Hippos move through water at speeds of up to 5 miles per hour (8 km/h) on average, though some sources report they can reach up to 12 mph (19 km/h) in short bursts underwater.

Quick Scoop: Hippo Speed Facts

Aspect| Detail
---|---
Average underwater speed| 5 mph (8 km/h) 13
Maximum reported speed| 12 mph (19 km/h) 47
Land speed comparison| Up to 22 mph (35 km/h) 1
Human swimming speed| 3–4 mph (average) 3
Can they actually swim?| No—they "gallop" along the river bottom 19

How Hippos Move Underwater

Hippos don't swim in the traditional sense. Instead, they use a unique locomotion method:

  1. Galloping motion : They push off the river/lake bottom with powerful legs
  1. Tail steering : Their tails help guide direction underwater
  1. Webbed toes : Provide additional propulsion
  1. Breathing adaptation : Ears and nostrils close underwater; they can hold breath for up to 5 minutes

Why Hippos Are Surprisingly Fast in Water

Despite weighing up to 3,000 pounds (1,360 kg) , hippos are incredibly agile underwater:

  • Their dense, muscular bodies are adapted for aquatic locomotion
  • Movement is more like running underwater than swimming
  • They're faster than most humans in water (humans average 3–4 mph)
  • They're very territorial and will charge angrily at intruders

Key Takeaway

Hippos may look slow and clumsy, but they're actually one of the fastest large mammals in water—capable of outswimming humans easily while "galloping" along the riverbed.

Information gathered from public forums or data available on the internet and portrayed here.