Pacific sleeper shark is about 5.7× longer by these reference values.
Pacific sleeper shark uses a 7 m upper reference, compared with 1.22 m for Horn shark. Pacific sleeper shark's weight reference is about 91× 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
Horn shark is represented by reported to 1.22 m / 4 ft; Pacific sleeper shark by reported near 7 m / 23 ft. Weight is a rounded adult reference. Large values often depend on indirect or incomplete records.
Bite evidence
Horn shark: Experiments also measured bites; the displayed range is the study's theoretical maximum from front to rear teeth. Pacific sleeper 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
Its rear teeth crush hard prey, and its bite mechanics have been tested directly and modeled. Rare encounters make its maximum size less certain than familiar coastal species.
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