crab.

within 25 miles

Apr 22, 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 & WeatherBiologyspawningnew hampshireecologymigrationeelgeologysandwaterbeachstewardshipbeachessurveycraboystermusseldunesnew englandphenologyhorseshoe crabwater monitoringcoastaldunecoastphenologicalamerican eelrestorationmonitoring

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 crabsurveyfloridatrainingbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenttideblackwater national refugekeryn gedanchanging shorelineeastern shoresalinecordgrasssalt tolerantmarylandhurricaneshorelinedelawarefloodwildfiresdroughtecologytree deathlow elevationgeologywetlandsclimate changesaltwater marshmullica river estuarysea level risegeorgiasomerset countystumpdead treesthe george washington universitygeographyfloodingbleached treeschanging landscapesawgrassphragmitesvirginiatidal inundationnew jerseysouth carolinaghost foresttree stumpcoastalkilling treescedarcoastal marine ecologydelmarva peninsulariverbanksoilghosts of the coastgedan labeast coastrising seassalt stressdying forestmid atlanticblack needle rushsalt waterspartina patensblue crabcoastal educationtributariespinemarsh migrationwooddying treesmarinecoastal ecologymarshland conversionregenerationcattus islandglobal warmingdisturbancedelaware baysapmaritime forestsalt water intrusionforeststorymapsalt tolerant plantssaltwater marshessaltswampgroundwatersaltwaterstormprime hook national wildlife refugeestuarysurvey123seawaternorth carolinachesapeake bayfloridanew yorksweet gumvirginia coast reserve

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe 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 & 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 & WeatherEducationtidepoolalgaesandysand craboceanmarinerocky intertidalintertidalstudentsrockyinvertebratessand crabssandy beachin oceansteachersrocky shoresintertidal 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 & EnvironmentBiologyEducationoceanmarineseaweednew zealandcrab.rocky shorequadratchitonintertidalcitizen sciencelimpet

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 Sciencemarinefield work marine biology horseshoe crabmarine biology marine wildlife monitoringwildlife monitoringhorseshoe 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 & EnvironmentAnimalsmonitoringscavenger huntinvasive speciespicturenaturalistmarineapplebeach walkmycoastandroidwashingtoncrabdungenessoceanshorelinebeachappoutdoor

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 & EnvironmentBiologyAnimalsnew yorkmonitorcitizen-based monitoringhorseshoe crabcrab.iphoneappmonitoring

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