crab.

within 25 miles

Jan 31, 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 & WeatherBiologygeologycoastsurveydunebeachspawningnew hampshiremigrationwaterrestorationhorseshoe crabeelmusselnew englandamerican eelbeachesphenologicalsandmonitoringecologycoastalstewardshipwater monitoringcrabdunesphenologyoyster

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 & EnvironmentBiologyAnimalstrainingsurveyhorseshoe crabbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentfloodsaltwater marshesseawaterdelaware bayprime hook national wildlife refugesalt water intrusionblack needle rushclimate changeblackwater national refugesalt stressgeologycoastalsalt tolerant plantsghosts of the coastshorelinenew jerseyregenerationdisturbancenorth carolinacoastal ecologykeryn gedanfloodingsomerset countysoilsea level risedying forestdelmarva peninsulachanging shorelineestuarymarsheastern shoresaltghost forestecologywildfirespineblue crabglobal warmingsaltwaterstormwetlandsswampvirginia coast reserveeast coastmaritime foresttidesweet gumriverbankmarylandtidal inundationgroundwaterforestlow elevationgeorgiakilling treescattus islandstorymapbleached treessapstumpdead treesfloridaspartina patenssalt watersaltwater marshmarsh migrationland conversionthe george washington universitytree deathtributariessurvey123droughtdying treeshurricanemid atlanticsouth carolinageographysalt tolerantgedan labvirginiatree stumpchanging landscapesawgrassdelawarecordgrassmullica river estuaryphragmiteschesapeake baycoastal marine ecologycoastal educationmarinecedarsalinenew yorkrising seaswood

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 & WeatherEducationsand crabsstudentsoceaninvertebratesintertidalrocky shoressand crabsandyin oceansalgaeteacherstidepoolintertidal monitoringrocky intertidalsandy beachrockymarine

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 & EnvironmentBiologyEducationseaweedintertidalcrab.new zealandchitonoceanmarinequadratlimpetcitizen 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 Sciencemarine biologywildlife monitoringmarine marine horseshoe crab marine biologyfield work wildlife monitoringhorseshoe 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 ScienceNature & OutdoorsEcology & EnvironmentAnimalspicturenaturalistoutdoormycoastappledungenesscraboceanscavenger huntbeach walkmarineandroidmonitoringappinvasive speciesbeachshorelinewashington

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 & EnvironmentBiologyAnimalshorseshoe crabcitizen-based monitoringmonitoringiphonemonitornew yorkappcrab.

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