crab.

within 25 miles

Jan 23, 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 & WeatherBiologybeachescoastalgeologydunessandecologyhorseshoe crabwater monitoringrestorationamerican eelwatersurveyoysterspawningstewardshipcoastnew hampshireeelmigrationdunephenologymusselbeachphenologicalcrabmonitoringnew england

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 crabbeachfloridasurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcoastal ecologytidesurvey123eastern shoredelawarenew yorkgeorgiaecologysouth carolinadead treesgeologycoastal educationmarshtree deathspartina patensbleached treessalt stresscattus islanddisturbanceghosts of the coastsawgrassriverbanksapdelaware baymarylandblue crabcoastalchanging shorelinenew jerseysalt tolerant plantsland conversionrising seasmaritime forestgroundwatersalt tolerantestuarylow elevationmarsh migrationfloodblackwater national refugeghost forestsaltforestregenerationsalt watersaltwater marshtributariesmullica river estuarystumpcoastal marine ecologysaltwater marshesstormsalt water intrusionthe george washington universitycedarhurricanecordgrassglobal warmingvirginia coast reservesomerset countywoodfloridapinegedan labsalinegeographyswampeast coastsaltwaterdying forestseawatersoilchanging landscapemid atlanticnorth carolinawetlandsvirginiakeryn gedanstorymapclimate changeblack needle rushdying treesdelmarva peninsulamarinekilling treessweet gumdroughtshorelinetidal inundationsea level risetree stumpchesapeake bayfloodingphragmitesprime hook national wildlife refugewildfires

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 & WeatherEducationintertidal monitoringteachersstudentssandy beachintertidalmarinesand crabstidepoolalgaesand crabsandyin oceansrockyoceanrocky intertidalinvertebratesrocky shores

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 & EnvironmentBiologyEducationcrab.chitonrocky shoreseaweedquadratoceanlimpetintertidalnew zealandcitizen sciencemarine

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 workmarine biology wildlife monitoringwildlife monitoringmarine marine biologyhorseshoe crab marine horseshoe crab

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 & EnvironmentAnimalsmarinenaturalistscavenger huntcrabwashingtondungenessshorelinebeach walkandroidapppictureinvasive speciesmonitoringoceanoutdoorapplemycoastbeach

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 & EnvironmentBiologyAnimalscrab.iphonecitizen-based monitoringapphorseshoe crabmonitoringmonitornew york

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