crab.

within 25 miles

Apr 1, 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 englandphenologyrestorationcoastecologycoastalgeologyphenologicalmonitoringcrabeelsandnew hampshiremigrationamerican eelduneoysterbeacheshorseshoe crabwater monitoringsurveymusselstewardshipbeachdunesspawningwater

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 crabbeachsurveyfloridatraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentwildfireswoodsalt stressgeologysalinecattus islandsawgrassforestestuarydying treeseast coaststorymapdelmarva peninsulamaritime forestvirginia coast reservephragmitesmid atlanticdead treeswetlandsdying forestcoastal marine ecologygedan labeastern shorekilling treesblackwater national refugeglobal warmingsalthurricanegeographystormkeryn gedancoastalvirginialow elevationcoastal educationcedartree deathtidal inundationsea level riseseawatertree stumpsalt watergeorgiasapsoilnorth carolinapinebleached treeschesapeake baymarylandsaltwater marshfloodnew jerseyclimate changedisturbancemarshecologyprime hook national wildlife refugesaltwater marshessouth carolinatidesalt tolerantmullica river estuarynew yorkswampsomerset countystumpsalt water intrusionblue crabcordgrassriverbankcoastal ecologymarsh migrationchanging shorelineland conversiondelaware baygroundwaterdelawaremarinedroughtfloridaregenerationfloodingsurvey123changing landscapesweet gumrising seasthe george washington universityghost forestspartina patenstributariessalt tolerant plantsghosts of the coastshorelineblack needle rushsaltwater

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 & 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 & WeatherEducationrocky shoressandy beachsand crabstudentsinvertebratesin oceanssandyalgaetidepooloceanrockyrocky intertidalintertidal monitoringteacherssand crabsmarineintertidal

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 & EnvironmentBiologyEducationoceanmarineseaweedquadratlimpetcrab.intertidalrocky shorechitoncitizen sciencenew 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 Science horseshoe crab marinewildlife monitoringfield work marine biologymarine biology wildlife monitoringhorseshoe 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 & EnvironmentAnimalsmycoastdungenessinvasive speciesshorelinecrabmonitoringoceanscavenger huntbeach walkoutdoorbeachapplepicturenaturalistandroidappmarinewashington

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 crabappnew yorkiphonemonitoringcitizen-based monitoringmonitorcrab.

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