crab.

within 25 miles

Jan 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 & WeatherBiologyhorseshoe crabspawningnew englandmusselamerican eelstewardshipnew hampshirewater monitoringphenologicaldunephenologyduneseelbeachbeachesmonitoringcoastalgeologyrestorationwatercrabecologycoastmigrationoystersandsurvey

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 & EnvironmentBiologyAnimalstrainingbeachhorseshoe crabsurveyflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmarshwildfiresnew jerseyrising seasecologycoastalsweet gumsea level risewoodfloodsalt tolerantdisturbancesomerset countycedarsalinesaltwater marshsaltwatersawgrasssaptree deathcattus islandgedan labvirginiamarinefloodingswampblackwater national refugestumpblack needle rushspartina patenssalt tolerant plantscoastal marine ecologyblue crabmarsh migrationseawaterdelawaresalt water intrusioneast coastthe george washington universityglobal warmingstormsalt stresshurricanetidal inundationmullica river estuarychanging landscapephragmitesriverbanksaltwater marshesmid atlanticregenerationdying treesnorth carolinagroundwatertree stumpghosts of the coasteastern shoregeorgiasaltsoiltributariesgeologysalt waterdead treesdroughttidemarylandwetlandsprime hook national wildlife refugekeryn gedansouth carolinafloridastorymapdelmarva peninsulaland conversionshorelinekilling treespinegeographycoastal educationnew yorkvirginia coast reserveforestmaritime forestchanging shorelinelow elevationdelaware bayestuaryclimate changebleached treesghost forestdying forestcoastal ecologycordgrasschesapeake baysurvey123

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 & 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 & WeatherEducationtidepoolin oceansintertidal monitoringsand crabsteachersalgaemarineoceanrocky shoressandyintertidalrockyrocky intertidalsand crabstudentssandy beachinvertebrates

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 & EnvironmentBiologyEducationchitonlimpetintertidalcitizen sciencenew zealandoceanseaweedcrab.marinerocky shorequadrat

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 crabhorseshoe crab marinemarine biologyfield workwildlife monitoring wildlife monitoring marine biologymarine

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 & EnvironmentAnimalsoceanoutdoorwashingtoninvasive speciesmonitoringapppicturenaturalistdungenessshorelineapplebeach walkmarinecrabandroidscavenger huntmycoastbeach

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 & EnvironmentBiologyAnimalscitizen-based monitoringiphonemonitoringappnew yorkcrab.monitorhorseshoe crab

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