crab.

within 25 miles

Feb 26, 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 & WeatherBiologysandoystercoastcoastalgeologydunesmigrationmonitoringphenologicalsurveywatermusselamerican eeldunenew englandbeachescrabrestorationecologyspawninghorseshoe crabbeachphenologynew hampshirewater monitoringeelstewardship

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 crabbeachsurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsapland conversionflooddead treessalt tolerantgeologystorymapsalt waterdelaware baysalt tolerant plantssweet gumeastern shorestumpdelmarva peninsulawildfiresregenerationcoastal ecologycoastal marine ecologyfloodingprime hook national wildlife refugethe george washington universitymarshdroughtvirginia coast reserveriverbankmarylandsaltwater marshtributariesestuaryglobal warmingsaltmaritime forestrising seastree deathblackwater national refugenew yorkdelawaresurvey123marsh migrationmarinesalinenorth carolinadisturbancecoastalphragmitescoastal educationdying treessomerset countyghost forestswampchanging shorelinebleached treeskilling treeshurricanemullica river estuaryecologygeorgiatidecedarstormvirginiamid atlantictidal inundationlow elevationsalt stressspartina patensnew jerseyfloridacattus islandcordgrasssoilsalt water intrusionkeryn gedanshorelinegeographygedan labtree stumpchesapeake baydying forestchanging landscapegroundwatereast coastpinewoodsaltwatersawgrassghosts of the coastsea level riseseawatersaltwater marshesblue crabforestwetlandsclimate changesouth carolinablack needle rush

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 & 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 & WeatherEducationteacherssandy beachmarinestudentsalgaesand crabssand crabinvertebratesrocky shoresrocky intertidalin oceansintertidalintertidal monitoringsandyrockyoceantidepool

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 scienceintertidalcrab.rocky shorelimpetmarineoceanseaweednew zealandchitonquadrat

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 Sciencemarinehorseshoe crab wildlife monitoringmarine biology marine marine biologyfield work horseshoe crabwildlife 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 & EnvironmentAnimalscrabscavenger huntoutdoorbeachinvasive speciesbeach walkmonitoringoceanpicturenaturalistappleandroidappshorelinedungenessmycoastmarinewashington

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 yorkcrab.iphonecitizen-based monitoringhorseshoe crabappmonitormonitoring

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