crab.

within 25 miles

May 13, 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 & WeatherBiologywater monitoringgeologydunesspawningecologycrabbeachmusselbeachesphenologicalmigrationphenologydunerestorationmonitoringsandcoastalamerican eeloysterwatereelstewardshipnew englandhorseshoe crabnew hampshirecoastsurvey

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 & EnvironmentBiologyAnimalstrainingbeachsurveyhorseshoe crabflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsaltwater marshestree stumpphragmitesgedan labdelawaresalt tolerantmid atlanticvirginiamarsh migrationwetlandsland conversionregenerationblue crabtidetributariestidal inundationcoastalkeryn gedanthe george washington universitysalt waterchanging landscapecattus islandgeologylow elevationtree deathdisturbancemullica river estuarypinegeographyecologymarylandsaltwaterfloodingsalt tolerant plantsdying forestdelaware bayvirginia coast reservesawgrasssaltwoodsapkilling treesnorth carolinaprime hook national wildlife refugewildfiresrising seasshorelinecoastal ecologysurvey123new jerseysalt stressdelmarva peninsulasea level risecoastal educationseawaterchesapeake baygroundwatermaritime foresteast coastdead treesghosts of the coaststorymapestuarydying treesmarineswampeastern shorecoastal marine ecologyclimate changemarshchanging shorelinedroughtsalt water intrusioncedarforestspartina patensgeorgiableached treesfloodsomerset countystumpriverbankghost forestsaltwater marshcordgrasssweet gumfloridahurricaneblack needle rushstormsoilnew yorkblackwater national refugesalineglobal warmingsouth carolina

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe crab

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 & WeatherEducationinvertebratesoceanstudentstidepoolintertidalrocky intertidalrockyintertidal monitoringsand crabssandy beachsandymarinesand crabrocky shoresteachersin oceansalgae

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 shoreseaweedintertidalchitonquadratcitizen sciencemarineoceanlimpetcrab.

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 horseshoe crabhorseshoe crabmarinefield workwildlife monitoring wildlife monitoring marine biologymarine biology 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 & EnvironmentAnimalsinvasive speciesshorelinenaturalistdungenessandroidmycoastoceanbeachcrabapppicturewashingtonbeach walkmarineoutdoorapplemonitoringscavenger hunt

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 & EnvironmentBiologyAnimalscrab.monitornew yorkhorseshoe crabmonitoringiphonecitizen-based monitoringapp

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