crab.

within 25 miles

Apr 3, 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 & WeatherBiologywatersurveynew hampshirecoastaldunegeologyoystersandbeachesdunesecologyhorseshoe crabcoastmonitoringbeachmigrationwater monitoringphenologicalmusselnew englandeelphenologystewardshipamerican eelcrabspawningrestoration

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 & EnvironmentBiologyAnimalsbeachfloridahorseshoe crabsurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentpineregenerationsea level riseriverbankdelaware baywoodsalt water intrusionbleached treescoastalsalt tolerantforestblue crabland conversiongroundwatersaltcoastal educationsawgrassrising seasmarsh migrationclimate changenew jerseyfloodmarylandblackwater national refugeeast coastsomerset countysouth carolinafloodingdying forestmarinestorymapdroughtchanging landscapespartina patenssaltwatersweet gumsaltwater marsheastern shorekilling treesgeorgiacoastal ecologymid atlanticcedarvirginiacoastal marine ecologynorth carolinasalt stressshorelinedying treesprime hook national wildlife refugechanging shorelinenew yorkgedan lablow elevationdelawaredead treesphragmitestree stumptidal inundationwildfirescordgrassthe george washington universitysurvey123estuarydisturbanceblack needle rushseawatersalt watersapdelmarva peninsulatributariestree deathswampecologymullica river estuarycattus islandmaritime forestmarshfloridasalinekeryn gedanghosts of the coastsaltwater marshessoilhurricanevirginia coast reservegeologytidechesapeake baystumpstormsalt tolerant plantsghost forestglobal warmingwetlandsgeography

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturebeach walkhorseshoe 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 & WeatherEducationinvertebratesalgaeteacherstidepoolsand crabin oceanssand crabsrockyrocky shoresmarinesandy beachintertidalstudentsrocky intertidalintertidal monitoringoceansandy

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 & EnvironmentBiologyEducationnew zealandquadratseaweedmarinecrab.intertidalcitizen sciencechitonlimpetrocky shoreocean

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 Sciencemarine biology marine biologyfield workhorseshoe crab wildlife monitoringwildlife monitoring horseshoe crab marinemarine

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 & EnvironmentAnimalsscavenger huntappleinvasive speciesmycoastmonitoringcrabappdungenessoceanandroidpictureoutdoorbeachnaturalistbeach walkwashingtonmarineshoreline

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 & EnvironmentBiologyAnimalsmonitoringhorseshoe crabiphonecrab.appmonitornew yorkcitizen-based monitoring

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