Freshwater ecosystems are very vulnerable to invasion by pests, including introduced animals and weeds. Since European settlement many exotic fish have been accidentally or deliberately introduced into New South Wales (NSW) waterways, and some have become wide…
The direct threat from the killer warty comb jellyfish to the Baltic cod population has been shown not to be so serious after all. Even though the invasive killer jelly feeds constantly, cod eggs seem not to be on the menu. In fact, if they accidentally swallo…
