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New Website Will Track Giant Sea Bass

Giant Sea Bass Side View - popup
Robin Riggs

Conservation

July 27, 2018

Scientists at the University of California, Santa Barbara (UCSB), have developed a website that will gather photos of giant sea bass to track these endangered fish and answer questions about their habitat, movements, and other information. Spotting Giant Sea Bass is a citizen science project that will allow the public to get involved in conservation and gather data to help scientists studying this species. The Aquarium is helping to spread the word about this program and encouraging divers, fishers, and snorkelers to submit photos to the site.

Capable of growing bigger than an average-sized grizzly bear, and as imperiled as the black rhino, giant sea bass are the largest bony coastal fish in California. They can live to be 75 years old and can exceed 7 feet and 500 pounds. Most importantly, their ecological contributions as an apex predator in kelp forest ecosystems likely help to shape how these underwater forests work. To effectively recover this species, which is categorized as critically endangered by the International Union for Conservation of Nature’s Red List, marine biologists need more and better data.

The idea for the project was born when two UCSB undergraduates, Conner Jainese and Katelin Seeto, discovered that each giant sea bass carries its own unique spot pattern that can be read like a barcode to identify individuals. The Spotting Giant Sea Bass website makes matches by using pattern recognition algorithms first developed by astrophysicists to spot patterns in star constellations and later used by NASA on the Hubble Space Telescope.

Giant sea bass spots form a miniature “constellation” on their flanks. The program leverages the unique spot pattern of each giant sea bass recorded to match up fish sighted on different days and in different places. Divers who upload a photo of a giant sea bass can receive notifications when “their” fish is spotted by another diver.

Data collected from the project help marine biologists better track the ups and downs of the giant sea bass population, determine whether they are using marine protected areas, identify their spawning grounds, calculate how far these fish move, and identify the threats they encounter on their travels.

Additional support for the Spotting Giant Sea Bass project was provided by the Aquarium of the Pacific and the Santa Barbara Channel Marine Biodiversity Observation Network. The Aquarium of the Pacific’s dive team also participates in the program.

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