crab.

within 25 miles

Apr 20, 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 & WeatherBiologystewardshipmonitoringwater monitoringamerican eelnew englandbeachdunesnew hampshirecrabwatereelspawningdunecoastalmigrationhorseshoe crabecologygeologyphenologysurveysandbeachesoystercoastrestorationmusselphenological

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 & EnvironmentBiologyAnimalsbeachhorseshoe crabsurveyfloridatraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentglobal warmingsoilmarinekeryn gedandisturbancephragmitessalt tolerant plantswoodtree deathdead treesthe george washington universitypinedroughtcordgrassrising seassea level riseclimate changehurricaneblack needle rushghosts of the coastdelaware baysalt stresswetlandssalt watersawgrassmarylandsurvey123dying treesnorth carolinafloridamullica river estuaryswampkilling treesland conversionstormprime hook national wildlife refugeestuarygeorgiasalineforesttree stumpcattus islandcoastal ecologymid atlanticregenerationeast coastblue crabblackwater national refugedying forestmaritime forestdelmarva peninsulavirginiasomerset countytributariesbleached treesgeographyeastern shoredelawareghost forestgroundwatercoastal marine ecologywildfiresriverbanksalt tolerantfloodinggedan labchesapeake baysalt water intrusionecologycoastal educationsweet gummarshsapsaltwater marshessaltsouth carolinachanging shorelinespartina patensmarsh migrationcoastalsaltwater marshtidenew yorkgeologycedarlow elevationfloodshorelinestorymapstumptidal inundationsaltwaterseawaterchanging landscapevirginia coast reservenew jersey

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 & WeatherEducationrockyrocky intertidalinvertebratesalgaestudentsintertidal monitoringteachersmarineoceantidepoolintertidalrocky shoressand crabssandysand crabin oceanssandy beach

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 & EnvironmentBiologyEducationoceanchitoncitizen sciencelimpetcrab.rocky shorequadratmarineintertidalnew zealandseaweed

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 Sciencehorseshoe crabwildlife monitoring marinemarinefield work marine biology wildlife monitoringmarine biology horseshoe 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 & EnvironmentAnimalsmycoastoceanpicturewashingtonshorelinecrabandroidappbeach walkappledungenessmonitoringscavenger huntbeachmarinenaturalistoutdoorinvasive species

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 yorkhorseshoe crabcrab.monitormonitoringappcitizen-based monitoringiphone

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