Carp are bottom feeders, eating a great deal of — or mostly — dead plant and animal matter. They thrive in muddy water. Some consider the flesh to taste murky because of this and avoid eating it. read more
Carp are considered a trash fish for many reasons. They reproduce like crazy. they pretty much destroy whatever ecosystem they invade, and they have very limited commercial value. You can eat carp but it is very much an acquired taste. read more
A fish that is considered a rough fish in one region may be considered a desirable game and food fish in another, often due to cultural differences or simply tradition. For example, the common carp is considered an undesirable rough fish in the United States and Australia, but is the premier game fish of Europe and the single most important food fish across most of Asia. read more