But what is that horn for? Well, no one seems to know for certain, but as is referenced below, Rick West suggested that the horn may give this spider a greater ability to eat quicker by increasing its ability to draw up liquefied food. It may also allow it to take in more nutrients and water.
West, R.C. (1986). Ceratogyrus. Journal of the British Tarantula Society 1(4):79-80
Ceratogyrus (suh-rah-tuh-JY-ruhs) * Adapted from The American Tarantula Society
Name and Description History:
Ceratogyrus marshalli Pocock, 1897