crab.

within 25 miles

Feb 13, 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 & WeatherBiologygeologyecologycoastphenologydunebeacheswateroystermusseldunessurveyeelphenologicalstewardshipnew englandamerican eelrestorationmonitoringspawningcrabhorseshoe crabbeachnew hampshiremigrationsandwater monitoringcoastal

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 & EnvironmentBiologyAnimalsbeachfloridasurveytraininghorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentbleached treesgroundwaterchanging shorelinenew jerseysoildisturbancetidesalt water intrusionsaltwatertidal inundationthe george washington universitysomerset countysaplow elevationghost forestrising seaskilling treespinecattus islandtree stumpblackwater national refugehurricanesalt watermid atlanticdelmarva peninsulavirginiafloodforeststormestuaryphragmitessea level riseeastern shoredelawareeast coastsalt stresssweet gumprime hook national wildlife refugenorth carolinatributariesfloodingwoodgedan labcedarfloridatree deathcordgrassmarylandwetlandssalt tolerantdying treessaltwater marshesseawatercoastalclimate changechesapeake baysurvey123swampmarshchanging landscapeecologysawgrasssouth carolinamaritime forestkeryn gedansalinedelaware baydying forestmullica river estuarymarinegeographysalt tolerant plantsdead treesglobal warmingnew yorkstumpblue crabshorelinecoastal ecologycoastal marine ecologywildfiresvirginia coast reservesaltmarsh migrationstorymapsaltwater marshland conversiongeorgiaspartina patensriverbankcoastal educationdroughtregenerationblack needle rushgeologyghosts of the coast

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturebeach walkhorseshoe 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 & WeatherEducationsand crabsstudentsmarinesandy beachrockyoceanrocky shoresintertidal monitoringin oceanssandytidepoolalgaeintertidalteachersrocky intertidalinvertebratessand 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 & EnvironmentBiologyEducationoceanlimpetquadratcrab.citizen sciencerocky shorechitonnew zealandseaweedmarineintertidal

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 Sciencehorseshoe crabfield work marine marine biology horseshoe crab wildlife monitoringmarinemarine 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 & EnvironmentAnimalsbeach walkmonitoringapppicturedungenessapplemarinebeachandroidshorelineoutdoorinvasive speciesoceanwashingtonnaturalistcrabmycoastscavenger hunt

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 & EnvironmentBiologyAnimalsappiphonecitizen-based monitoringmonitoringmonitorhorseshoe crabnew yorkcrab.

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