"Stress" of Koi fishes- due to handling and long hours of travelling.
"Sleeping sickness" & "Drunk sickness" of Koi fishes
"Listless" - not moving much, grouping at the surface and gasping for air.
White Spots
Bacterial Infections (including red spots and red patches).
Droop fins and close tails.
No appetite
Fungal infections, parasites and internal worms
Gill flukes
Protruding scales
Viral infection
For Quarantine fish
For protection of fish eggs