crab.

within 25 miles

Feb 25, 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 & WeatherBiologybeachcoasthorseshoe crabwaterphenologydunesoysterstewardshipbeachessurveyrestorationmonitoringsandamerican eelecologyeelcrabnew englandnew hampshirewater monitoringcoastalgeologyspawningdunemigrationphenologicalmussel

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 & Environmentwoodmid atlanticdelaware baymarineshorelinecoastalgroundwatergeologycattus islandgeographyregenerationfloodingfloodghost forestecologydroughttidetributariesestuarysaltwater marshblack needle rushcordgrassmarsh migrationeastern shorephragmitesmaritime forestgeorgiastumpeast coastsalt water intrusionwildfirescoastal ecologysapseawaterkeryn gedandead treeswetlandsghosts of the coastdying treesclimate changesouth carolinatidal inundationdying forestsalt tolerant plantsswamplow elevationnew yorkcoastal marine ecologysawgrassbleached treescoastal educationchanging shorelinesweet gumsalt tolerantmarshcedarhurricanesomerset countyfloridastormthe george washington universitysalt watersoilnorth carolinavirginia coast reservesaltchesapeake baysalt stressnew jerseyglobal warmingmullica river estuaryriverbankgedan labchanging landscapedisturbancekilling treesspartina patensprime hook national wildlife refugesaltwatersurvey123rising seasdelawareforestmarylandland conversiondelmarva peninsulatree deathvirginiapinesaltwater marshestree stumpsea level risestorymapblackwater national refugeblue crabsaline

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 & 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 & WeatherEducationrockyoceanintertidalsandysandy beachinvertebratesin oceansstudentsrocky shoressand crabssand crabtidepoolintertidal monitoringrocky intertidalalgaemarineteachers

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 zealandrocky shoreoceanchitonmarineintertidalquadratseaweedlimpetcrab.citizen science

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 horseshoe crab marinewildlife monitoring marine biologyhorseshoe crabfield workmarinemarine biology

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 & EnvironmentAnimalswashingtonmarinepictureinvasive speciesoutdoorbeachshorelinebeach walkappleappmycoastoceanandroidmonitoringnaturalistcrabscavenger huntdungeness

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 & EnvironmentBiologyAnimalsmonitoringcitizen-based monitoringappmonitorhorseshoe crabcrab.iphonenew york

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