Jews Behind Shark Attacks Against Muslim Swimmers

No.  Not really.  Unless you're a demented Muslim.  From Rueters:

"What is being said about the Mossad throwing the deadly shark (in the sea) to hit tourism in Egypt is not out of the question, but it needs time to confirm," South Sinai Governor Mohamed Abdel Fadil Shousha was quoted as saying by state news site egynews.net.

Egyptians often blame neighbouring Israel for a variety of problems such as drug and weapon smuggling, or say it supports media that seek to portray Egypt in a bad light.