crab.

within 25 miles

Mar 17, 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 & WeatherBiologycoastmigrationphenologyspawningmonitoringrestorationmusselwater monitoringbeachcoastalphenologicalcrabsandnew englandgeologyoystersurveyhorseshoe crabstewardshipeeldunewaterdunesamerican eelecologynew hampshirebeaches

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 & EnvironmentBiologyAnimalsfloridabeachhorseshoe crabsurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmarsh migrationsalt tolerantpinenew jerseygroundwaterriverbanksaltwater marshesdelawaredelmarva peninsulavirginiarising seasdying treesshorelinesawgrassstormsweet gumcoastal ecologyecologyswampthe george washington universitygeologynorth carolinasalt watercoastal educationstorymapmarylandwetlandstree deathvirginia coast reservetidal inundationcedarspartina patenssaltwaterregenerationnew yorkdroughtfloodingcattus islandseawaterblack needle rushglobal warmingtree stumpdead treesdelaware bayprime hook national wildlife refugecordgrassdisturbancehurricanephragmitessoilcoastalmaritime forestsalt stresssomerset countymarinegeographysaltmarshsaltwater marshgedan labfloridachanging landscapeeastern shorekilling treessalineclimate changewoodblackwater national refugeland conversionchesapeake baysouth carolinamullica river estuarycoastal marine ecologymid atlanticdying forestsalt tolerant plantsblue crabghosts of the coastestuarysurvey123salt water intrusionbleached treeskeryn gedansapeast coastghost forestwildfirestidefloodsea level riselow elevationforestgeorgiastumptributarieschanging shoreline

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture

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 & WeatherEducationtidepoolinvertebratesalgaerocky intertidalsand crabsmarinein oceanssand craboceanstudentsintertidalintertidal monitoringrocky shoresteachersrockysandy beachsandy

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 & EnvironmentBiologyEducationseaweedrocky shoreintertidalmarinequadratlimpetcitizen sciencecrab.new zealandoceanchiton

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 Science wildlife monitoringwildlife monitoring marine biology marinemarine biologyhorseshoe crab horseshoe crabmarinefield work

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 & EnvironmentAnimalsdungenessmarineapplecrabbeach walkwashingtonshorelineoutdoormonitoringmycoastpictureinvasive speciesbeachoceannaturalistscavenger huntappandroid

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 & EnvironmentBiologyAnimalshorseshoe crabappmonitoringiphonecitizen-based monitoringcrab.new yorkmonitor

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