'''This is a radiograph of a goldfish that was found swimming upside down at the surface.'''
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'''The top radiograph is of a goldfish that was found swimming upside down at the surface.'''
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Line 11:
Line 11:
|q1=What is abnormal about this film?
|q1=What is abnormal about this film?
|a1=
|a1=
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The caudal sac of the swim bladder is ventral to the anterior sac. A radiographic image of a normal goldfish swim bladder is shown here. This fish died and at necropsy a swim-bladder torsion was diagnosed.
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The caudal sac of the swim bladder is ventral to the anterior sac. A radiographic image of a normal goldfish swim bladder is shown below the first radiograph. This fish died and at necropsy a swim-bladder torsion was diagnosed.