvironmentBiologyAnimalscrab.monitorhorseshoe crabcitizen-based monitoringmonitoringappiphonenew york

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