crab.

within 25 miles

Feb 5, 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 & WeatherBiologyphenologicalnew englandcrabeelmonitoringmusselsandwater monitoringoysterrestorationnew hampshirespawningstewardshipdunemigrationdunesamerican eelbeachwaterbeachesecologyhorseshoe crabcoastgeologyphenologycoastalsurvey

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 & EnvironmentBiologyAnimalstrainingfloridabeachhorseshoe crabsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentblue crabsurvey123geographygedan labdying treeswoodsoildelmarva peninsulaestuarydisturbanceprime hook national wildlife refugebleached treesmullica river estuarycoastaltributarieschanging shorelinevirginia coast reservechesapeake bayspartina patensshorelinefloridamaritime forestpinemarylandsalt water intrusionkeryn gedanblackwater national refugesaltwater marshessweet gumecologysea level risestorymapregenerationwildfiresrising seasghosts of the coastnew jerseytree deathforestnew yorksawgrassmid atlanticsalt watercoastal ecologyseawatercoastal marine ecologymarshnorth carolinastumpsaltwatersapphragmitescattus islandcoastal educationtree stumpfloodsouth carolinasalt stressswampfloodingsaltdying forestsaltwater marshgeorgiaglobal warmingghost forestvirginiasalineblack needle rushdroughtcordgrassthe george washington universityhurricanestormdead treeslow elevationtidal inundationsomerset countychanging landscapetidemarineeastern shoregeologyeast coastland conversionriverbankmarsh migrationkilling treeswetlandsdelaware baysalt tolerant plantsdelawaresalt tolerantgroundwatercedarclimate change

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 & 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 & WeatherEducationalgaetidepoolrocky intertidalteacherssand crabssandyin oceansintertidalinvertebratessandy beachintertidal monitoringrocky shoressand crabstudentsmarinerockyocean

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 sciencequadratnew zealandseaweedrocky shorechitonoceanintertidallimpetcrab.marine

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 biology horseshoe crabfield work wildlife monitoringmarine biologyhorseshoe crabwildlife monitoringmarine marine

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 & EnvironmentAnimalsdungenessoceanappleinvasive speciesmycoastcrabnaturalistshorelinebeachmonitoringandroidscavenger huntappbeach walkoutdoormarinewashingtonpicture

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 & EnvironmentBiologyAnimalsapphorseshoe crabcrab.iphonemonitoringmonitornew yorkcitizen-based monitoring

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