MicroCT imaging of the optic tecta (in blue) within the brain (dark) of a Peacock Flounder (Bothus mancus) (left) and Scythe Triggerfish (Sufflamen bursa) (right).
Most day-active fishes were found to have larger optic tecta (relative to the rest of the brain) than those that are nocturnal.
Most day-active fishes were found to have larger optic tecta (relative to the rest of the brain) than those that are nocturnal.