Deep Blood

Deep Blood also known as Squali and Sangue negli abissi Blood in the Abyss is a 1989 Italian shark attack film directed by Raffaele Donato and Joe DAmato and written by George Nelson Ott. It was edited by Kathleen Stratton, and contained original music by Carlo Maria Cordio. The film was made in Italy by Filmirage S.r.l. and Variety Film Production.

As of 2011, the film has still not been officially released in the United States in any home video format. It was released on DVD in the Czech Republic in 2009.

Source: Wikipedia