Pacific electric ray, Tetronarce californica, swimming. The Pacific electric ray produces powerful electric shocks for attack and defense. The shock can be enough to knock down an adult human. It's a night ambush predator that envelops the prey within its disc while delivering shocks. Most prey captures occur in darkness or turbid conditions, when its eyes are largely useless. Instead, it relies on electroreception via its ampullae of Lorenzini to locate food. British Columbia.

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達志影像

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