Xiphis
The xiphis was a confusing animal that appeared on two Roman mosaics, one was the Nile Mosaic of Palestrina and the other in the House of the Physician in Pompeii. It’s a heavy bodied creature, similar to a rhino or hippopotamus, with a long snout and carnivorous teeth similar to a crocodile. Many theories have been put forth to explain what the xiphis is. Most people assume it’s just a poor rendition of a hippopotamus. That might be the case for the House of the Physician, but there’s a much more realistic hippo on the Palestrina mosaic. Rhinos and crocodiles have also been suggested, but these also appear in the Palestrina mosaic. As well the animals on the Palestrina mosaic have their names written under them as part of the mosaic, with the hippo, rhino, and crocodile clearly labelled. The name xiphis comes from the labelling on this mosaic. Xiphis was a type of sword in Rome, not an animal, but this may have been part of a longer name or out interpretation of it is miss...