crab.

within 25 miles

Apr 22, 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 englandgeologycoastmusselmigrationeelsandhorseshoe crabwater monitoringstewardshipbeachdunesdunespawningphenologicalecologysurveywaterphenologybeachesoystercrabrestorationamerican eelmonitoringnew hampshirecoastal

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 & EnvironmentBiologyAnimalsfloridasurveytraininghorseshoe crabbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentrising seastree deathregenerationflooddisturbancemarsh migrationnorth carolinacoastal educationghost forestdelawarephragmitesnew jerseysweet gumdelmarva peninsulasalt toleranttree stumpgeorgiastumpvirginia coast reservefloridatributariesglobal warmingstorymapgeologysaltwoodcedarcoastalchanging landscapekilling treesblackwater national refugemullica river estuaryeastern shoregroundwaterwildfiressawgrassblue crabtidesurvey123riverbankdelaware baymarshsalt stressmarinesalt tolerant plantsestuarybleached treessoildead treesdying forestmaritime forestsaltwaterwetlandslow elevationsea level riseforestgedan labthe george washington universitysaltwater marshdroughtland conversionsomerset countysalt waterswampcattus islandspartina patenshurricanecoastal marine ecologyeast coastprime hook national wildlife refugeseawaterclimate changefloodingkeryn gedanmid atlanticsapsalineecologytidal inundationsaltwater marshescordgrassstormsouth carolinacoastal ecologygeographysalt water intrusionshorelinedying treesvirginianew yorkmarylandchanging shorelinepineghosts of the coastchesapeake bayblack needle rush

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 & WeatherEducationintertidal monitoringsandy beachrocky shoressandyin oceanssand crabsrockyoceansand crabalgaerocky intertidalmarineintertidalteachersinvertebratestidepoolstudents

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 sciencenew zealandchitonintertidalseaweedmarinerocky shorelimpetquadratoceancrab.

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 Sciencemarine biologyfield workmarinehorseshoe crab wildlife monitoring marine biology marine horseshoe crabwildlife monitoring

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 & EnvironmentAnimalsscavenger huntcrabinvasive speciesmonitoringappbeachappleshorelinemycoastwashingtonbeach walkoceandungenessoutdoorandroidmarinenaturalistpicture

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 & EnvironmentBiologyAnimalsiphonemonitoringcitizen-based monitoringhorseshoe crabmonitorcrab.new yorkapp

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