SHARK VS SHARK

Epaulette sharkvsMegalodon

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×ExtinctOtodus megalodon
QUICK VERDICT

Megalodon is about 14× longer by these reference values.

Megalodon uses a 15.3 m upper reference, compared with 1.07 m for Epaulette shark. Megalodon's weight reference is about 16000× 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
BMegalodonevidence-based upper estimate 14.1–15.3 m / 46–50 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 sharkMegalodon
Length referencereported to 1.07 m / 3.5 ftevidence-based upper estimate 14.1–15.3 m / 46–50 ft
Weight referencelarge-adult reference about 3 kg / 6.6 lbmodeled reference around 48,000 kg / 53 tons
Bite forceNo dependable maximum foundUnknownmodeled range about 108,514–182,201 NModeled
TimeShallow coral reefs of Australia and New Guineaabout 20–3.6 million years ago
DietWorms, crustaceans and small fishesLarge marine mammals, turtles and fishes
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; Megalodon by evidence-based upper estimate 14.1–15.3 m / 46–50 ft. Mass varies strongly with size and is shown only as a reference. No complete skeleton exists; 15.3 m is an evidence-based maximum from museum specimens, not a tape measurement.

Bite evidence

Epaulette shark: No standardized maximum is used. Megalodon: Finite-element scaling produced a range, not a directly measured bite.

Living versus extinct

At least one animal is known from fossils. Fossil length, weight and bite estimates depend on which living analogues and scaling equations researchers choose.

Ecology changes the matchup

It can use its fins to walk across reef flats and tolerate low oxygen. Nearly every whole-body number is reconstructed from teeth and comparisons with living sharks.

04

TRACE THE CLAIMS

Sources and limits.

Epaulette sharkAustralian MuseumMegalodonWroe et al. (2008) + Shimada et al. (2020)How we standardize comparisonsRead the methodology →