Apkallu wearing a fish cloak Possibly Giant Carp

This protective spirit (Apkallu or Abkallu) guarded the entrance to the temple of Ninurta at Nimrud. A fish's head can be seen on Apkallu's head, and its skin hangs down over the back of Apkallu's body.

Neo-Assyrian era, 865-860 BCE. From the Temple of Ninurta, Nimrud (ancient Kalhu; Biblical Calah), northern Mesopotamia, Iraq. (The British Museum, London).