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.
Pyotr (Peter) Ilyich Tchaikovsky was born on May 7, 1840, in Votkinsk, Vyatka region, Russia. He was the second of six children (five brothers and one sister). His father, named Ilya Chaikovsky, was a mining business executive in Votkinsk. His father's ancestors were from Ukraine and Poland.