crab.

within 25 miles

Mar 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 & WeatherBiologyhorseshoe crabnew hampshirespawningoystereelnew englandbeachesamerican eelbeachmigrationphenologicalwater monitoringgeologysandsurveyphenologydunesdunestewardshipcrabcoastalmusselrestorationcoastmonitoringecologywater

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 & EnvironmentBiologyAnimalssurveytrainingfloridahorseshoe crabbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt tolerantcoastal marine ecologyvirginia coast reservesalt watersapsaltwaterestuarykilling treeseast coastriverbankphragmitesblack needle rushsea level riseshorelineeastern shoredead treesmarylandsalt water intrusionland conversionnew jerseynorth carolinawildfiressaltwater marshnew yorkecologytributariescoastal educationthe george washington universitydying forestswampstorymapspartina patenstree stumpregenerationdying treesgeorgiacedarsomerset countysurvey123bleached treesdelawareghost forestfloodsalt stresscoastalcattus islandgeologystormchanging shorelinehurricanetree deathmarsh migrationchanging landscapemarshpineghosts of the coasttidal inundationblackwater national refugemullica river estuarystumpgeographymaritime foresttidelow elevationsalt tolerant plantssaltseawatercoastal ecologyblue crabkeryn gedandisturbancedelaware bayvirginiaglobal warmingmid atlanticsouth carolinawetlandssoilforestsweet gumchesapeake baysawgrassfloodingmarinesaltwater marshesgedan labfloridaprime hook national wildlife refugecordgrassgroundwaterdelmarva peninsularising seasdroughtwoodsalineclimate change

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 & 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 & WeatherEducationsand crabsrocky intertidalrocky shoressand crabmarinein oceanstidepoolintertidalrockyteacherssandy beachoceanstudentsintertidal monitoringalgaeinvertebratessandy

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 sciencerocky shoremarinecrab.chitonoceanseaweednew zealandlimpetintertidalquadrat

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 Science wildlife monitoring marinewildlife monitoringmarine biologyfield workmarine marine biologyhorseshoe crab horseshoe 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 & EnvironmentAnimalscrabappmycoastnaturalistbeach walkoceanmonitoringinvasive speciesappleoutdoordungenessscavenger huntbeachmarineshorelinewashingtonpictureandroid

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 & EnvironmentBiologyAnimalsmonitoringcrab.new yorkcitizen-based monitoringiphonemonitorapphorseshoe crab

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