This unusual fish possesses tubular eyes that can rotate upwards, allowing it to peer through its transparent forehead. This unique feature helps the barreleye differentiate between sunlight and ...

After all, a fish with a transparent head and two vivid green eyes that can swivel like periscopes ... The breakthrough came ...

One of the fish’s advantages is clear—literally. Because embryos are transparent and develop outside the mother’s body, scientists can manipulate genes to model human diseases and directly ...