Most authorities recognize three species within the perch genus: 1  The European perch (Perca fluviatilis) is found in Europe and Asia. 2  The Balkhash perch (Perca schrenkii) is found in Kazakhstan, (in Lake Balkhash and Lake Alakol), Uzbekistan, and China.
Foods to avoid with diverticulitis. In the past, doctors had recommended that people with diverticular disease (diverticulosis or diverticulitis) avoid hard-to-digest foods such as nuts, corn, popcorn or seeds, because of the risk that these foods may get stuck in the diverticula and lead to inflammation.
While an increase in fiber and liquid intake is recommended to avoid future inflammation, dietary modifications are necessary when you're experiencing symptoms of diverticulitis. Do not consume course grains, dried fruits, beans, peas, skins from fruits or vegetables, pickles, cucumbers, strawberries, corn and coconut.