A colourful world of fish inside glass tanks

Visitors look at fish in glass aquariums.A school of zebra fish swimming together.Colourful koi carp in an aquarium.A pair of goldfish. A flowerhorn fish swimming around.Red-and-gold comet fish.A super red fish swimming in the aquarium.Colourful fish swimming in clear water.A fighter fish bought at the fair.An aquarium filled with colourful fish.Oscar fish have a charm of their own.Fish of…