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Figure 2: Tinca tinca. Right lateral radiographic; Inset: diagram of the urogenital system of T. tinca: anal pore (small arrow), genital pore (white line), urinary pore (dashed arrow), urethra (arrow head), (1) intestine, (2) gonadal ducts, (3) urinary bladder, (4) kidney, (5) gonads, (6) ureters.
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