SHARK VS SHARK

CladoselachevsTiger shark

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

ExtinctCladoselache fyleri×LivingGaleocerdo cuvier
QUICK VERDICT

Tiger shark is about 3.1× longer by these reference values.

Tiger shark uses a 5.5 m upper reference, compared with 1.8 m for Cladoselache. A clean mass ratio is not shown because at least one weight is not reliably reconstructed.

01

ON THE SAME SCALE

Human. Bus. Whale.
Pick your reference.

RELATIVE LENGTH · 0–24 METERS
ACladoselacheabout 1.8 m / 6 ft
BTiger sharklargest specimens exceed 5.5 m / 18 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.

MeasureCladoselacheTiger shark
Length referenceabout 1.8 m / 6 ftlargest specimens exceed 5.5 m / 18 ft
Weight referenceNot reliably reconstructedexceptional estimate over 900 kg / 2,000 lb
Bite forceNo defensible estimate usedUnknownNo dependable maximum foundUnknown
Timeabout 370 million years agoTropical and warm-temperate seas
DietSmall fishesTurtles, fishes, birds, carrion and more
03

WHAT THE DATA CAN SAY

Size is not the whole animal.

Length and weight

Cladoselache is represented by about 1.8 m / 6 ft; Tiger shark by largest specimens exceed 5.5 m / 18 ft. Calling it a modern-style shark hides major evolutionary distance. Both values describe exceptional animals, not an average adult.

Bite evidence

Cladoselache: No usable maximum-force model exists. Tiger shark: Popular figures are often repeated without a traceable species-level method.

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 was an early shark-like chondrichthyan with a streamlined body. Its broad diet is real; an exact maximum bite number is not well established.

04

TRACE THE CLAIMS

Sources and limits.

CladoselacheSmithsonian National Museum of Natural HistoryTiger sharkFlorida MuseumHow we standardize comparisonsRead the methodology →