SCAD • DICTIONARY ONE.COM • Definition of Scad

... is given in Victoria to the fish Caranx trachurus, Cuv. and Val.; the Horse-Mackerel (q.v.) of England. In New South Wales, it is Trachurus declivis, a slightly different species, also called Scad; but the two fish are perhaps the same. Seriola grandis, Castln., also of the Carangidae family, is likewise called Yellow-tail in Melbourne. In New Zealand, the word is used for the fish Latris lineata, of the family of Sciaenidae, and is also a name for the King-fish, Seriola lalandii, ...

— A Dictionary of Austral English • Edward Morris