Sharks in the Swan River may mean it’s gotten saltier.

Dolphins, trumpeter, and now sharks in the Swan River! The waterways have really deviated from pre-European times. There are even artificial oxygenation plants to “improve the health of the rivers.”

https://youtu.be/a7dC9KO9Zw0

 

Yours sincerely,

Dr Richmond Loh 

DipProjMgt, BSc, BVMS, MPhil (Pathology), MANZCVS (Aquatics& Pathobiology), CertAqV, NATA Signatory.
THE FISH VET, Perth, Western Australia, AUSTRALIA. 

Mobile Aquatic Veterinary Medical & Diagnostic Services.
http://www.thefishvet.com.au
Ph: +61 (0)421 822 383

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