crab.

within 25 miles

Jan 18, 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 & WeatherBiologyeelphenologyamerican eelmonitoringnew hampshirebeachoystersurveywaternew englandphenologicalcrabecologyhorseshoe crabmigrationrestorationwater monitoringcoastalmusseldunespawningstewardshipdunesbeachescoastgeologysand

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 & EnvironmentBiologyAnimalstrainingfloridabeachsurveyhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalinevirginiadroughtmaritime forestchesapeake baychanging landscaperising seashurricanepinetributariesfloridadying forestsoilchanging shorelinethe george washington universitycedarnew yorkfloodsalt waterblack needle rushcoastalsurvey123salt tolerant plantswoodfloodingbleached treesmarylandforestkeryn gedantidemarsh migrationdead treeswetlandsclimate changemarshtidal inundationgeorgiageologymullica river estuarysaplow elevationsouth carolinamarinenorth carolinasaltwater marshgeographyswampphragmitesregenerationeastern shoresweet gumghost forestkilling treesstumpeast coastcoastal marine ecologydelaware baynew jerseyblue crabdelawaredying treessalt water intrusiongedan labsaltdisturbanceecologyshorelinedelmarva peninsulablackwater national refugesalt stresscoastal ecologycordgrasstree deathsomerset countysea level risevirginia coast reservegroundwaterstormseawaterstorymapsaltwater marsheswildfiresestuarysalt toleranttree stumpsawgrasssaltwaterriverbankspartina patensprime hook national wildlife refugecoastal educationcattus islandghosts of the coastmid atlanticglobal warmingland conversion

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach 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 & 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 & WeatherEducationtidepoolsandy beachintertidal monitoringalgaerocky shoressandyteachersinvertebratesrockyoceansand crabintertidalrocky intertidalmarinein oceansstudentssand crabs

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 & EnvironmentBiologyEducationchitoncitizen sciencenew zealandlimpetquadratseaweedcrab.oceanintertidalrocky shoremarine

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 monitoringmarine marinefield workhorseshoe crab horseshoe crabmarine biology marine biology wildlife 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 & EnvironmentAnimalspicturebeachappnaturalistinvasive speciesbeach walkandroidoutdoordungenesswashingtonshorelineapplemycoastmarinecraboceanmonitoringscavenger hunt

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 & EnvironmentBiologyAnimalshorseshoe crabcrab.new yorkcitizen-based monitoringmonitoriphoneappmonitoring

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