All six sturgeon species naturally occurring in the Danube River from the Black Sea (BS) to
the upstream reaches in Germany today are under severe pressure and classified as either …

Several hypotheses explain the prevalence of undifferentiated sex chromosomes in
poikilothermic vertebrates. Turnovers change the master sex determination gene, the sex …

Simple Summary Sturgeons are among the most endangered groups of species due to the
decline of wild populations, which are threatened by overfishing, habitat loss and pollution …

European grayling (Thymallus thymallus) is an endangered salmonid fish species and its
populations have decreased considerably in European waters in recent decades. One of the …

Sturgeons are an ancient order of fish (Acipenseriformes), dating back in their occurrence to
over 200 million years ago. The order comprises two families (Acipenseridae and …

Simple Summary Aeromonas salmonicida represents an important cause of mortality in a
broad diversity of fish species, in which it has been extensively reported. Nevertheless …

In the wild, overfishing, habitat loss, industrial and agriculture activity has led to the
degradation of freshwater habitats and, therefore, dramatically declines the Mississippi …

Sturgeons are well known for the delicacy of their eggs, the caviar, one of the most valuable
products on the food market. The high price of caviar led in the past to a severe overharvest …

Fisheries management has expanded from a traditional focus to a more holistic model
based on a model describing the change in the number of generations of fish under the …

Atlantic sturgeon (Acipenser oxyrinchus), also known as Baltic sturgeon, is considered
missing or extinct in German waters. Current conservation efforts focus on re-stocking …