crab.

within 25 miles

Mar 3, 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 & WeatherBiologyspawningphenologicalsurveyamerican eelcoastsanddunemusselcrabrestorationmonitoringwaterecologybeachhorseshoe crabwater monitoringstewardshipnew hampshireduneseeloysterbeachescoastalnew englandmigrationgeologyphenology

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 & EnvironmentBiologyAnimalstraininghorseshoe crabfloridasurveybeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentdead treescordgrassclimate changesawgrasssalt waterdisturbancesaltwater marshescoastalsomerset countyswampkilling treesstorymapmarinekeryn gedanshorelinesalttidal inundationsweet gummullica river estuarymarylandtributariesfloridachanging landscapesurvey123marsh migrationpinethe george washington universitydelmarva peninsulacattus islanddying treeshurricanewildfiresdying forestdelawaregroundwaterseawatersaltwater marshnorth carolinariverbankgeographystormgedan labblackwater national refugesalt tolerant plantsprime hook national wildlife refugecoastal ecologytree stumpsalt tolerantsaltwaterregenerationgeorgiaeast coastland conversionsalt water intrusioncoastal marine ecologyfloodingforestblack needle rushsoilvirginia coast reservephragmitestidewoodmaritime forestdelaware baysalt stressmarshglobal warmingsea level riseghost forestfloodcedarlow elevationbleached treescoastal educationrising seassouth carolinageologyeastern shorespartina patensmid atlanticblue crabchanging shorelinenew jerseychesapeake baydroughtghosts of the coastestuarystumpnew yorkecologytree deathwetlandssapsalinevirginia

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

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 & WeatherEducationrockystudentsrocky intertidalintertidal monitoringsandyalgaesand crabsand crabsoceanmarinetidepoolteachersinvertebratessandy beachin oceansrocky shoresintertidal

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.oceanquadratlimpetrocky shorechitoncitizen sciencemarinenew zealandseaweedintertidal

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 marinefield workmarine biologywildlife monitoring wildlife monitoringmarine horseshoe crabhorseshoe crab marine 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 & EnvironmentAnimalspictureoutdoorcrabshorelineinvasive speciesmonitoringappleappscavenger huntmarinebeachoceannaturalistmycoastdungenesswashingtonbeach walkandroid

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 & EnvironmentBiologyAnimalsiphonenew yorkmonitoringcitizen-based monitoringappmonitorcrab.horseshoe crab

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