crab.

within 25 miles

May 12, 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 & WeatherBiologymigrationphenologycoastaloystersandrestorationcoastecologyhorseshoe crabmusselmonitoringspawningcrabeelbeachnew englandbeacheswater monitoringgeologywateramerican eeldunedunessurveyphenologicalstewardshipnew hampshire

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 & EnvironmentBiologyAnimalstrainingfloridahorseshoe crabsurveybeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentpinefloodingnorth carolinasea level risetidesaltwater marshshorelinethe george washington universityblue crabstumpdying forestmarshmaritime forestsaltwaterswampriverbankglobal warmingdying treeskilling treessomerset countydead treesmarineblack needle rushmarsh migrationmid atlanticmarylandtidal inundationecologycedarsaltwoodtree deathtributariesghosts of the coastcordgrasslow elevationsalt waterdelmarva peninsulasalinechanging shorelineblackwater national refugemullica river estuarynew yorkspartina patensgeographyghost forestphragmitescattus islandsalt water intrusionsalt tolerantsouth carolinasaltwater marsheswetlandsdroughtsurvey123salt tolerant plantseast coastcoastalregenerationgedan labcoastal marine ecologywildfiresland conversionbleached treesdisturbanceseawatergeorgiahurricanedelawarefloodsapchanging landscapecoastal ecologysalt stressnew jerseytree stumpgroundwaterrising seasstorymapsweet gumdelaware bayeastern shorefloridavirginiasawgrasscoastal educationkeryn gedanforestprime hook national wildlife refugeclimate changegeologychesapeake baystormsoilestuaryvirginia coast reserve

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 & WeatherEducationin oceanssandy beachrocky shoresinvertebratesintertidalstudentsmarinealgaesand crabsandyteachersoceansand crabsintertidal monitoringtidepoolrockyrocky intertidal

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 & EnvironmentBiologyEducationseaweedoceanintertidalcrab.citizen sciencenew zealandrocky shorechitonquadratlimpetmarine

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 Sciencehorseshoe crab horseshoe crabmarine marine biology marine wildlife monitoringwildlife monitoringfield workmarine biology

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 & EnvironmentAnimalswashingtonmonitoringscavenger huntoutdoorinvasive speciesnaturalistappcrabmarinedungenessbeachoceanpicturemycoastapplebeach walkshorelineandroid

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 & EnvironmentBiologyAnimalsmonitorhorseshoe crabiphoneappmonitoringcrab.new yorkcitizen-based monitoring

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