They are Australian salmon found in the southern waters. Tailor are a pelagic fish generally caught from Queensland north...they are known as Elf in South Africa and Bluefish in America.
They are not like Atlantic or other Salmon as we know them....in fact they are not really that good for eating but are a good sport fish....Tailor are better eating, but only when very fresh.
I have caught plenty of Tailor in Queensland but never caught Salmon as I lived too far north.