Unusual CT scan reveals why zoo fish was "swimming abnormally"

The fish was sedated, balanced upright on a sponge and had water poured over its gills to keep it alive as the scan took place.

Unusual CT scan reveals why zoo fish was "swimming abnormally"
The fish was sedated, balanced upright on a sponge and had water poured over its gills to keep it alive as the scan took place.