Sharks are found in all seas and are common to depths of 2,000 metres (6,600 ft). They generally do not live in freshwater although there are a few known exceptions, such as the bull shark and the river shark, which can survive and be found in both seawater and freshwater.
notable works. Pyotr Ilyich Tchaikovsky, Tchaikovsky also spelled Chaikovsky, Chaikovskii, or Tschaikowsky, name in full Anglicized as Peter Ilich Tchaikovsky (born April 25 [May 7, New Style], 1840, Votkinsk, Russiaâdied October 25 [November 6], 1893, St. Petersburg), the most popular Russian composer of all time.
5 June] 1901 â 17 July 1918) was the youngest daughter of Tsar Nicholas II of Russia and his wife Alexandra Fyodorovna. Anastasia was murdered with her family on 17 July 1918 by the Bolshevik secret police. She was a sister of Grand Duchess Olga, Grand Duchess Tatiana, Grand Duchess Maria, and Alexei Nikolaevich, Tsarevich of Russia. During the years of Communist rule nobody knew where she was buried.