crab

within 25 miles

Apr 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 & WeatherBiologystewardshipmonitoringspawningphenologicalamerican eelwater monitoringduneeelgeologycoastalrestorationmigrationnew englandhorseshoe craboysterphenologycrabdunessurveycoastnew hampshirebeachesmusselwatersandbeachecology

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 & EnvironmentBiologyAnimalssurveyhorseshoe crabfloridabeachtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentecologydead treesfloodeast coastspartina patensrising seaspinetributariessaltwater marshswampdelmarva peninsuladying treesmarshhurricanesweet gumsouth carolinawetlandssomerset countynew jerseysurvey123ghost forestdying forestblack needle rushmarinefloridavirginiaglobal warminggeologymarsh migrationsoilsalinenew yorkghosts of the coastdroughtstorymapnorth carolinastormwoodsalt toleranteastern shorewildfirescattus islandregenerationsea level risedisturbancemaritime forestgeographymullica river estuarysapcordgrassfloodingchesapeake baydelaware baykilling treesprime hook national wildlife refugesalt watertidechanging landscapebleached treeskeryn gedanlow elevationtree stumpgeorgiasalt tolerant plantsland conversionsawgrassmid atlanticestuarystumpsalt stresscoastal ecologytree deathchanging shorelineseawatergedan labshorelinemarylandclimate changesaltwaterblackwater national refugephragmitescedarsalt water intrusiontidal inundationthe george washington universityriverbanksaltwater marshesdelawaregroundwaterblue crabcoastal educationcoastal marine ecologysaltforestcoastalvirginia coast reserve

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach walk

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 & WeatherEducationinvertebratessand crabsmarineintertidal monitoringsandy beachrocky shoresintertidalsandystudentsteachersrockysand crabin oceansoceanrocky intertidalalgaetidepool

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 sciencecrab.quadratchitonlimpetseaweedoceanintertidalrocky shoremarinenew zealand

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 marine horseshoe crabmarine biologymarinewildlife monitoringhorseshoe crab marine biologyfield work 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 & EnvironmentAnimalsdungenessinvasive speciesmarinebeachshorelinecrabnaturalistbeach walkscavenger huntmonitoringoceanoutdoorapplemycoastappwashingtonpictureandroid

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 & EnvironmentBiologyAnimalsmonitoringappmonitorhorseshoe crabnew yorkiphonecitizen-based monitoringcrab.

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