Danube bleak gravel bottoms. The females arrive later and deposit about twenty thousand eggs which stick to stones and gravel. These hatch after two or three days and the larvae stay among the gravel for another ten days before moving to backwaters and shallows where they feed on zooplankton, insect larvae and algae. The juvenile fish migrate down stream in the autumn or the spring of the following year. They may become mature in four to five years. Danube bleak The Danube bleak or Caspian shemaya ("Alburnus chalcoides") is a species of freshwater fish in the family Cyprinidae. It is found in
Crab-eating raccoon Crab-eating raccoon The crab-eating raccoon or South American raccoon ("Procyon cancrivorus") is a species of raccoon native to marshy and jungle areas of Central and South America (including Trinidad and Tobago). It is found from Costa Rica south through most areas of South America east of the Andes down to northern Argentina and Uruguay. That it is called the crab-eating raccoon does not mean that only this species eats crabs, as the common raccoon also seeks and eats crabs where they are available. The crab-eating raccoon eats crab, lobster, crayfish and other crustaceans and shellfish, such as oysters and clams.