Such serious faces! This picture of a pair of red stumpnoses shows how the steepness of the forehead increases with age. In red stumpnose males, the forehead becomes increasingly pronounced and bulbous as they get older. Photo courtesy Zodiakk.

Been to the Aquarium lately? We’d love to see what you saw! If you have images that you’d like to share with us, join the Two Oceans Aquarium Flickr group and you could see your picture on our blog!