crab.

within 25 miles

Apr 29, 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 & WeatherBiologysandphenologysurveyamerican eelcrabwaterstewardshipnew englanddunescoastmonitoringnew hampshirehorseshoe crabmigrationrestorationcoastaleelgeologydunewater monitoringmusselecologyphenologicalbeachesspawningbeachoyster

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 & EnvironmentBiologyAnimalsbeachtraininghorseshoe crabsurveyflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentgroundwatermid atlanticdead treesmarsh migrationfloridasaltwater marshesecologyswampkilling treesdying treeseast coastnew jerseysalt tolerantgedan labshorelinerising seasghost forestcoastalvirginia coast reservechesapeake baysea level risewetlandscoastal educationland conversionsalt water intrusionsalineforeststorymapkeryn gedandelawarethe george washington universitygeorgiacattus islandcoastal ecologyeastern shoreghosts of the coastphragmitesgeographychanging landscapespartina patenssalt watersaltwater marshregenerationmarshstormsawgrasssurvey123droughtlow elevationriverbanksweet gumhurricaneblue crabfloodtree stumptree deathblackwater national refugesoilwoodstumpdelmarva peninsulaglobal warmingprime hook national wildlife refugewildfiresnew yorksalttidegeologysaltwaterchanging shorelinecordgrasstidal inundationseawatertributariesmaritime forestestuaryfloodingdisturbanceblack needle rushcedarsomerset countysouth carolinanorth carolinadying forestdelaware baypinecoastal marine ecologybleached treessalt stresssapmarineclimate changemullica river estuaryvirginiamarylandsalt tolerant plants

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 & WeatherEducationinvertebratesrocky shoresintertidal monitoringsand crabssand crabtidepoolstudentsin oceanssandy beachsandyteachersrockyintertidaloceanrocky intertidalmarinealgae

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 zealandmarineseaweedquadratchitonlimpetoceancitizen sciencecrab.rocky shoreintertidal

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 Sciencehorseshoe crabmarinewildlife monitoring marinefield work horseshoe crab wildlife monitoringmarine biology marine 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 & EnvironmentAnimalsoceanoutdoorcrabmycoastappledungenessbeachmarinepictureinvasive speciesnaturalistappscavenger huntandroidwashingtonshorelinebeach walkmonitoring

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 & EnvironmentBiologyAnimalsmonitornew yorkapphorseshoe crabcitizen-based monitoringcrab.monitoringiphone

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