Common thresher is about 2.1× longer by these reference values.
Common thresher uses a 7.6 m upper reference, compared with 3.54 m for Zebra shark. Common thresher's weight reference is about 9.7× 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; Zebra shark by reported to 3.54 m / 11.6 ft. Length comparisons can exaggerate body bulk because the tail is exceptionally long. Its very long tail adds substantially to total length.
Bite evidence
Common thresher: Its hunting performance cannot be reduced to jaw force. Zebra shark: No standardized maximum is used.
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. Juveniles have stripes; adults are spotted despite the common name.
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