crab.

within 25 miles

Apr 24, 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 & WeatherBiologyecologyrestorationhorseshoe crabmigrationwater monitoringmonitoringoystersurveyamerican eeleelbeachesnew hampshirecoastalsandgeologynew englandbeachmusselphenologywaterdunesphenologicalstewardshipdunecrabcoastspawning

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 & EnvironmentBiologyAnimalsfloridabeachtrainingsurveyhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcattus islandwoodsurvey123floridakeryn gedanmullica river estuarydroughtprime hook national wildlife refugedelmarva peninsulableached treesvirginia coast reservemaritime forestswampsawgrassmarylandsaltwaterdying treessouth carolinaecologynorth carolinageologyseawaterstumplow elevationsalt water intrusionwildfiresland conversiondying forestkilling treesnew jerseyblue crabregenerationriverbanktree deathsoilthe george washington universitymarsh migrationchanging shorelinetributariesspartina patensvirginiaforestphragmitesstormghost forestcoastal educationsalt tolerantstorymapsalt watersalineblack needle rushcedareast coastnew yorkchesapeake baygroundwatercoastalrising seasdead treestideglobal warmingsaltwater marshmarshsalt stressmarinewetlandsgedan labghosts of the coastestuarygeographysalt tolerant plantsmid atlanticcoastal marine ecologygeorgiaeastern shoresaltclimate changehurricanesaltwater marsheschanging landscapedelawaresweet gumfloodshorelinetidal inundationdisturbancecordgrasstree stumpblackwater national refugesapcoastal ecologysea level risepinedelaware baysomerset countyflooding

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabpicturebeach walk

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 & WeatherEducationsand crabsoceanmarinerocky intertidalintertidal monitoringrockystudentssandy beachintertidalteachersin oceanstidepoolrocky shoresinvertebratessand crabsandyalgae

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 & EnvironmentBiologyEducationoceanseaweedcrab.citizen sciencechitonmarineintertidalrocky shorelimpetnew zealandquadrat

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 marine wildlife monitoringhorseshoe crabmarine biologyfield work marine biology horseshoe crabmarinewildlife 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 & EnvironmentAnimalspictureandroidnaturalistappdungenessshorelinebeach walkbeachmycoastcraboutdoorinvasive specieswashingtonmonitoringoceanscavenger huntapplemarine

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 & EnvironmentBiologyAnimalscitizen-based monitoringapphorseshoe crabmonitoringmonitornew yorkcrab.iphone

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