title: Age and growth of invasive alien fish species, <i>Perccottus glenii</i> and <i>Lepomis gibbosus</i> , in water bodies of Transcarpathia (Ukraine)
abstract: Abstract The Transcarpathia region of Ukraine is one of the most vulnerable regions for bioinvasions. There are five invasive and nine native species in the artificial water bodies of plain Transcarpathia. This study focused on the life-history traits of the Chinese sleeper Perccottus glenii Dybowski and pumpkinseed Lepomis gibbosus (L.). The standard length of the Chinese sleeper varied from 14.40 to 94.85 mm, and the total weight varied from 0.11 to 20.05 g. The standard length of pumpkinseed 
journal: Fisheries & Aquatic Life