Comb jellies—known to scientists as ctenophores (pronounced “teen-oh-fours”)—mesmerize with their beauty, but these captivating creatures remain poorly studied due to their delicate nature. MBARI researchers have used the power of genetics to learn more about these animals. In a study published i
Researchers from the Monterey Bay Aquarium Research Institute have used genetics to study the comb jellies, or ctenophores, and have discovered new diversity within the species.
Scientists have described around 200 comb jelly species so far. They come in an assortment of shapes, sizes, colors, and patterns. Some are small, while others like this giant comb jelly can be quite large—growing larger than a football. All play an integral role in ocean ecosystems. Credit: © 2006 MBARI
Using both scuba and submersibles, MBARI researchers have been able to carefully collect comb jellies for research in the lab. For decades, they have amassed a collection of specimens representing nearly every known family of comb jellies. Previous research questioned if the train track comb jelly might be a juvenile form of the rabbit-eared comb jelly . But genetic analysis has now confirmed the two are indeed unique—and raised the possibility that there are actually two species of Deiopea off central California. Credit: © 2019 MBARI
Studying the COI gene has shed new light on the identities of scallop comb jellies in the genus Bathocyroe seen off the coast of California. Genetic analysis has suggested three distinct—and possibly previously unknown—species may occur off the Central Coast. Credit: © 2003 MBARI
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