crab.

within 25 miles

May 2, 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 & WeatherBiologyduneswater monitoringnew englandbeachsurveyspawningcrabphenologynew hampshiregeologybeachesmonitoringecologycoastphenologicaleeloystercoastalstewardshipsandhorseshoe crabmigrationamerican eelmusselrestorationdunewater

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 & EnvironmentBiologyAnimalsfloridasurveybeachtraininghorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenttree stumpbleached treessawgrassdying treesmarylandnew jerseychanging shorelinetidewetlandssea level riseriverbankdying forestsalt tolerant plantssalinechesapeake bayvirginia coast reservemullica river estuarymarshsalt water intrusionlow elevationdead treessaltwater marshesblue crabghosts of the coastregenerationhurricaneprime hook national wildlife refugecoastal ecologycoastal marine ecologyestuarymarineglobal warmingtributariesrising seasnew yorksalt stressgeologysweet gumsouth carolinachanging landscapesaltsoilcedarphragmitesshorelinestormeast coastmaritime forestcordgrasstidal inundationdisturbancedelmarva peninsulathe george washington universitytree deathfloodsurvey123delaware bayblack needle rushstumpsapkilling treesgroundwaterspartina patenscoastalgedan labvirginialand conversionmid atlanticgeographyghost forestmarsh migrationsalt watercoastal educationecologyforestclimate changesaltwaterfloodingcattus islandblackwater national refugepinewildfiresstorymapdroughtseawatersaltwater marshdelawarekeryn gedansalt tolerantgeorgiasomerset countyswampeastern shorefloridanorth carolinawood

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 & WeatherEducationin oceanssandy beachintertidal monitoringstudentsrocky shoresinvertebratessandytidepoolsand crabteachersoceanrockyrocky intertidalintertidalalgaesand crabsmarine

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 & EnvironmentBiologyEducationintertidalmarinelimpetoceannew zealandquadratcitizen sciencecrab.rocky shoreseaweedchiton

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 Sciencemarine biologywildlife monitoring marine biology wildlife monitoringfield workmarine horseshoe crabhorseshoe 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 & EnvironmentAnimalsbeachbeach walkmycoastpicturescavenger huntapplecrabdungenessinvasive speciesoceanwashingtonoutdoormarinemonitoringandroidappshorelinenaturalist

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 & EnvironmentBiologyAnimalsiphoneapphorseshoe crabcitizen-based monitoringmonitormonitoringcrab.new york

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