crab.

within 25 miles

Jan 20, 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 & WeatherBiologyecologynew hampshirephenologicalcrabdunebeachsurveyspawningoysterbeachessandrestorationeelstewardshipmusselamerican eelmigrationphenologycoastwaterhorseshoe crabnew englandwater monitoringcoastalgeologydunesmonitoring

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 crabfloridabeachsurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentprime hook national wildlife refugespartina patensdisturbancenew yorkecologycoastalsalt tolerant plantsgeorgiakilling treesgeologywildfireskeryn gedandead treessalinenorth carolinadelaware baygedan labbleached treesnew jerseycordgrassland conversionfloodingdying treesregenerationstorymapsomerset countychanging shorelinechanging landscapecoastal ecologysalt stresstree deathmarinethe george washington universityforesttree stumpsoilwetlandsblack needle rushmarylandmullica river estuarycattus islandmarshstumpcoastal educationsaltwater marshesseawatertidal inundationsea level riseblackwater national refugeeastern shoresapghost forestcoastal marine ecologysaltwatersurvey123delawaresalt waterlow elevationvirginia coast reservedroughtblue crabgroundwatersweet gumsaltwater marshphragmitesgeographystormmaritime foresttiderising seasclimate changeswampfloodmid atlanticshorelineglobal warmingpinecedartributariessalt tolerantfloridamarsh migrationdying forestsaltsawgrasschesapeake bayhurricaneghosts of the coasteast coastsalt water intrusionsouth carolinadelmarva peninsulaestuaryriverbankvirginiawood

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture

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 shoresintertidal monitoringintertidalteacherssandyalgaemarinein oceanssand crabsrockytidepoolinvertebratesoceanstudentssandy beachrocky intertidalsand crab

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 & EnvironmentBiologyEducationintertidalcrab.chitonmarinelimpetnew zealandseaweedoceanquadratcitizen sciencerocky shore

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 marinewildlife monitoringmarinemarine biologyhorseshoe crabfield work horseshoe crab marine biology 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 & EnvironmentAnimalswashingtonbeach walkandroidoceanapplemycoastdungenessbeachpicturemonitoringnaturalistcraboutdoormarineappinvasive speciesshorelinescavenger 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.horseshoe crabmonitornew yorkmonitoringcitizen-based monitoringappiphone

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