Do pacu fish eat leaves?
Pacu are vegetarians by preference and omnivorous by opportunity. Their flat molar-like teeth are a sign they have been well adapted to a diet of fruit and veggies.They will probably eat almost any plant matter. Some leaves, like oak leaves and beech leaves have high levels of tannins and are acidic so they would not be a good food even if they ate them. The same with grass clippings. Most lawns have fertilizers and insecticides, engine oil and gasoline residue from the lawnmower, and even fresh clippings are in a state of anaerobic decay. I’m sure 99% plus of aquarists including you would instinctively know they are unsuitable, but for the 1%, I’ll mention it. Aquatic plants like Java moss and Java fern contain substances to make them taste bad. If a pacu tries to eat them anyway, they may be bad for him. Spinach leaves are OK for them to eat, some good nutrition in them, but be sure to only use them as infrequent treats since the oxalic acid levels in spinach can cause problems with
