Are There Any Fish That Swim Upside Down?

Are There Any Fish That Swim Upside Down? bizarre of all are the upside-down catfishes (Mochokidae) of Africa, which can swim either in the normal position or inverted, with the belly uppermost; in one species, Synodontis batensoda, the coloration of the belly is darker than the back, a reversal of the usual pigmentation pattern. What

Are Guppies Scaless Fish?

Are Guppies Scaless Fish? These schooling fish will peacefully coexist with nearly any freshwater fish including guppies. They’re also called scaleless fish because of the very tiny, embedded scales that are barely noticeable. Which fish do not have scales? Fishes that don’t have scales include the clingfish, catfish, and shark family, among others. Instead of