What is “Flashing” in Koi or Pond Fish?

What is “Flashing” in Koi or Pond Fish? “Flashing” is basically just a fish that is “scratching” itself on the pond / tank bottom, or ornamentation. It USUALLY doesn’t mean anything, unless it’s “more and more common” or it’s happening at least hourly. There are lots of causes of flashing koi illuminated here (click). Just … Read more

Could You Please Explain What Flashing Is?

Could You Please Explain What Flashing Is? My Koi fish will occasionally jump or do little twists in the water….I always thought they were just playing….is this the sign of a disease though? I have an 8000 gallon pond with superb water quality…..thanks Paul C. Flashing is a condition in which fish quickly lay over, … Read more