The meeting line between the dorsal and ventral coloration is often irregular. A white spot may be seen at the tips of the pectoral fins.[2][6] The common thresher is the largest thresher shark species, commonly reaching 5 m (16 ft) long and 230 kg (510 lb) in weight.[3] The confirmed length record for this shark is 5.7 m (19 ft), while the maximum possible length may be 6.1–6.5 m (20–21 ft).[2] The heaviest individual on record is a 4.8 m (16 ft) female that weighed 510 kg (1,120 lb).[10]