crab.

within 25 miles

Mar 16, 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 & WeatherBiologysurveycoastmigrationcrabwater monitoringeelcoastalgeologystewardshipbeachesphenologyspawningbeachmonitoringnew hampshirenew englanddunemusseloysterduneswaterphenologicalamerican eelecologyhorseshoe crabsandrestoration

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 & EnvironmentBiologyAnimalssurveytrainingbeachfloridahorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsaltwaterbleached treesrising seasblackwater national refugeregenerationfloodingnew jerseydelawareestuarysurvey123east coastseawaterforestmarshgeorgiahurricanetree deathclimate changekeryn gedantidedisturbancecedarwetlandsstumpsapphragmitesglobal warmingvirginiamarinegedan labswampchanging landscapesweet gumdelaware baydroughtsea level risemaritime forestriverbankcordgrassblue crabdelmarva peninsulachanging shorelinestorymapgeologytree stumpcoastallow elevationtidal inundationghosts of the coastthe george washington universitysouth carolinaland conversionspartina patenssaltwater marshesfloridageographytributariessalt tolerant plantssawgrasseastern shorewildfiresmarylandstormgroundwaterdying forestcoastal ecologychesapeake bayshorelinevirginia coast reservefloodnorth carolinasaltwoodcattus islandmarsh migrationnew yorkcoastal educationkilling treesmullica river estuaryprime hook national wildlife refugedying treessalt tolerantsalt stresssaltwater marshdead treesecologysalt waterghost forestsalt water intrusionsoilblack needle rushcoastal marine ecologypinemid atlanticsomerset countysaline

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturebeach walkhorseshoe 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 & WeatherEducationrocky shoressandyrockysandy beachrocky intertidalstudentsintertidalintertidal monitoringmarineoceaninvertebratesin oceansalgaeteacherssand crabstidepoolsand 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 & EnvironmentBiologyEducationrocky shoreseaweedintertidallimpetcitizen sciencemarinequadratoceanchitoncrab.new 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 horseshoe crabhorseshoe crab wildlife monitoringwildlife monitoring marine marine biologymarinefield 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 & EnvironmentAnimalsmonitoringandroidbeach walkapplescavenger huntoceanbeachinvasive speciesmycoastwashingtoncrabmarinedungenessshorelineoutdoorpictureappnaturalist

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 yorkmonitorappmonitoringhorseshoe crabcrab.citizen-based monitoringiphone

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