Common thresher is about 3.8× longer by these reference values.
Common thresher uses a 7.6 m upper reference, compared with 2 m for Frilled shark. Common thresher's weight reference is about 23× heavier.
ON THE SAME SCALE
Human. Bus. Whale.
Pick your reference.
Length bars use upper comparison values and do not show body depth, tail proportion or typical adult size. A long thresher tail, for example, does not equal whale-shark body mass.
THE NUMBERS
Side by side.
WHAT THE DATA CAN SAY
Size is not the whole animal.
Length and weight
Common thresher is represented by reported to 7.6 m / 24.9 ft; Frilled shark by about 2 m / 6.6 ft. Length comparisons can exaggerate body bulk because the tail is exceptionally long. Deepwater records remain limited.
Bite evidence
Common thresher: Its hunting performance cannot be reduced to jaw force. Frilled shark: No standardized maximum is available.
Living versus extinct
Both species are living, but record-sized individuals are rare. These upper references should not be read as normal adult size.
Ecology changes the matchup
Much of its length is tail, which it uses to stun prey. Its body plan looks ancient, but living frilled sharks are modern species—not unchanged fossils.
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