The giant Pacific octopus at the National Zoo was spending time, as she occasionally does, draped in a dim corner of her tank like a wad of dishrags. The octopus, Pandora, has tentacles several feet long and is the size of a Thanksgiving turkey, and she often hangs out at the front of her tank, unscrolling around the glass. But she is an expert at camouflage, and against the rocks at the rear she can be only faintly visible. It was 3 o?clock on a recent afternoon, her feeding time, and a crowd was straining for a glimpse of her. ?Where?s the octopus?? a boy asked, pressing his brow against the tank, his eyes a few inches from hers. Suddenly, a zoo volunteer rose above the back of the tank, backlit, holding a long feeding stick, and lowered a piece of shrimp into the water. In a flash, Pandora shot from her perch and flung herself upon the shrimp; she flushed a bright red, inflated and rippling in the water, like a predatory prom dress. From the rear of the crowd, a keeper deftly narrated the action: ?That?s the jet hop, the ballooning behavior right there. You see those very subtle color changes, the texture change ? they can voluntarily change the color and texture of their skin. ...? a monologue drowned out at intervals by the gasps of the crowd.
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