crab.

within 25 miles

Mar 19, 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 & WeatherBiologyoysterstewardshipphenologicalbeachwaterdunesandcrabrestorationcoastmonitoringecologyhorseshoe crabamerican eelnew englandbeachesnew hampshirephenologydunesmigrationwater monitoringgeologysurveycoastalmusseleelspawning

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 & EnvironmentBiologyAnimalssurveytraininghorseshoe crabbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsaltwater marshessalt water intrusionsea level riseglobal warminggroundwatercordgrassfloodmid atlanticsaltwaterchanging shorelinetidal inundationwetlandstributariessalt waterstormdying foresteastern shorenorth carolinaeast coastecologyregenerationnew yorkcoastal ecologydelawarevirginiafloridastorymapwoodsoilpinecoastal educationsaltcattus islandthe george washington universityfloodingmarsh migrationswampland conversiondelaware baychesapeake bayblue crabmarshsomerset countytree deathmullica river estuaryrising seasmarylandsouth carolinakeryn gedankilling treestree stumpmaritime forestcoastalsawgrasslow elevationgeorgiahurricanesweet gumphragmitesestuarydead treesbleached treeswildfiresvirginia coast reserveblackwater national refugedying treesdisturbanceprime hook national wildlife refugegedan labchanging landscapeghosts of the coastseawatersurvey123geographyforestsalt stressstumpgeologysapsalt tolerant plantsmarineghost forestdelmarva peninsulasalineriverbanktideshorelinespartina patensdroughtclimate changesaltwater marshnew jerseycedarblack needle rushcoastal marine ecologysalt tolerant

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 & 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 & WeatherEducationintertidalrocky shoresalgaerocky intertidalmarinesand crabsand crabsinvertebratesteachersin oceanssandytidepoolintertidal monitoringstudentsoceansandy beachrocky

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 & EnvironmentBiologyEducationcitizen sciencemarineseaweedlimpetrocky shorechitoncrab.intertidaloceannew zealandquadrat

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 Sciencehorseshoe crabfield work marine marine biologymarinemarine biologywildlife monitoring horseshoe crab wildlife monitoring

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 & EnvironmentAnimalsappbeachwashingtonmonitoringapplemarinenaturalistpicturescavenger huntmycoastoutdoordungenessinvasive speciesshorelinebeach walkoceanandroidcrab

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 & EnvironmentBiologyAnimalshorseshoe crabcrab.monitoringmonitornew yorkiphonecitizen-based monitoringapp

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