crab.

within 25 miles

Dec 10, 2025

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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 & WeatherBiologygeologyphenologicalphenologydunemonitoringmigrationcoastalbeacheelnew englandsurveywateroysterstewardshipsandamerican eelcrabbeachesrestorationecologyhorseshoe crabwater monitoringspawningcoastnew hampshiremusseldunes

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 & EnvironmentBiologyAnimalsfloridasurveybeachtraininghorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt waterstumpeastern shorelow elevationsalt tolerantspartina patensnew yorkestuarysweet gumgedan labeast coastblue crabmid atlanticsaltwater marshsaltwatergeographyregenerationdelawaresalt tolerant plantsghost foresttree deathrising seasdying forestpinedisturbanceforestnorth carolinacattus islandblackwater national refugetidesalt water intrusionwetlandsstormwildfirescoastal educationkeryn gedanhurricaneprime hook national wildlife refugecordgrassvirginiatree stumpmarsh migrationmarylandclimate changefloodingsaltstorymapsoilseawatersaltwater marshesmaritime forestdying treessomerset countyswampchanging landscapesurvey123sea level risecoastal marine ecologysalinedelmarva peninsulamullica river estuarysalt stresscedargroundwaterland conversionshorelinecoastal ecologysapghosts of the coastnew jerseywoodriverbankthe george washington universityfloridadead treesphragmitesglobal warmingsawgrassdroughtvirginia coast reservetidal inundationtributariesmarshgeorgiasouth carolinacoastalgeologychesapeake baydelaware bayecologykilling treesblack needle rushbleached treesmarinechanging shorelineflood

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 & 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 & WeatherEducationintertidaltidepoolsandy beachrocky intertidalteachersrocky shoressand crabsrockysandymarinesand crabin oceansalgaestudentsinvertebratesintertidal monitoringocean

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 & EnvironmentBiologyEducationmarinecitizen sciencenew zealandlimpetintertidalcrab.rocky shoreseaweedquadratchitonocean

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 Sciencewildlife monitoring wildlife monitoringfield work marinemarine marine biologyhorseshoe crabmarine biology horseshoe crab

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 ScienceAnimalsEcology & EnvironmentNature & Outdoorspictureoutdooroceanwashingtonshorelinecrabbeach walkmycoastmonitoringnaturalistbeachappapplemarineandroiddungenessscavenger huntinvasive species

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 crabmonitoringiphonecitizen-based monitoringappmonitornew york

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