crab.

within 25 miles

Jul 30, 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 & WeatherBiologynew hampshiremigrationgeologyeelbeachessurveyspawningwater monitoringcoastalhorseshoe craboysterdunesphenologyecologycrabwatersandrestorationstewardshipdunemusselbeachphenologicalcoastnew englandamerican eelmonitoring

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 & EnvironmentBiologyAnimalsfloridatrainingsurveybeachhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentgeologydelawareclimate changemullica river estuarymarinegedan labtree deathswampglobal warmingseawatercoastal ecologynew yorksalt water intrusionsoilmaritime forestmarylandprime hook national wildlife refugecattus islandland conversiontidal inundationphragmitesstumpmarsh migrationhurricaneblackwater national refugeghosts of the coastchesapeake baydelmarva peninsulableached treessalt watersalt stressthe george washington universityfloridacoastal educationchanging shorelinerising seaswildfiresecologykeryn gedansalt tolerantblack needle rushnew jerseyestuarysaltwater marsheastern shorestormdead treessweet gumsomerset countycordgrasstributariestidedelaware bayblue crabfloodingspartina patensdisturbancedying forestsalt tolerant plantsdroughtcoastalsawgrassvirginia coast reservesaltwatermarshgeorgiariverbanklow elevationshorelineregenerationnorth carolinasapchanging landscapeforestfloodgroundwatervirginiapinecoastal marine ecologysalinecedarwetlandssea level risesaltwater marsheswooddying treeskilling treesmid atlanticeast coastsurvey123saltghost forestgeographytree stumpsouth carolinastorymap

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturebeach walkhorseshoe 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 & WeatherEducationtidepoolintertidal monitoringintertidaloceansand crabssandyinvertebratesteachersrocky intertidalin oceansmarinesand crabstudentsrocky shoressandy beachalgaerocky

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 zealandoceanmarinequadratintertidalchitonrocky shorelimpetseaweedcrab.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 monitoringmarine biologywildlife monitoringfield workhorseshoe crab horseshoe crabmarine marine 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 & EnvironmentAnimalsmarinebeachoceandungenessmonitoringwashingtonoutdoorscavenger huntbeach walkmycoastnaturalistpicturecrabinvasive speciesandroidappappleshoreline

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 & EnvironmentBiologyAnimalsappnew yorkcitizen-based monitoringiphonemonitoringmonitorcrab.horseshoe crab

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