If you want to feed your guppy fish lettuce, it is best to do so as a treat only. Be sure to wash the lettuce thoroughly before feeding it to your fish, and only offer it in small amounts.
Can a guppy fish eat lettuce?
Guppy fish are omnivorous and can eat a variety of foods, including lettuce. However, lettuce is not a natural food for guppy fish and should not be fed to them as a staple diet. Lettuce is low in nutrients and high in fiber, which can cause digestive problems in guppy fish. Additionally, lettuce can contaminate the water with bacteria and other harmful microorganisms.