crab.

within 25 miles

Sep 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 & WeatherBiologyrestorationmonitoringmigrationwater monitoringgeologycrabdunesurveyphenologicalbeachesecologycoastamerican eelnew hampshirenew englandcoastalmusselphenologyduneswaterhorseshoe craboysterstewardshipeelbeachspawningsand

PEBL CIC (Plant Ecology Beyond Land)

FishSpotter

Identify UK marine species on seaweed and shellfish farm seabeds

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsfishmarineunited kingdomspecies identification

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 & EnvironmentBiologyAnimalshorseshoe crabbeachtrainingsurveyflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsweet gumfloodingvirginiatributariesdisturbancedying treesrising seasregenerationsaltwaterecologyblackwater national refugeshorelinesapdying forestgeographykilling treesmarsh migrationprime hook national wildlife refugefloodsaltwater marshessalt water intrusionland conversioncedartree stumpsalinegroundwaterchanging shorelinelow elevationnew yorkcattus islandstormfloridastumpforestcoastal educationsoilthe george washington universitypinemid atlanticestuaryghosts of the coastgeologyblue crabbleached treesdelaware baysomerset countyhurricaneriverbankgedan labsalt tolerant plantsvirginia coast reservesurvey123south carolinachanging landscapetidenew jerseynorth carolinaseawatermarylandkeryn gedanphragmitessea level risesalt stressmarshblack needle rushspartina patenseastern shoredelawaredelmarva peninsulawildfireschesapeake baycordgrasseast coastcoastal marine ecologymaritime forestwetlandssaltwater marshmullica river estuarydroughtcoastal ecologyghost forestclimate changeswampwoodglobal warmingcoastalsawgrassstorymapsalt watertidal inundationsalt tolerantmarinegeorgiasaltdead treestree death

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabpicturebeach 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 & WeatherEducationtidepoolrocky shoresoceanmarinesandy beachintertidal monitoringrocky intertidalalgaesand crabssand crabteachersin oceansstudentsrockysandyinvertebratesintertidal

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 & EnvironmentBiologyEducationmarinequadratcitizen sciencenew zealandseaweedlimpetintertidaloceanrocky shorechitoncrab.

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 crabmarine biologyfield workwildlife monitoringmarine

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 & EnvironmentAnimalsdungenessandroidmycoastbeach walkscavenger huntshorelinecraboceanappmonitoringappleoutdoorinvasive speciesnaturalistpicturebeachwashingtonmarine

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