crab.

within 25 miles

Apr 23, 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 & WeatherBiologyrestorationmonitoringhorseshoe crabecologynew hampshirecoastalsurveyphenologicalbeachesbeachmusselwater monitoringcrabeeloysterdunegeologymigrationphenologyamerican eelwatercoaststewardshipdunessandnew englandspawning

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 & Environmentmid atlanticsurvey123mullica river estuarystormswampsalt water intrusionblue crabthe george washington universitystumpgeologycoastal marine ecologycattus islandcoastal educationdead treesdisturbancestorymapmarinegeographymarshpinelow elevationmarylandsoilghosts of the coastgedan labglobal warminghurricanesweet gumghost forestgeorgianew yorksawgrasstree deathriverbanksaltwaterchesapeake baynew jerseyspartina patenswooddelmarva peninsulavirginiaregenerationkeryn gedanseawatersalt stressrising seasmaritime foresttidedelawarebleached treescoastaltributariesclimate changeshorelinesaltwater marshfloodinggroundwatersalinechanging shorelinemarsh migrationdelaware bayblackwater national refugedying treesnorth carolinasapchanging landscapesalt tolerant plantseast coastsaltcordgrasssalt tolerantfloridaecologyvirginia coast reservesomerset countyprime hook national wildlife refugecoastal ecologyblack needle rushcedarfloodforestwildfirestidal inundationsalt waterland conversionsouth carolinadying forestdroughtsea level risetree stumpwetlandseastern shoreestuarykilling treessaltwater marshesphragmites

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 & 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 & WeatherEducationintertidal monitoringstudentsinvertebratesmarinerocky intertidalsand crabsand crabsintertidalrockytidepoolteacherssandy beachrocky shoressandyalgaeoceanin 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 & EnvironmentBiologyEducationnew zealandmarinecitizen scienceseaweedrocky shorechitonoceanquadratintertidallimpetcrab.

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 work marine biologymarine biology horseshoe crabmarine marinewildlife monitoring wildlife monitoringhorseshoe 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 & EnvironmentAnimalsscavenger huntpictureappmonitoringoceandungenesswashingtoninvasive speciesshorelinenaturalistbeach walkapplebeachmycoastmarineoutdoorcrabandroid

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 & EnvironmentBiologyAnimalsnew yorkhorseshoe crabmonitorcrab.citizen-based monitoringiphoneappmonitoring

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