The foureye butterflyfish (Chaetodon capistratus) gets its name because the large black spots near its tail resemble an extra set of eyes. In fact, these markings help to confuse predators into thinking that this is the head of the fish, enabling the it to escape during the confusion. This species is found in the western Atlantic Ocean from Massachusetts to the West Indies and northern South America. It grows to 6 inches (15 centimeters) in length and feeds on a variety of invertebrates.
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