crab.

within 25 miles

May 7, 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 & WeatherBiologyrestorationcoastphenologicalmonitoringcrabwateroysterdunephenologyeeldunesspawningamerican eelhorseshoe crabbeachsurveynew englandecologynew hampshiremigrationwater monitoringcoastalsandbeachesgeologymusselstewardship

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 & EnvironmentBiologyAnimalstrainingbeachhorseshoe crabsurveyflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentblackwater national refugegeorgiawetlandsstorymapnew yorkseawaterhurricanesalt stressmid atlanticgedan labcoastal ecologycoastalchanging landscapesalineeast coastdelaware baysaltwater marshkeryn gedanecologychesapeake bayestuaryfloodingmaritime forestdelmarva peninsulacedarsawgrassblue crabsweet gumdisturbancerising seasmullica river estuarybleached treestree deathmarshchanging shorelinestumpsapvirginiadying forestghost forestsouth carolinadead treeswoodtributariesfloridasomerset countyeastern shoretidal inundationcoastal educationfloodmarylandsaltclimate changethe george washington universitysalt tolerant plantsland conversionwildfireskilling treespinecoastal marine ecologyprime hook national wildlife refugesalt tolerantsalt water intrusionsalt watertree stumpforestshorelinecordgrassnew jerseymarsh migrationsaltwater marshessaltwatergeographyriverbankcattus islanddroughtblack needle rushtidesoilregenerationdying treesmarinesurvey123swampgeologyglobal warmingdelawareghosts of the coastphragmitesnorth carolinasea level riselow elevationgroundwatervirginia coast reservespartina patensstorm

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 & WeatherEducationintertidal monitoringrocky intertidaltidepooloceanmarineteacherssandy beachin oceansalgaesand crabsandysand crabsinvertebratesrocky shoresrockystudentsintertidal

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 sciencechitonintertidallimpetcrab.new zealandquadratoceanmarinerocky shoreseaweed

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 Sciencemarinemarine biology marine horseshoe crab wildlife monitoringwildlife monitoringhorseshoe crabfield work marine biology

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 & EnvironmentAnimalsandroidnaturalistmycoastmonitoringbeachapplecraboceanshorelinewashingtonbeach walkpictureappdungenessinvasive speciesmarinescavenger huntoutdoor

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 & EnvironmentBiologyAnimalshorseshoe crabmonitoringmonitorcitizen-based monitoringcrab.new yorkappiphone

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