Dictionary of Ichthyology  

liver = a structure anterior and dorsal to the stomach, covering part of the stomach. It serves to store glycogen, in detoxification, decomposition of blood cells, protein synthesis and production of chemicals used in digestion.
Guts of Protopterus from Kingsley's "Textbook of Vertebrate Zoology, 1906. C = caecum, G = gall bladder, HV = hepatic vein, L = liver, O = oesophagus, OD = oviduct, PV = pyloric valve, R = rectum, RD = renal (mesonephric) duct, S = stomach, SP = spleen, SV = spiral valve, V = vent. Photograph by Brian W. Coad.

           Canadian Museum of Nature