SHARK VS SHARK

Epaulette sharkvsPacific sleeper shark

Length, weight and bite evidence—plus context from a human, city bus and blue whale. Every number below carries its uncertainty with it.

LivingHemiscyllium ocellatum×LivingSomniosus pacificus
QUICK VERDICT

Pacific sleeper shark is about 6.5× longer by these reference values.

Pacific sleeper shark uses a 7 m upper reference, compared with 1.07 m for Epaulette shark. Pacific sleeper shark's weight reference is about 302× heavier.

01

ON THE SAME SCALE

Human. Bus. Whale.
Pick your reference.

RELATIVE LENGTH · 0–24 METERS
AEpaulette sharkreported to 1.07 m / 3.5 ft
BPacific sleeper sharkreported near 7 m / 23 ft
REFAdult human1.8 m · about 80 kg

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.

02

THE NUMBERS

Side by side.

MeasureEpaulette sharkPacific sleeper shark
Length referencereported to 1.07 m / 3.5 ftreported near 7 m / 23 ft
Weight referencelarge-adult reference about 3 kg / 6.6 lblarge-animal estimate about 907 kg / 2,000 lb
Bite forceNo dependable maximum foundUnknownNo dependable maximum foundUnknown
HabitatShallow coral reefs of Australia and New GuineaCold North Pacific, often deep
DietWorms, crustaceans and small fishesFishes, squid, marine mammals and carrion
03

WHAT THE DATA CAN SAY

Size is not the whole animal.

Length and weight

Epaulette shark is represented by reported to 1.07 m / 3.5 ft; Pacific sleeper shark by reported near 7 m / 23 ft. Mass varies strongly with size and is shown only as a reference. Large values often depend on indirect or incomplete records.

Bite evidence

Epaulette shark: No standardized maximum is used. 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

It can use its fins to walk across reef flats and tolerate low oxygen. Rare encounters make its maximum size less certain than familiar coastal species.

04

TRACE THE CLAIMS

Sources and limits.

Epaulette sharkAustralian MuseumPacific sleeper sharkAlaska Department of Fish and GameHow we standardize comparisonsRead the methodology →