The cave angel fish, Cryptotora thamicola, has a strikingly unusual ability.
Not only can this fish swim, but it can also walk on land.
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Cave angel fish are part of the hillstream loach family, found in Asia.
In a new study of these fish, researcher reveal 10 other species that have this uncanny power.
They found a specific adaptation in the pelvis that lets these natural swimmers take to the terrain.
"These modifications are expected to provide a mechanical advantage for generating force against the ground."
—Flammang et. al
The adaptation is more common than researchers previously believed.
It has evolutionary significance as a link between watery habitats — where life began — and land.
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There are other types of land-walking fish, like mudskippers and frogfish.
But only loaches use this unique method — and only the cave fish has been observed using its gift.
Read more about the bizarre animals of the marine world.