Sentence:  In the same genus there is another species which makes better eating. This is "A"["rripis"] "georgianus", popularly known as the <WSD>ruff</WSD> or tommy ruff (again, nothing to do with anything bearing that name in the Old World), but now officially called 'Australian herring' (another aberration). ... The <WSD>ruff</WSD>, on the other hand, although a smaller fish, makes good eating; its flesh is tender and tasty. 
Meaning of the word marked with <WSD> tags:  (Arripis georgianus)(ver=170921), a fish found in cool waters off the southern coast of Australia; the (Australian herring) or tommy ruff.