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
David B. Bleak carry him down the hill. As he attempted to withdraw with the wounded soldier, Bleak was confronted by two more Chinese. Putting down the soldier, Bleak reportedly surprised the Chinese soldiers by charging them and smashing their heads together with such force that he may have fractured the skulls of one or both of the assailants before pushing them out of his way. Eventually, all 20 men of the patrol returned to the UN lines, but a third of them were wounded. Bleak was credited with saving the patrol, both by promptly treating the wounded and by aggressively attacking and