crab.

within 25 miles

Apr 14, 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 & WeatherBiologybeachesoysterphenologynew englandwaterdunecoastalecologygeologycrabdunescoastmonitoringnew hampshiremigrationsandsurveybeachrestorationphenologicalwater monitoringeelamerican eelstewardshiphorseshoe crabmusselspawning

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 & EnvironmentBiologyAnimalshorseshoe crabfloridatrainingsurveybeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcordgrassgroundwatercoastal ecologysea level risemarylandnew yorkchesapeake baynew jerseyghosts of the coastpinedelmarva peninsulafloodingblackwater national refugemullica river estuarydying treestree stumpnorth carolinacoastal educationwoodgeologysaltwater marshesprime hook national wildlife refugecoastal marine ecologyblue crabmarinecedarfloridashorelinedelawareswampbleached treescoastalland conversionglobal warmingmaritime forestriverbankmarsh migrationtree deathforeststormtributariessurvey123changing shorelinesalinedisturbancefloodmarshsomerset countydead treesphragmitessalt stresstidedying forestgeographysalt tolerant plantskilling treestidal inundationlow elevationvirginia coast reservechanging landscapesouth carolinaclimate changespartina patenssapstorymapblack needle rushecologysalthurricaneghost forestvirginiaregenerationrising seasgedan labsaltwater marshsalt watercattus islandkeryn gedangeorgiamid atlanticwetlandssweet gumdelaware baywildfiressoilsalt tolerantstumpsalt water intrusionsawgrasssaltwaterthe george washington universityestuaryseawatereastern shoreeast coastdrought

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabpicturebeach walk

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 & WeatherEducationmarineintertidalin oceanssandy beachoceanrocky shorestidepoolsandyalgaesand crabsstudentsrocky intertidalinvertebratesrockysand crabintertidal monitoringteachers

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.new zealandseaweedquadratlimpetintertidalrocky shorechitonmarinecitizen scienceocean

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 wildlife monitoringwildlife monitoringmarine biology 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 & EnvironmentAnimalsappleinvasive speciesnaturalistmycoastpictureappandroidscavenger huntshorelinewashingtondungenessmonitoringoceancrabbeachmarineoutdoorbeach walk

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 & EnvironmentBiologyAnimalsappmonitoringnew yorkmonitorcitizen-based monitoringhorseshoe crabcrab.iphone

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