The image shows a fish swimming underwater. It appears to be
a freshwater fish, given the clarity of the water and the type of aquarium it is in. The fish has markings on its body which suggest it may be a species commonly found in tropical or subtropical regions. Its coloration and pattern could provide more information if there were any
unique patterns or characteristics to identify the species, but without specific details about the fish's markings, it's challenging to determine exactly what type of fish it is.