crab.

within 25 miles

Jan 17, 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 & WeatherBiologydunescoastalgeologyeelsurveymusseloystermonitoringstewardshipecologymigrationnew hampshireduneamerican eelbeachphenologywaterphenologicalspawningbeachescoastsandcrabwater monitoringrestorationnew englandhorseshoe crab

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 & Environmentmarshwildfirescoastal educationstumpsaltwater marshesdying forestsalt tolerant plantssaltchanging landscapestormbleached treesgeographyhurricanesomerset countyspartina patensblue crabestuarynew yorkphragmitesland conversionseawatercoastal ecologypinegeorgiasea level riseecologyshorelinefloodmullica river estuarynorth carolinasalt stresssapsalineforestsalt tolerantdelawareprime hook national wildlife refugedying treesfloridacattus islandsouth carolinageologytree deathdelaware baykilling treesthe george washington universitytributariesvirginia coast reservemid atlantickeryn gedandroughtrising seasblackwater national refugeghosts of the coastsoildead treeschanging shorelinechesapeake baymarylandsalt waterghost forestdelmarva peninsulasalt water intrusionmarineclimate changecordgrasssweet gumregenerationcedareastern shoresaltwatergroundwatergedan labtidenew jerseytidal inundationdisturbanceeast coastglobal warmingmarsh migrationsaltwater marshwoodtree stumpwetlandscoastal marine ecologysurvey123low elevationstorymapmaritime forestsawgrassswampriverbankvirginiablack needle rushfloodingcoastal

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 & 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 & WeatherEducationintertidalrockytidepoolmarineoceanintertidal monitoringrocky intertidalsandy beachstudentsin oceansinvertebratesalgaesand crabssandyrocky shoresteacherssand crab

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 & EnvironmentBiologyEducationlimpetrocky shorechitonquadratoceanseaweedcrab.citizen sciencemarinenew zealandintertidal

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 Sciencewildlife monitoringfield workmarine biology wildlife monitoring marine biologyhorseshoe crab marine horseshoe 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 & EnvironmentAnimalsbeach walkwashingtonshorelinepicturemonitoringandroidnaturalistscavenger huntbeachmycoastmarineappappleoceaninvasive speciesoutdoordungenesscrab

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 yorkmonitoriphonecitizen-based monitoringappmonitoringcrab.horseshoe crab

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