COMPARATIVE ANATOMICAL AND HISTOLOGICAL STUDY OF SOME ORGANS IN TWO FISH SPECIES CYPRINUS CARPIO LINNAEUS, 1758 AND MESOPOTAMICHTHYS SHARPEYI (GÜNTHER, 1874)(CYPRINIFORMES, CYPRINIDAE)
Maǧallaẗ matḥaf al-tārīẖ al-ṭabī’ī/Bulletin of the Iraq Natural History Museum