crab.

within 25 miles

Feb 9, 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 & WeatherBiologycoastalgeologyamerican eelrestorationnew hampshirespawningsandnew englandbeachsurveybeachescrabwatercoastecologystewardshipwater monitoringmusseldunemonitoringphenologyoystereelphenologicalhorseshoe crabdunesmigration

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 & EnvironmentBiologyAnimalssurveyfloridatrainingbeachhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentwildfiresblack needle rushcoastal educationtidal inundationsalt tolerant plantseast coasteastern shorecoastal ecologylow elevationmarinevirginia coast reservewoodseawatersurvey123salinerising seaswetlandsspartina patenstidedelmarva peninsulavirginiacoastal marine ecologycattus islandsoilmid atlanticcoastalsaltmarylandstumpsouth carolinaswampsalt water intrusionphragmitesmaritime forestsawgrassnew yorkdisturbanceshorelinechanging landscapeclimate changesaltwater marshchanging shorelineland conversionpinethe george washington universitydead treesstormdying treesmarsh migrationsea level risecedarglobal warmingtree deathtree stumpgeorgiasomerset countybleached treessalt stresskilling treesestuaryghosts of the coastfloodingnew jerseysaltwater marshessaltwatermarshforeststorymapdroughtblue crabtributariesecologydying forestgeologyhurricanegeographysweet gumgroundwaterfloodghost forestsalt waterriverbankcordgrassdelaware bayfloridakeryn gedansapprime hook national wildlife refugedelawareblackwater national refugemullica river estuarynorth carolinachesapeake baygedan labsalt tolerantregeneration

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 & 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 & WeatherEducationrocky shoressand crabssandyrockyinvertebratesoceanrocky intertidalteachersintertidal monitoringstudentsin oceansalgaesandy beachmarinesand crabtidepoolintertidal

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 & EnvironmentBiologyEducationseaweedintertidalquadratcrab.oceanrocky shorechitoncitizen sciencenew zealandlimpetmarine

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 Sciencefield workmarine marinemarine biology horseshoe crabwildlife monitoring marine biologyhorseshoe crab 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 & EnvironmentAnimalsoutdoorcrabmarineshorelinebeach walkmonitoringmycoastbeachappscavenger huntwashingtoninvasive speciesnaturalistandroidpictureappledungenessocean

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 & EnvironmentBiologyAnimalscitizen-based monitoringiphoneapphorseshoe crabmonitorcrab.new yorkmonitoring

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