Physical Traits
The speckled peacock bass is the largest species, and can grow up to 100 centimeters (three feet, four inches) in length. The royal peacock bass is the smallest and grows to a maximum length of 55 centimeters (one foot, 10 inches). Also, most display three wide vertical stripes on their bodies and a spot on their tail fins that resembles the eyes on a peacock's tail feathers—a feature which resulted in their English and Spanish common names. In addition, all adult males have a pronounced hump on their foreheads. Other physical traits can vary greatly, depending on the species, individual and stage of development. These include, but are not limited to: dark rosettes instead of stripes, light speckles and impressive shades of bright green, orange, blue and gold. The stripes, however, tend to fade in late adulthood.
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