crab.

within 25 miles

Sep 26, 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 & WeatherBiologynew hampshireeelnew englandecologyamerican eelgeologymusselspawningdunesstewardshipsandbeachescrabrestorationcoasthorseshoe crabwater monitoringwatersurveyphenologybeachmonitoringdunemigrationoystercoastalphenological

PEBL CIC (Plant Ecology Beyond Land)

FishSpotter

Identify UK marine species on seaweed and shellfish farm seabeds

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsspecies identificationunited kingdomfishmarine

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 & EnvironmentBiologyAnimalsbeachtraininghorseshoe crabfloridasurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentwildfiressaltwater marshkilling treesblack needle rushgroundwatersurvey123pineseawatersaltwatersalineblackwater national refugedelawarelow elevationmarylandshorelineregenerationfloridadying forestvirginia coast reservemarshsalt stresssoileast coastspartina patensmarineland conversioneastern shoredelaware baysomerset countysouth carolinariverbankcoastal ecologysapdroughtcoastaltree deathgeologysaltwater marshescordgrassnew yorkcoastal marine ecologybleached treesdisturbancegeographyrising seasdelmarva peninsulatree stumpcoastal educationmarsh migrationwooddead treesvirginiasalt water intrusiontributariescattus islandchanging shorelinewetlandstidemaritime forestsawgrasssalt watertidal inundationblue crabclimate changesalt tolerant plantsswampestuaryprime hook national wildlife refugekeryn gedanglobal warminggeorgiagedan labmid atlanticstorymapecologyfloodingdying treeshurricanesaltghosts of the coaststormnew jerseysea level risemullica river estuarychesapeake bayghost forestsweet gumforestcedarstumpchanging landscapephragmitesthe george washington universitysalt tolerantnorth carolinaflood

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 & WeatherEducationtidepoolmarinerocky shoressand crabsandyintertidalrockyalgaesand crabsstudentsoceaninvertebratesintertidal monitoringin oceansteacherssandy beachrocky 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 & EnvironmentBiologyEducationcitizen sciencerocky shoreseaweedoceanchitoncrab.new zealandmarinequadratlimpetintertidal

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 crabmarinewildlife monitoringmarine 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 & EnvironmentAnimalscrabwashingtonshorelinemycoastapplepicturebeach walkdungenessmonitoringoceanoutdoorinvasive speciesbeachandroidmarineappscavenger huntnaturalist

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