crab.

within 25 miles

Feb 15, 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 & WeatherBiologyrestorationstewardshipamerican eeldunecoastmusselphenologyeelbeachoystersurveysandnew englandphenologicalbeacheswaterhorseshoe crabdunescrabnew hampshiremigrationspawningmonitoringwater monitoringcoastalgeologyecology

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 & EnvironmentBiologyAnimalsfloridasurveytrainingbeachhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenttidal inundationsomerset countysapsouth carolinaghost forestlow elevationwildfiresmid atlanticseawatersaltwater marshestuarymarylandwetlandssea level risedisturbancecedardead treesmaritime foresteast coastsalt tolerantstorymapblackwater national refugesoilphragmitesvirginiaforestdying foresttiderising seassaltwaterhurricaneswampchanging landscapekilling treesdroughtcoastal ecologyblack needle rushpinewoodtree deathghosts of the coastsurvey123marsh migrationregenerationsaltwater marshesbleached treesthe george washington universitycoastalsweet gumspartina patensgeographygroundwaterfloodingeastern shorecattus islandriverbankvirginia coast reserveland conversionsalineglobal warmingsaltmarshdelmarva peninsulamullica river estuaryclimate changesalt tolerant plantsfloodcoastal marine ecologyfloridanew jerseyprime hook national wildlife refugenorth carolinablue crabshorelinesalt stressgedan labecologydying treessalt water intrusiongeorgiasawgrasskeryn gedantributariestree stumpstumpnew yorkgeologymarinechanging shorelinecoastal educationchesapeake baydelaware baystormcordgrasssalt waterdelaware

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

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 & WeatherEducationstudentsrockyalgaesand crabsteachersrocky shoresrocky intertidalintertidalin oceanssandytidepoolsandy beachmarineoceaninvertebratesintertidal monitoringsand crab

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 & EnvironmentBiologyEducationcrab.seaweedmarinelimpetnew zealandchitoncitizen scienceintertidalrocky shoreoceanquadrat

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 Sciencefield workwildlife monitoring marinehorseshoe crabmarine biologymarine horseshoe crab marine biology wildlife 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 & EnvironmentAnimalsapplepicturenaturalistmonitoringdungenessappbeachinvasive speciesmycoastoceanandroidscavenger huntmarinewashingtoncraboutdoorshorelinebeach walk

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 yorkapphorseshoe crabmonitoriphonemonitoringcrab.

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