Which guppy varieties are easy to keep?

There are many guppy varieties and most are easy to keep, including Grass, Platinum, Tuxedo, Mosaic, Solid, Swordtail, Metal, Leopard, Old-type, and Snake-Skin. Tuxedo guppies are lively, gentle, and adaptable with low difficulty, but shorter-lived. Solid guppies are also easy because they are not demanding about water quality and are not picky eaters, so they are easy to keep.