Unlike that benignly daft creature, this real-life surgeonfish in Indonesia carries a sharp retractable blade of bone near the base of its tail.
As well as being staggeringly tall, the tower will also have futuristic features, including smog-eating surfaces, and retractable balconies.
Arconic, a materials science company, has envisioned a three-mile-high skyscraper built from materials that are either in-development or have already been brought to market, including smog-eating surfaces and retractable balconies.
But he believed it could be something to do with the retractable clawsthat ancient cats have passed down to their domesticated descendants, but which dogs don'thave.
