crab.

within 25 miles

Mar 9, 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 & WeatherBiologymigrationrestorationstewardshipecologyamerican eelphenologicalnew englandbeachescoasteelnew hampshirewater monitoringphenologymusselspawningdunessandgeologyoysterwatersurveybeachcoastalmonitoringdunehorseshoe crabcrab

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 & EnvironmentBiologyAnimalshorseshoe crabsurveytrainingbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentglobal warmingcoastal marine ecologypinesaltwaterblackwater national refugehurricanestormnew jerseydelmarva peninsulaseawatershorelineeastern shorevirginia coast reservecoastal ecologyrising seasdelawarewoodtideforestmarylandgeorgiatidal inundationghost forestdying treeswetlandssurvey123new yorksalt stresssalt water intrusiongeologysalinedelaware baydying forestmullica river estuarygroundwaternorth carolinaswampghosts of the coasteast coastlow elevationstorymapgedan labkilling treesmid atlanticsweet gumregenerationgeographyblue crabbleached treessaltwater marshland conversionsomerset countyfloridamarsh migrationsapsouth carolinasea level risecattus islandprime hook national wildlife refugemarinetree stumpriverbankcordgrasswildfiresspartina patensdroughtfloodsawgrassthe george washington universityclimate changechanging shorelinemarshcoastaldisturbancesalt tolerant plantscedarchesapeake baysoilblack needle rushvirginiasaltmaritime forestsalt watercoastal educationtree deathkeryn gedanfloodingtributariesstumpsaltwater marsheschanging landscapeestuarysalt tolerantdead treesphragmitesecology

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe 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 & 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 & WeatherEducationsandyinvertebratesalgaetidepoolintertidal monitoringrocky shoresstudentsoceanmarinesand crabsrocky intertidalteachersrockyin oceansintertidalsandy beachsand crab

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 & EnvironmentBiologyEducationmarineintertidalquadratcitizen scienceoceancrab.new zealandchitonrocky shoreseaweedlimpet

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 crabmarine biologymarinewildlife monitoring marine biology wildlife monitoringfield work 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 & EnvironmentAnimalspicturescavenger huntandroidnaturalistbeachappcrabmycoastoceanbeach walkappleshorelinedungenessmarinemonitoringinvasive specieswashingtonoutdoor

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 & EnvironmentBiologyAnimalsappmonitoriphonenew yorkcrab.horseshoe crabcitizen-based monitoringmonitoring

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