👉 Trochocephalus is a type of fish that has only one pair of eyes. This is known as the "trichocephalic" condition, which means that the brain and spinal cord are located in the same part of the body, with the head being smaller than the rest of the body. The name comes from the Greek words "trochei," meaning "two," and "cephale," meaning "head." This condition is often associated with certain neurological disorders, such as cerebral
