Every 3 ounces of tuna canned in water has around 22 grams of protein and less than 1 gram of fat, so it's safe to enjoy tuna a few times a week. (themilitarydiet.com)
Four ounces of white tuna canned in water (the version used in the research) provide 26 grams of protein and only 2 grams of total fat. (whfoods.com)
An empty cat - food or tuna can makes a good, stable water bowl. (solanoferals.org)