in taxon saurel yellowtail horse mackerel itis:642029 The yellowtail horse mackerel, *Trachurus novaezelandiae*, is a jack in the family *Carangidae* found around Australia and New Zealand at depths of up to 500 m. Its length is up to 50 cm. The yellowtail horse mackerel is very similar to the greenback horse mackerel but has 68 to 73 lateral line scutes, compared with 76 to 82 for the greenback horse mackerel. trachurus novaezelandiae Trachurus novaezelandiae requires discussion