Do Koi have teeth?
Koi are equipped with rather large teeth at the back of their throat.
They do not use them defensively or aggressively but rather to process any hard-to-chew food they come across at the pond bottom.
As the gill slits perforate the sides of the pharynx, along which the food passes, the delicate lamellac are protected by a series of stout bars called gill rakers. These lie