crab.

within 25 miles

Apr 25, 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 & WeatherBiologyspawningmigrationgeologybeachecologycoastaloysterphenologymusselcoastbeachessandphenologicaldunesnew englanddunecrabstewardshiprestorationmonitoringnew hampshireeelwaterhorseshoe crabwater monitoringamerican eelsurvey

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 & EnvironmentBiologyAnimalshorseshoe crabsurveytrainingfloridabeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmid atlanticcoastal marine ecologydead treeskilling treesgeographymarshtributariestidal inundationsoilregenerationfloodingsapcoastalpinechanging shorelinesaltwater marshdelaware baykeryn gedanecologyvirginiariverbankglobal warmingmarsh migrationblack needle rushphragmitestidemullica river estuaryhurricanedying treesstumpsalt tolerantsouth carolinaeastern shoresurvey123wildfiresnew yorkrising seasestuaryvirginia coast reservesawgrasssaltwaternorth carolinafloridachanging landscapenew jerseysalt water intrusionsalinecoastal educationgedan labfloodeast coastdroughtghosts of the coastgroundwaterdying forestdelmarva peninsulastormseawaterland conversiongeorgiasalt tolerant plantsdelawareghost forestcoastal ecologycordgrassdisturbancemaritime forestthe george washington universitywetlandssomerset countymarylandsweet gumsaltwater marshesbleached treeswoodsalt watersea level riseprime hook national wildlife refugetree stumptree deathgeologyblue crabsalt stresschesapeake bayswampclimate changesaltstorymapcedarblackwater national refugelow elevationcattus islandmarinespartina patensshorelineforest

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

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 & WeatherEducationsand crabin oceansintertidaltidepoolsandy beachrocky shoresrocky intertidalteachersoceansandyintertidal monitoringrockymarineinvertebratesstudentsalgaesand crabs

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 & EnvironmentBiologyEducationcrab.limpetseaweedcitizen sciencenew zealandchitonrocky shorequadratintertidaloceanmarine

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 horseshoe crabfield work wildlife monitoringwildlife monitoring marine marine biologyhorseshoe crabmarine

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 & EnvironmentAnimalsbeachscavenger huntoutdoorwashingtonpictureappnaturalistshorelinemycoastoceanmarinedungenessmonitoringandroidappleinvasive speciesbeach walkcrab

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 yorkcitizen-based monitoringcrab.apphorseshoe crabmonitoringmonitoriphone

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