DISCUSSION
This study highlighted the role of genetic data in the identification of the origin of H. leucisculus a non-native species in Iran. In fact, we investigated the origin of the introduction of the H. leucisculus in Iran and tried to explain how the suitable habitat will change using the SDM approach.
According to our results and the investigation of the genetic diversity of the H. leucisculus species in Iran, by using the cytb sequences and combining them with the sequences in the GenBank (NCBI), it was determined that there is no difference between Iran’s samples and all belong to a clade. As well as, it was also illustrated that there is no significant relationship between the sampling areas of the species in Iran and their origin in the native distribution area. The current study clearly showed the origin and the ancestral of all the samples are in the catchments of China and mostly the Yangtze River. In the other words, it can be theorized that China is the origin and native distribution range of H. leucisculus . These results were in line with Wang et al. (2021) findings.