The Australian bonito, horse mackerel or little bonito, Sarda australis is a fish of the family Scombridae and is found in eastern Australia and New Zealand. They swim at depths reaching depths of approximately 30 m (98 ft), in open water. Its length is commonly at around 40–45 centimetres (16–18 in) fork length and 1.8–2.3 kilograms (4.0–5.1 lb) weight.