crab.

within 25 miles

Feb 24, 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 & WeatherBiologygeologyhorseshoe crabdunebeachphenologyeelsandecologyduneswaterstewardshipsurveynew englandoystercrabspawningcoastmonitoringphenologicalwater monitoringamerican eelcoastalbeachesrestorationnew hampshiremusselmigration

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 & EnvironmentBiologyAnimalsbeachfloridasurveytraininghorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentchesapeake baygeologyland conversionwoodstormghosts of the coasttree stumpmarsh migrationnew yorkdead treesmarylandregenerationdisturbancemarshshorelinesapsalt tolerant plantsriverbankseawaternew jerseycoastal ecologysalt stressmarinefloodswampghost forestdelawarevirginiasoilsea level risephragmitessalt water intrusionclimate changecedardelmarva peninsulasweet gumsalt tolerantsaltwater marshcoastalblue crabgeographygedan labblack needle rushgroundwatersalt waterchanging shorelinesaltwater marshesblackwater national refugecoastal educationkeryn gedandelaware bayeast coastnorth carolinawetlandschanging landscapedying treesfloridatidesomerset countycoastal marine ecologyeastern shoresawgrasssaltwaterestuarytree deathvirginia coast reservewildfirestributariestidal inundationcordgrassmaritime forestdroughtspartina patensgeorgiastumpsaltcattus islandsalinepinebleached treesmid atlanticstorymapthe george washington universityfloodingmullica river estuaryhurricaneecologysouth carolinadying forestglobal warminglow elevationrising seaskilling treessurvey123prime hook national wildlife refugeforest

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 shoressand crabssand crabintertidal monitoringsandy beachmarinerocky intertidalin oceansteachersintertidalsandyalgaestudentstidepoolrockyoceaninvertebrates

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 sciencelimpetintertidalcrab.chitonseaweedrocky shoremarineoceanquadratnew 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 wildlife monitoring marine biologyfield workmarine biologymarine marinewildlife monitoringhorseshoe crab 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 & EnvironmentAnimalswashingtonappleandroidcrabmonitoringbeach walkshorelineoutdoorbeachmarinepicturescavenger huntinvasive speciesdungenessmycoastoceannaturalistapp

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 & EnvironmentBiologyAnimalsmonitornew yorkappcrab.iphonehorseshoe crabmonitoringcitizen-based monitoring

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