crab

within 25 miles

Dec 8, 2025

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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 & WeatherBiologydunewater monitoringnew hampshiregeologydunesbeachsandbeacheshorseshoe crabmonitoringphenologyamerican eelcoastalspawningnew englandphenologicalstewardshipoystereelwatersurveyrestorationcrabecologymusselcoastmigration

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 crabsurveytrainingbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentlow elevationstormsalt water intrusionsaltwater marshessalt tolerant plantswoodblue crabsaltsouth carolinamaritime foresttributariesmarineestuarydelaware bayprime hook national wildlife refugecoastal ecologyfloodsaltwater marshrising seassurvey123stumpvirginia coast reservemarshmarsh migrationdying forestmid atlanticchanging landscapesalt tolerantthe george washington universitynew yorkchanging shorelineghosts of the coastphragmitescordgrasscedarcoastal marine ecologyriverbankforesttidefloodingshorelinefloridageographycoastal educationcoastalkilling treescattus islandsoilchesapeake baymullica river estuarysalt stresspinesweet gumhurricaneswamptree deathvirginiasaltwatertidal inundationstorymapregenerationsalt watergeorgiaspartina patenstree stumpdead treeswetlandsdroughtsawgrassghost forestblackwater national refugesomerset countyeast coastsea level riseglobal warmingdelawaregeologyseawatereastern shoresapnew jerseydying treesgedan labbleached treesdisturbancekeryn gedansalinedelmarva peninsulawildfiresnorth carolinaland conversionclimate changeblack needle rushecologymarylandgroundwater

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 & WeatherEducationintertidal monitoringteacherssand crabssand crabrocky intertidaloceansandy beachrocky shoresintertidalinvertebratesalgaein oceansstudentsmarinerockytidepoolsandy

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 & EnvironmentBiologyEducationseaweedintertidaloceancrab.rocky shorechitonlimpetcitizen sciencequadratnew zealandmarine

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 wildlife monitoring marine biologyfield workmarine biologyhorseshoe crab marinewildlife monitoring horseshoe crabmarine

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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsscavenger huntbeachpictureandroidcrabwashingtoninvasive speciesbeach walkmonitoringapplenaturalistmarinedungenessoceanshorelinemycoastoutdoorapp

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 yorkiphoneappcitizen-based monitoringmonitorhorseshoe crabmonitoringcrab.

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