The vicious black cat that attacked two police when they attempted to rescue it from a freeway has not been claimed by an owner.
The RSPCA plan to keep the cat, which left the policemen licking their wounds in hospital, until early next week before assessing if it is fit for adoption.
The cat had no collar, registration tags or microchips and an RSPCA spokesman said nobody had called the Burwood shelter to claim it.
"We want to give it the best chance we can to chill out and settle down before we see if it can be adopted," the spokesman said.
"There's nobody who has called in saying they're missing one, but I'm sure if we put it up for adoption there will be a lot of people who are interested."
If the cat is feral, or so unsociable that it cannot be adopted, it will be euthanased.
The cat-astrophe started about 6.50am on Thursday when the officers, from the St Kilda Road police station, were called to rescue the cat from the West Gate Freeway on-ramp at Kings Way.
The officers were badly bitten and scratched on their fingers, hands and wrists by the cat, but eventually managed to bundle it into a cardboard box with the help of CityLink staff.