crab.

within 25 miles

Mar 27, 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 & WeatherBiologymonitoringwater monitoringgeologycoastdunebeachoysterphenologicalspawningsandrestorationnew hampshiremusselsurveynew englandstewardshipmigrationphenologyhorseshoe crabecologyeelcoastalamerican eelwaterdunesbeachescrab

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 crabsurveyfloridabeachtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt tolerant plantstributariesthe george washington universitynew jerseyblue crabmarsh migrationswampmid atlanticsaltwater marshghosts of the coasttree stumpdying treescattus islandlow elevationsawgrasssurvey123blackwater national refugesalt waterstumpshorelinechanging landscapechanging shorelinesea level risemarshland conversionforestdelawarevirginia coast reservedisturbancesaltwatertree deathgeorgiakeryn gedanfloridasweet gumeastern shorehurricanegeographyecologycedarrising seascoastalsalinepinecoastal educationsalt tolerantnorth carolinaglobal warmingsaltwater marshesnew yorkdead treesdying foresteast coastmaritime forestcoastal marine ecologyprime hook national wildlife refugemullica river estuarytidesomerset countywildfiresbleached treestidal inundationphragmitesspartina patensregenerationgroundwaterriverbankwetlandskilling treesblack needle rushgeologysapstorymapsaltfloodclimate changesalt stresscordgrassdelaware baysalt water intrusionmarinemarylandfloodingseawatersouth carolinagedan labwoodestuarystormvirginiaghost forestcoastal ecologysoildroughtchesapeake baydelmarva peninsula

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe 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 & 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 & WeatherEducationoceanrocky shoresinvertebratesalgaerockystudentssandyrocky intertidalintertidalsand crabsin oceanssandy beachmarinetidepoolteachersintertidal monitoringsand 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 & EnvironmentBiologyEducationnew zealandintertidalrocky shorechitonquadratoceanmarinecrab.citizen sciencelimpetseaweed

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 crab marinewildlife monitoring wildlife monitoringmarinehorseshoe crabfield work marine biologymarine 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 & EnvironmentAnimalsandroidmonitoringappleinvasive speciesbeach walkcraboutdooroceandungenessbeachshorelinepicturemarineappnaturalistwashingtonmycoastscavenger 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 & EnvironmentBiologyAnimalsappmonitoringiphonecrab.horseshoe crabmonitorcitizen-based monitoringnew york

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