crab.

within 25 miles

May 16, 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 & WeatherBiologyphenologyphenologicalspawningsurveycoastgeologydunesbeacheelamerican eeloysterwatersandnew hampshiremonitoringnew englandhorseshoe crabstewardshipcrabmigrationwater monitoringmusseldunebeachesrestorationecologycoastal

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 & EnvironmentBiologyAnimalssurveytrainingbeachfloridahorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentfloridageographytributariesgedan labswampfloodmaritime forestcoastal educationchanging shorelineprime hook national wildlife refugesalt tolerantdead treesdelaware bayblackwater national refugesaltwater marshsomerset countytree deathdelmarva peninsulasalinedying forestecologyspartina patensdying treesvirginia coast reservesalt tolerant plantswildfiressurvey123marinenew yorkcordgrasssoilmid atlanticblack needle rushcattus islandtidal inundationsaltwater marshessouth carolinasalt stresssawgrasscoastalsaltchesapeake bayglobal warmingsea level risenew jerseyvirginiaghost forestnorth carolinasalt waterstumpblue crabghosts of the coasteast coasthurricanestormkeryn gedanriverbankclimate changeeastern shorechanging landscapephragmitesfloodingdisturbancekilling treesestuarymullica river estuarytidesweet gumcedarstorymaplow elevationtree stumppinebleached treesrising seasland conversiondroughtgroundwatershorelineforestwoodsaltwaterwetlandsregenerationgeologysalt water intrusionsapdelawarecoastal marine ecologyseawatergeorgiathe george washington universitymarshcoastal ecologymarsh migrationmaryland

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe crab

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 & WeatherEducationintertidalin oceansoceansandy beachinvertebratesalgaestudentssandyteachersrocky intertidaltidepoolintertidal monitoringsand crabmarinesand crabsrockyrocky shores

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 & EnvironmentBiologyEducationrocky shoreseaweedquadratlimpetnew zealandcitizen sciencecrab.chitonoceanintertidalmarine

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 marinemarine biology marine biologyfield work wildlife monitoring horseshoe crabhorseshoe crabmarinewildlife 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 & EnvironmentAnimalsappmarineoutdoormycoastoceanscavenger huntandroiddungenessbeachbeach walkpicturewashingtoninvasive speciesmonitoringnaturalistcrabshorelineapple

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 monitoringhorseshoe crabcrab.iphonemonitoringmonitornew yorkapp

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