crab.

within 25 miles

Mar 3, 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 & WeatherBiologyamerican eelbeachesphenologicalstewardshipcoastcrabnew hampshiregeologynew englandspawningeelbeachhorseshoe crabsurveymigrationwatercoastalecologyphenologydunedunesmusselsandoysterrestorationmonitoringwater monitoring

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 & EnvironmentBiologyAnimalsbeachsurveyhorseshoe crabfloridatraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenttidesaltwater marshsalt tolerant plantsgeorgiaeastern shorekilling treesvirginiachesapeake baydelaware baynorth carolinastumppinesalt water intrusioncoastalsomerset countygeographywetlandskeryn gedanhurricanefloridadelmarva peninsuladying forestsalt watergroundwatertributariesestuaryphragmitesforestchanging shorelineblue crabthe george washington universityeast coastcoastal ecologyglobal warmingstormdroughtecologysea level risecoastal marine ecologysalt tolerantvirginia coast reservenew jerseyblackwater national refugesaprising seasbleached treesdelawaresaltsweet gumland conversionregenerationsalt stressstorymapprime hook national wildlife refugeswampgedan labchanging landscapeghost forestsurvey123marshclimate changespartina patenswildfiresnew yorkcoastal educationmarsh migrationsoilmullica river estuarytree stumpcedarcattus islandblack needle rushsalinetidal inundationlow elevationdead treestree deathriverbankwoodseawatergeologyfloodsawgrasssaltwaterdisturbanceghosts of the coastdying treesshorelinesaltwater marshessouth carolinamaritime forestfloodingcordgrassmid atlanticmarylandmarine

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturebeach walkhorseshoe crab

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 beachrocky intertidalintertidal monitoringteacherssand crabsstudentssandysand crabrockyoceanin oceansmarinerocky shoresalgaetidepoolinvertebratesintertidal

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 zealandrocky shorelimpetoceanquadratintertidalcitizen sciencechitonmarinecrab.seaweed

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 monitoringfield work wildlife monitoring marine biologyhorseshoe crab horseshoe crabmarine marinemarine 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 & EnvironmentAnimalsscavenger huntcrabappandroidpictureoceanwashingtonoutdoormycoastmarinebeach walkshorelineappledungenessinvasive speciesbeachnaturalistmonitoring

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 & EnvironmentBiologyAnimalsiphonenew yorkapphorseshoe crabcrab.monitoringmonitorcitizen-based monitoring

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