crab.

within 25 miles

Jul 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 & WeatherBiologyecologydunecoastaldunesphenologicalnew englandoysterrestorationspawningcrabwater monitoringgeologysurveyeelcoastmigrationbeachstewardshipwateramerican eelmusselphenologybeachesmonitoringnew hampshiresandhorseshoe 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 & EnvironmentBiologyAnimalssurveybeachfloridahorseshoe crabtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsouth carolinaforestsapsoilmarsh migrationeast coastcoastal marine ecologyvirginia coast reservedying treesgedan labchesapeake bayseawaterchanging shorelinedelawarewetlandscoastalgeologychanging landscapemarineghost foresttree deathblack needle rushlow elevationtributariestidal inundationdisturbanceswampprime hook national wildlife refugedroughtsawgrasssurvey123salt tolerantkilling treesstormrising seasdelmarva peninsularegenerationpinekeryn gedansaltsaltwaterphragmitessalt waterghosts of the coastdelaware bayshorelinesalt stressmarylandgeorgiaestuarygroundwatermaritime forestsalt water intrusionriverbankblackwater national refugehurricanefloridageographycattus islandland conversionmarshfloodingcoastal ecologymid atlanticdead treesstorymapcedarsweet gumdying forestwoodfloodsaltwater marshesthe george washington universityecologyeastern shorespartina patensclimate changevirginiablue crabcordgrasstidesomerset countysea level risesaltwater marshmullica river estuarynew jerseysalt tolerant plantsstumpcoastal educationsalinewildfiresnew yorkbleached treesnorth carolinaglobal warmingtree stump

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 & WeatherEducationinvertebratesrocky shoressand crabin oceansalgaetidepooloceanstudentsteacherssand crabsintertidal monitoringsandy beachmarinerocky intertidalsandyrockyintertidal

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 & EnvironmentBiologyEducationseaweedintertidalmarinelimpetoceancrab.rocky shorenew zealandcitizen sciencechitonquadrat

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 work marinemarinewildlife monitoring horseshoe crab marine biologyhorseshoe crab wildlife monitoringmarine 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 & EnvironmentAnimalsappleshorelinebeach walkcrabbeachmonitoringpicturescavenger huntappinvasive specieswashingtonmarinenaturalistmycoastoutdoordungenessoceanandroid

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 & EnvironmentBiologyAnimalsmonitoringappnew yorkcrab.monitoriphonecitizen-based monitoringhorseshoe crab

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