rspca south australia published photos of the poor living conditions .
the cat owner , who was prosecuted for animal cruelty , lives in adelaide .
the pet owner has been fined $ 500 but his identity is yet to be revealed .
he pleaded guilty to a charge of failing to provide appropriate and adequate living conditions for the cats at the property .
the court granted him the return of two of his cats but the third remains in the rspca 's care .