crab.

within 25 miles

Mar 25, 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 & WeatherBiologysurveyhorseshoe crabbeachwaterphenologydunesamerican eelcoastmigrationcoastalspawningwater monitoringbeachessandstewardshipoysterdunerestorationecologygeologyeelcrabmusselnew englandnew hampshirephenologicalmonitoring

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 & EnvironmentBiologyAnimalshorseshoe crabtrainingfloridabeachsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentpinedying treesstorymapcoastal ecologytidefloridaspartina patensforesthurricaneblackwater national refugestumpsalinesaltwater marshsalt water intrusionchanging landscapesaltwater marsheskeryn gedanphragmitesfloodsoilblack needle rushsea level risesalt tolerant plantsdelawareclimate changewetlandscoastal marine ecologytributariesthe george washington universitygeologyrising seassaltwatertree stumpstormnew jerseyblue crabcoastalsalt waternew yorkmid atlanticchanging shorelineregenerationsweet gumgedan labestuarymarshmullica river estuaryghosts of the coastsouth carolinaswampkilling treescordgrassvirginiashorelinelow elevationdead treescattus islandtidal inundationwildfiressalt tolerantsalt stressmarinedelaware baychesapeake baymarsh migrationcoastal educationseawatergeorgiasaltvirginia coast reserveeast coastsawgrassmarylandprime hook national wildlife refugeecologygeographyland conversionsapdelmarva peninsulaeastern shorebleached treesdisturbancegroundwaterdying forestsurvey123floodingnorth carolinariverbankwoodglobal warmingdroughtsomerset countycedarmaritime forestghost foresttree death

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 & WeatherEducationsandytidepoolinvertebratessandy beachteachersrocky shoressand crabsoceanmarinerockysand crabstudentsin oceansalgaerocky intertidalintertidalintertidal monitoring

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 & EnvironmentBiologyEducationlimpetnew zealandseaweedmarinecrab.intertidaloceanquadratrocky shorecitizen sciencechiton

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 marine biologyfield work marine horseshoe crabmarinehorseshoe crab wildlife monitoringmarine 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 & EnvironmentAnimalscraboceanandroidbeach walkapplebeachmycoastmarinenaturalistpicturewashingtonappmonitoringscavenger huntoutdoorshorelinedungenessinvasive 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 monitoringnew yorkappmonitormonitoringhorseshoe crabiphonecrab.

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