Morphological study for gold fish Carassius auratus (Linnaeus, 1758) from Qarmat Ali river, southern Iraq

Abstract

Biometry characters of genus Carassius from Qarmat Ali river southernIraq were studied, the results showed that all specimens belong to gold fishCarassius auratus (Linnaeus, 1758). Number of scales in the lateral lineranged from 25 to 31. Number of dorsal branched rays varied from 15 to18, anal fin with 5-6 branched rays usually 5. Gill rakers long varied from45 to 48. Total vertebrae 28-30. Pharyngeal teeth were in one row 4-4.Body ratios of fishes were calculated, its means ranged from 0.99 ofCPL/CPD to 3.47 of HL/ED, while was 2.41 of SL/BD.