The world's fastest spider tops 3.5 metres per second
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- Heteropoda jugulans (the jungle huntsman spider), a 3-gram arachnid from Queensland, was clocked at 3.59 metres per second by Christofer Clemente's team at the University of the Sunshine Coast, eclipsing every other documented species.
- Shreyas Kuchibhotla at Imperial College London led a global study collecting 162 live spider species from the UK, North America, southern Europe and Australia, then combined those tests with speed recordings of 96 additional species from other research teams.
- The Moroccan flic-flac spider (Cebrennus rechenbergi) had held the official record at 1.7 m/s, but Jonas Wolff at the University of Greifswald disputes it, calling the rolling-tumbling motion "not running" and noting it only works downhill on sand dunes.
- The orange goblin spider (Oonops pulcher), weighing just 0.1 milligrams, surprised the team by moving at over 20 cm/s — Kuchibhotla said "nothing could have prepared me for how it practically teleported across the arena."
- After accounting for body size and shared ancestry, the team concluded that fast running is tied to longer legs, but not leg slenderness or whether a spider lives upside down — a finding Leanda Mason at Edith Cowan University framed as long legs being a spider's "speed gear."
- David Labonte at Imperial College noted that speed is "in principle, entirely determined by physics" but driven by lifestyle factors like hunting strategy, comparing spider variation to how a cheetah outruns similarly sized dogs.
Why it matters: By testing 162 species with a standardized grid, the team produced the first comprehensive comparative dataset on spider running speed, replacing a disputed single-species benchmark (the tumbling flic-flac) with biomechanical evidence spanning 258 species that identifies leg length — not slenderness or habitat — as the key driver of sprint speed.
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