they're skin are all the same, shark like roughness if that's what you mean. bagarius rutilus is the medium sized specie, probably reaching around 30" or so, or documented at 39"
yarelli, gets much larger, in the wild, near 5 feet or bigger i've seen on fishing videos., but darker coloration
yarelli, gets much larger, in the wild, near 5 feet or bigger i've seen on fishing videos., but darker coloration