What physical feature of the Viper Shark indicates a high degree of visual sensitivity?

Answer

Its large, prominent eyes

The Viper Shark possesses eyes that are noticeably large in proportion to its head. This morphology signifies high visual sensitivity, which is crucial for detecting faint light signatures or the silhouettes of prey and predators against the dark, featureless backdrop of the deep-sea environment.

What physical feature of the Viper Shark indicates a high degree of visual sensitivity?
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