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Southern California Sea Turtle Monitoring Project

Volunteer community scientists collect field data for a local Pacific green sea turtle population with the Aquarium of the Pacific’s Southern California Sea Turtle Monitoring Project.

Group of citizen science volunteers

The San Gabriel River watershed is the northernmost known home for Pacific green sea turtles (Chelonia mydas). The Aquarium’s involvement began in 2008 with volunteers gathering data on the population for a small research project. Then in 2012 the Aquarium partnered with the Los Cerritos Wetlands Authority, Tidal Influence, and National Oceanic and Atmospheric Administration’s (NOAA) National Marine Fisheries Service conservation and wildlife management groups to learn more. Community scientists volunteer with the Aquarium to collect observational data on these turtles through the Southern California Sea Turtle Monitoring Project. The data collected is recorded and used to understand how many individual sea turtles might be living in the San Gabriel River and to help with additional tracking, protection, and monitoring efforts.

Green sea turtles can grow up to 4 feet long, weigh up to 440 pounds, and live as long as eighty years. They live in tropical and subtropical waters around the world. They are herbivores and primarily eat seagrass, but as juveniles may eat sea jellies and other invertebrates.

Community Science: Sea Turtle Monitoring

Volunteer Application

Spot a Stranding?

The West Coast Marine Mammal and Sea Turtle Stranding Network is trained and permitted by NOAA to conduct response to stranded sea turtles. If you see a stranded sea turtle in the San Gabriel River or elsewhere, please call their 24/7 hotline at: 562-506-4315. Letting NOAA experts respond to the stranding will allow them to take the turtle to a rehabilitation center (if needed) or tag it and relocate it to a better area. Allowing NOAA to place a simple flipper tag on “out-of-habitat” turtles will help us determine if additional action is necessary for the health and safety of the turtles.

Sea turtle with head coming out of the water
Sea turtle in the water
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