| Reference no. | Lusk, S., J. Kosco, K. Halacka, L. Vetesnik and P. Kosuth, 2004 |
| Ecosystem | Tisza |
| Status | introduced |
| Abundance | abundant (always seen in some numbers) |
| Lifestage | adults |
| Regional database | |
| Remarks | Has been implicated in the decrease in populations of native species Umbra krameri, Carassius carassius and Leucaspius delineatus which were abundant in the past through competition for identical habitat requirements. |