Describing it as a “very, very traumatic incident,” Mr Robinson mentioned the household of the woman, who was from Perth, was “completely devastated by the information”.
Consultants had suggested that it was uncommon for sharks to be present in that a part of the river, he mentioned.
The state authorities warned individuals to take “extra warning” within the Swan River in North Fremantle and to abide by any seashore closures.
It was the primary deadly shark assault within the Swan River since a 13-year-old boy was killed in January 1923 within the Perth suburb of Claremont, in accordance with stories on the time and a database run by Taronga Conservation Society.
The final deadly assault in any Australian river was recorded in 1960 when a bull shark measuring an estimated 3.3 metres (practically 11ft) killed a snorkeller at Roseville Bridge in Sydney, the shark incident database confirmed.
In February final 12 months, a 35-year-old British diving teacher, Simon Nellist, was devoured off Sydney’s Little Bay Seashore, the primary such assault within the metropolis since 1963.
In response to Sports activities Australia, 4.5 million Aussies swim recurrently and no less than 500,000 surf.