The invasive round goby has a recognised role in transferring contaminants through foodwebs, but little work has been done on contaminant impacts on round gobies themselves. Here we present the first case study of contaminant biomarkers and subpopulation structure variation in round gobies, in relation to habitat contamination, within a Canadian Area of Concern, Hamilton Harbour. Copper and cad...

The sequence of the mitochondrial DNA control region was examined in four species of lamprey in the genus Lethenteron. The 3' half of the control region contains highly variable repeat sequences, showing variation in both copy number and nucleotide sequence, even within local populations. Detailed analyses of the sequences of the repeats allowed us to deduce that slipped-strand mispairing durin...

Since the invasion of round gobies (Neogobius melanostomus) to Lake Michigan, they have become integrated into both nearshore and offshore food webs. Round can be found in relatively shallow water (<20 m) during summer, but nearly disappear from these depths early fall. They been collected, occasionally, greater than 70 m warm seasons. These observations other anecdotal evidence suggest that mi...

The Eurasian round goby Neogobius melanostomus (Apollonia melanostoma) invaded the North American Great Lakes in 1990 through ballast water, spread rapidly, and now is widely distributed and moving through adjacent tributaries. We analyse its genetic diversity and divergence patterns among 25 North American (N = 744) and 22 Eurasian (N = 414) locations using mitochondrial DNA cytochrome b gene ...

The aim of this study was to assess the discriminability stocks round goby Neogobius melanostomus based on shape its otoliths. Recent otolith-shape-based species and stock discrimination studies were using otolith contours in sagittal plane we are following approach. We hypothesized possibility existence several geographically separated populations goby. Round gobies have been sampled from diff...