crab.

within 25 miles

Mar 16, 2026

Near

Distance

From

Until

12 opportunities found! use fewer search filter criteria to find more opportunities

Filters

Activity Type

Age

Kids Friendly Only

21+ Only

Participant Age Range Minimum

100

Participant Age Range Maximum

100

Cost

Any Cost Free Only

Topic

Venue Type

Host Organization

Partner Organization

Coastal Research Volunteers

Contribute to coastal science, stewardship, and resilience

Multiple locations, including yours!

Ongoing

Citizen ScienceAnimalsOcean Water MarineNature & OutdoorsGeology & Earth ScienceEcology & EnvironmentClimate & WeatherBiologyamerican eelhorseshoe crabmusselstewardshipdunessandwaterrestorationcoastspawningoystersurveymigrationnew englandecologyphenologywater monitoringcoastalbeachbeachesdunegeologymonitoringnew hampshirecrabeelphenological

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 & EnvironmentBiologyAnimalsbeachsurveyfloridahorseshoe crabtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsurvey123tributariesstumpthe george washington universityseawatergeologyland conversiondisturbancetree deathsaltwater marshcoastal marine ecologyfloodingdying forestkeryn gedanflooddelawarevirginiasalinesaltwildfiresblue crabcoastalstormblackwater national refugemullica river estuarysappinesea level risedelaware bayphragmitessalt water intrusiontideshorelinechanging shorelinecoastal educationgeographyspartina patensdelmarva peninsulaghosts of the coasttree stumpdroughtchanging landscapebleached treeskilling treesmarshsomerset countygedan labgroundwaterrising seasnorth carolinasoilvirginia coast reservenew jerseyglobal warmingsawgrassmarylandchesapeake bayeast coastestuarygeorgiasaltwater marshessalt stressecologyforestsweet gummarinemarsh migrationmid atlanticblack needle rushwoodcedarclimate changeprime hook national wildlife refugehurricanecordgrassregenerationsaltwaternew yorkcattus islandlow elevationdead treessalt toleranttidal inundationmaritime foreststorymapeastern shorefloridariverbankwetlandscoastal ecologysalt tolerant plantssouth carolinasalt waterdying treesswampghost forest

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 & 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 & WeatherEducationrocky intertidaltidepoolstudentssandy beachoceanteacherssand crabsinvertebratesrockysand crabmarinein oceansintertidal monitoringintertidalrocky shoresalgaesandy

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 & EnvironmentBiologyEducationlimpetintertidalchitonseaweedmarinecitizen sciencerocky shorecrab.oceanquadratnew zealand

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 marine wildlife monitoringmarine biology horseshoe crab marine biologyhorseshoe crabfield work

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 & EnvironmentAnimalspicturemarinenaturalistmycoastdungenessoutdoorwashingtonapplebeachcrabappscavenger huntmonitoringoceanshorelineandroidinvasive speciesbeach walk

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 & EnvironmentBiologyAnimalsmonitornew yorkcitizen-based monitoringhorseshoe crabiphoneappcrab.monitoring

Share Your Results

Share the list by copying the link below

Copy Link