crab.

within 25 miles

Apr 27, 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 hampshiregeologymonitoringcoastmigrationdunecoastaleelsandamerican eeloystersurveywater monitoringmusselstewardshipbeacheswaterrestorationnew englandcrabspawningbeachecologyhorseshoe crabphenologyphenologicaldunes

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 & EnvironmentBiologyAnimalssurveyhorseshoe crabbeachtrainingflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentnew yorktree stumpsawgrassblackwater national refugemullica river estuarymarshghost forestsea level riseprime hook national wildlife refugecoastal ecologydelmarva peninsulafloodsalinedead treestree deathgeorgianorth carolinakeryn gedanmarinespartina patenseast coastphragmiteslow elevationmaritime forestwildfiresriverbankland conversionmid atlanticrising seasestuarysalt waterswampdroughtstumpcedarcoastal educationsaltwaterblack needle rushchesapeake bayvirginia coast reserveseawatercoastalforestclimate changeghosts of the coastsaltwater marshbleached treeswoodtributariesthe george washington universityfloridadying forestregenerationsaltecologymarylandgeographydelawaresouth carolinasoilcordgrassgeologyblue crabstormglobal warmingsomerset countymarsh migrationtidal inundationwetlandsshorelinechanging shorelinecattus islandnew jerseyhurricanesaltwater marshesdelaware baysalt tolerantstorymapsalt tolerant plantscoastal marine ecologydying treessapchanging landscapekilling treessalt stressgedan labgroundwatersurvey123pinetidefloodingdisturbanceeastern shoresalt water intrusionvirginiasweet gum

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 & WeatherEducationsand crabalgaesandyintertidal monitoringrocky shoressand crabssandy beachmarineteachersrocky intertidalintertidalstudentsin oceansoceantidepoolrockyinvertebrates

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 & EnvironmentBiologyEducationcitizen scienceintertidaloceanrocky shoreseaweedmarinequadratcrab.new zealandchitonlimpet

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 monitoring horseshoe crabfield workhorseshoe crab marinemarine marine biologymarine biologywildlife 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 & EnvironmentAnimalsappbeachapplepictureandroidscavenger huntmonitoringshorelinemarinecrabdungenessoceanmycoastwashingtonoutdoorbeach walknaturalistinvasive 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 & EnvironmentBiologyAnimalscitizen-based monitoringiphonecrab.monitornew yorkhorseshoe crabappmonitoring

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