Largest Sharks by Length

About This Dataset

The largest shark species by maximum reliably measured length, in metres. The whale shark is by far the biggest, reaching around 18 metres - the largest fish of any kind alive today - yet it feeds harmlessly on tiny plankton.

✨ AI Insight

The whale shark (18 m) utterly dominates, roughly half again as long as the second-place basking shark (12.27 m), and the two giants dwarf every predatory shark below them. Crucially, the two largest sharks are both gentle filter-feeders that strain plankton from the water - size and ferocity are unrelated. The famous hunters trail far behind: the tiger shark (7.4 m) and great white (7 m) are less than half the whale shark's length, and the great hammerhead (6.1 m) smaller still. The pattern overturns a common intuition: the ocean's biggest sharks are not its most dangerous, while the fearsome predators of popular imagination are middling in size compared with the plankton-eating leviathans above them.

Source: Smithsonian Ocean / Save Our Seas Foundation

Key Findings

Auto-computed highlights from this dataset

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Whale shark leads with 18 in All Time.

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Average value in All Time: 10 · median: 7.

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Gap in All Time: Whale shark is 3× larger than Great hammerhead shark.