crab

within 25 miles

Sep 13, 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 & WeatherBiologysandmusselnew englandcrabamerican eelmigrationsurveydunesphenologicalspawninghorseshoe crabphenologydunemonitoringbeacheelwater monitoringwateroysterstewardshipbeachescoastalnew hampshirecoastgeologyrestorationecology

PEBL CIC (Plant Ecology Beyond Land)

FishSpotter

Identify UK marine species on seaweed and shellfish farm seabeds

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsspecies identificationmarinefishunited kingdom

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 & EnvironmentBiologyAnimalstraininghorseshoe crabsurveybeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentpinedisturbancesea level risetidal inundationchanging landscapeprime hook national wildlife refugeland conversioncoastal marine ecologyvirginia coast reservetributariesclimate changenew jerseyshorelineecologymullica river estuarysalt stressseawaterchanging shorelinegeorgiadelmarva peninsulamarinethe george washington universityghost forestsaltwater marshesnorth carolinasalt waterchesapeake bayhurricanebleached treeswoodgedan labrising seasfloodsouth carolinablackwater national refugesalt toleranteastern shoregroundwaterstorymapphragmitescoastal educationstormsaltwater marshsawgrassregenerationsaltwatersomerset countysalt tolerant plantskilling treesmarsheast coasttree deathnew yorktidesaltdying forestmarsh migrationghosts of the coastcordgrasslow elevationdelawaresalt water intrusionvirginiasoilmid atlanticsurvey123floridadelaware baytree stumpgeologysalineblue crabstumpgeographykeryn gedancattus islandsapmarylandwetlandscoastal ecologycedarsweet gumblack needle rushwildfiresdroughtdead treesfloodingswampforestestuarydying treesglobal warmingmaritime forestriverbankspartina patenscoastal

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe 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 & WeatherEducationinvertebratesalgaeintertidal monitoringin oceansstudentsrocky shoresrockyoceansandy beachsand crabteacherssandyintertidalsand crabstidepoolmarinerocky intertidal

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 & EnvironmentBiologyEducationrocky shoremarinequadratoceancitizen sciencechitonlimpetseaweedcrab.intertidalnew zealand

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 Sciencefield workhorseshoe crabwildlife monitoringmarinemarine biology

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 & EnvironmentAnimalsandroidmycoastmarineappleappdungenesswashingtonscavenger huntmonitoringcrabbeach walkbeachshorelinepictureinvasive speciesoceannaturalistoutdoor

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