225px-bathyscaphe trieste piccard-walsh

Challenger Deep Flatfish is a flat abyssal fish of the Mariana Trench, east of Guam in the North Pacific Ocean. Sole-like. Two distinct eyes. Visits or inhabits abyssal oceanic depths where no light penetrates.

Significant sighting Edit

On January 23, 1960, the bathyscaph Trieste, piloted by Jacques Piccard and Donald Walsh, reached a record depth of 35,800 feet (7 miles) in the Challenger Deep. As they touched down on the bottom, a flatfish with two distinct eyes swam away to avoid them.

Possible explanation Edit

Torben Wolff suggested the animal was a Sea cucumber, perhaps the cushion-shaped Galatheathauria aspera, which has an oval shape. Eyes would be of absolutely no use at this depth.

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