crab.

within 25 miles

May 20, 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 & WeatherBiologyeelphenologymusselwatersurveybeachstewardshipoysternew englandecologyduneshorseshoe crabbeachesmigrationwater monitoringgeologyamerican eelspawningcoastalcrabsandnew hampshirerestorationphenologicalcoastmonitoringdune

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 & EnvironmentBiologyAnimalsbeachsurveytrainingfloridahorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentblack needle rushwoodsea level risehurricanefloodchanging shorelineblue crabghosts of the coastfloridamarsh migrationsweet gumsalt tolerant plantsdelawareriverbanknorth carolinatributariesmid atlanticsaltwater marshesmarylandthe george washington universitycoastal ecologycoastal marine ecologysomerset countygeographysoilclimate changeglobal warminggroundwatersaltdelaware baytidesalt water intrusiontree deathestuarysaptidal inundationspartina patensdead treestree stumpcoastalsalt waterdying treesnew yorksalt stresslow elevationkilling treesnew jerseycattus islandgeorgiaprime hook national wildlife refugemullica river estuarydying forestgedan labmarshrising seaspinevirginiacedarseawaterstorymapchanging landscapesurvey123coastal educationdisturbancemarineecologydelmarva peninsulasalinesawgrasschesapeake baysaltwater marshsouth carolinableached treesswampphragmiteseastern shoredroughtgeologyshorelineghost foreststormeast coastkeryn gedanregenerationsaltwatersalt tolerantvirginia coast reserveblackwater national refugemaritime foreststumpcordgrassland conversionwildfiresforestwetlandsflooding

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach 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 & WeatherEducationtidepoolrocky shoresstudentsrocky intertidalintertidalrockyintertidal monitoringsand crabinvertebratessand crabssandy beachalgaesandyteachersoceanin oceansmarine

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 & EnvironmentBiologyEducationmarineintertidalseaweedcrab.new zealandchitonlimpetcitizen sciencerocky shoreoceanquadrat

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 horseshoe crabmarine biologyfield work marinehorseshoe 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 & EnvironmentAnimalsnaturalistoutdoorappmycoastpictureshorelinemonitoringandroidscavenger huntapplemarinebeachoceandungenesswashingtoninvasive 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 yorkmonitorappcrab.iphonehorseshoe crabmonitoringcitizen-based monitoring

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