crab.

within 25 miles

Nov 1, 2026

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

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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 & WeatherBiologymusselhorseshoe crabphenologicalgeologymigrationstewardshipsurveyeelamerican eelbeachesdunessandnew englandcoastmonitoringbeachspawningwatercrabcoastalphenologyoysterdunewater monitoringecologyrestorationnew hampshire

PEBL CIC (Plant Ecology Beyond Land)

FishSpotter

Identify UK marine species on seaweed and shellfish farm seabeds

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsspecies identificationunited kingdomfishmarine

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 & EnvironmentBiologyAnimalsbeachfloridasurveyhorseshoe crabtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentblackwater national refugefloodglobal warmingdelmarva peninsularising seasriverbanksaltwater marshesblack needle rushprime hook national wildlife refugeestuarygeographycattus islandwoodmid atlanticforestthe george washington universityecologytree deathsurvey123stormmarinesalt tolerant plantstidekeryn gedanmarsh migrationcoastal marine ecologyghosts of the coastcoastal ecologyphragmitestree stumpdelaware baygeorgiawetlandstributariesswampsalt watermaritime foresteast coastgroundwaternew yorksawgrasschanging shorelinevirginiachesapeake bayclimate changesapdying forestsalt water intrusionsaltwater marshmullica river estuarygedan labstumpsoilspartina patensbleached treeschanging landscapesalt toleranttidal inundationfloodingdelawaredroughtcedarmarshhurricanestorymappineblue crabsaltwatersomerset countykilling treeslow elevationsea level riseghost forestcoastal educationland conversionmarylandcoastalnorth carolinadead treessalinedisturbancegeologysalteastern shoresweet gumdying treesfloridacordgrassshorelinevirginia coast reserveregenerationsalt stresswildfiressouth carolinanew jerseyseawater

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 & WeatherEducationrocky shoresintertidal monitoringstudentsrockyteachersintertidaltidepoolsandyinvertebratesmarinesand crabin oceanssand crabsoceanalgaesandy beachrocky intertidal

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 & EnvironmentBiologyEducationintertidalcitizen sciencequadratseaweedrocky shorechitonnew zealandoceanlimpetcrab.marine

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 Sciencefield workmarinewildlife monitoringmarine biologyhorseshoe crab

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 & EnvironmentAnimalsoutdoorpicturenaturalistinvasive speciesbeachoceanandroidwashingtonbeach walkmycoastcrabappshorelinemonitoringscavenger huntmarinedungenessapple

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