SHARK VS SHARK

CladoselachevsOceanic whitetip

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×LivingCarcharhinus longimanus
QUICK VERDICT

Oceanic whitetip is about 2.2× longer by these reference values.

Oceanic whitetip uses a 4 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
BOceanic whitetipreported to 4 m / 13 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.

MeasureCladoselacheOceanic whitetip
Length referenceabout 1.8 m / 6 ftreported to 4 m / 13 ft
Weight referenceNot reliably reconstructedrecorded to 167.4 kg / 369 lb
Bite forceNo defensible estimate usedUnknownNo dependable maximum foundUnknown
Timeabout 370 million years agoWarm open ocean
DietSmall fishesFishes, squid, turtles and carrion
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; Oceanic whitetip by reported to 4 m / 13 ft. Calling it a modern-style shark hides major evolutionary distance. The comparison deliberately distinguishes the record from common size.

Bite evidence

Cladoselache: No usable maximum-force model exists. Oceanic whitetip: A traceable, species-wide maximum is not available.

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. Most individuals are under 3 m even though larger records exist.

04

TRACE THE CLAIMS

Sources and limits.

CladoselacheSmithsonian National Museum of Natural HistoryOceanic whitetipFlorida MuseumHow we standardize comparisonsRead the methodology →