crab.

within 25 miles

Dec 28, 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 & WeatherBiologyphenologicalhorseshoe crabsurveynew hampshiremigrationcoastwater monitoringcoastalgeologyecologydunesamerican eelspawningphenologyrestorationdunemusselwaterbeachstewardshipeelcrabsandoysternew englandbeachesmonitoring

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 & EnvironmentBiologyAnimalsbeachhorseshoe crabfloridasurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentglobal warmingforestmaritime forestsapland conversioncoastal ecologyvirginiaprime hook national wildlife refugemarsh migrationtree stumpsea level riseregenerationsawgrassseawatervirginia coast reservetidal inundationstormsomerset countydying forestmarineshorelinedying treespinecoastal marine ecologytree deathstumpgeographysalinewildfirestidecoastaldelaware baygeorgiasouth carolinaswampsaltsalt waterphragmiteswoodhurricaneblackwater national refugesalt tolerantbleached treeskeryn gedancordgrassdroughtsalt stresscedarcattus islandeast coastlow elevationdead treeswetlandsblue crabsweet gumtributariesnew yorkfloridaclimate changegedan labkilling treesmarylandfloodingsalt water intrusionsaltwaterblack needle rushghosts of the coastnew jerseydisturbancesalt tolerant plantssurvey123spartina patensestuaryrising seasmid atlanticthe george washington universityfloodmarshnorth carolinaecologygroundwatergeologysaltwater marshchesapeake baychanging landscapecoastal educationdelawaredelmarva peninsulachanging shorelinemullica river estuarysoileastern shoreriverbankstorymapsaltwater marshesghost forest

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabpicturebeach 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 & 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 & WeatherEducationrockyintertidaltidepoolsand crabrocky shoressandyinvertebratessand crabsrocky intertidalintertidal monitoringalgaeteachersstudentsoceanin oceanssandy beachmarine

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 & EnvironmentBiologyEducationchitonintertidalmarineseaweedoceanquadratcitizen sciencenew zealandlimpetcrab.rocky 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 wildlife monitoringmarinewildlife monitoringmarine biology marine biology marinehorseshoe crab horseshoe crabfield work

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 & Outdoorsshorelineinvasive speciesdungenesswashingtonmarinescavenger huntmycoastbeach walkoutdoorcrabmonitoringbeachappleoceannaturalistappandroidpicture

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 monitoringcrab.monitoriphoneapphorseshoe crabnew yorkmonitoring

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