Great white shark that killed Sydney surfer Mercury Psillakis off Long Reef Beach believed to be 3.6m long

The shark that killed a beloved dad and surfer on Sydney’s northern beaches at the weekend is believed to have been about 3.6m long.

Mercury Psillakis, 57, was attacked and killed by the great white while surfing off Long Reef Beach on Saturday.

The father-of-one had only been in the water for…