A see-through squid is giving scientists an unprecedented view of the brain and other organs in a living animal.
, a species usually found in the tropical waters from Indonesia to China and Japan. It's typically smaller than a thumb and shaped like a dumpling. And like other cephalopods, it has a relatively large and sophisticated brain., which became popular nearly a decade ago.
Albertin and Rosenthal thought they might be able to use CRISPR to create a special squid for research. They focused on the hummingbird bobtail squid because it is small, a prodigious breeder, and thrives in lab aquariums, including one at the lab in Woods Hole. "You can see him right there in the bottom," Rosenthal says,"just kind of sitting there, hunkered down in the sand."
The squid is one that has not been genetically altered. So it is camouflaged to blend in with the sand. That's possible because of organs in its skin called chromatophores. They contain pigment that can be manipulated to change the squid's appearance.Tim Briggs/MBL Cephlapod Program
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