Molly Fry Twich?

[Nastihabits]

hey guys
My Molly fry is about six months old now, but since about two months old i hsve noticed that every once and a while they will from what i can best describe, twich into the ground ? like a quick little seizure? what is this?

 

[Jakey02578]

I've never heard of that.. Google it or something?

 

[OldMan47]

Fish will sometimes scrape their skin against objects, including the substrate, when they have an itch. Such "flashing" is a concern when it happens often but not when it is rare. If you have frequent flashing, look for indications of parasites like ich.