crab.

within 25 miles

Jan 12, 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 & WeatherBiologysurveymigrationmusselstewardshiprestorationcoastduneoysteramerican eelphenologydunesspawningmonitoringecologycrabbeacheelbeacheswaternew englandhorseshoe crabsandnew hampshirewater monitoringcoastalphenologicalgeology

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 & EnvironmentBiologyAnimalsfloridahorseshoe crabtrainingbeachsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentrising seasdroughtcoastalsouth carolinaswampmarsh migrationsweet gumtidal inundationvirginia coast reservegeographyecologyglobal warmingblackwater national refugefloridaghost forestsaltforestphragmitescoastal educationgroundwatercattus islandprime hook national wildlife refugegeologyland conversionmaritime forestcoastal marine ecologystormchanging shorelineseawaterchesapeake baymullica river estuaryhurricanesomerset countymarinekilling treeslow elevationsalt tolerant plantsmid atlanticshorelinestumpsalt stressmarshtree deathblack needle rushwetlandsmarylandsawgrassthe george washington universitysurvey123georgiaeast coastriverbankvirginiafloodsalt water intrusioncordgrasskeryn gedantributariesstorymapsaltwater marshsea level riseregenerationspartina patenswildfirescedarestuarypinedelaware baysaltwater marshessalinedead treessalt watertree stumpnorth carolinadying forestblue crabsaltwatertidedelawareghosts of the coastclimate changesoilgedan labeastern shoredying treescoastal ecologydelmarva peninsulachanging landscapebleached treesnew yorksalt tolerantnew jerseysapdisturbancewoodflooding

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture

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 & WeatherEducationin oceanssandyteachersoceanrocky intertidalinvertebratessand crabsrocky shoressandy beachmarinerockyalgaesand crabintertidalstudentstidepoolintertidal 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 & EnvironmentBiologyEducationrocky shorecrab.intertidalchitonseaweedcitizen sciencemarinenew zealandoceanquadratlimpet

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 marinemarine biologyfield work wildlife monitoringmarinehorseshoe crab marine biologywildlife monitoring horseshoe crab

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 & EnvironmentAnimalsoutdoorappshorelinebeach walkdungenessmonitoringscavenger huntwashingtonappleandroidmarinemycoastbeachinvasive speciesoceanpicturenaturalistcrab

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 & EnvironmentBiologyAnimalsmonitoringmonitorcitizen-based monitoringappcrab.iphonenew yorkhorseshoe crab

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