The Fish That Walks Sideways — and Backwards!

Professor Pip's pockets were dripping. He had just come up from the riverbank carrying a great glass bowl of water — and inside the bowl, something orange scuttled sideways across the pebbles.

"Oh my whiskers!" he cried, plopping the bowl onto the dock. "Come see, come see!"

Mia leaned so close her nose fogged the glass. "What is that? It looks like a shrimp wearing a fish costume."

"You are very close!" Pip laughed. "Scientists actually nicknamed it a 'fish-prawn hybrid.' It's called an armored sea robin. And today, my friends, we're going to learn how a fish can walk."

Leo frowned. "Fish don't walk. Fish swim."

"That is what everybody thought!" Pip pulled out his magnifying glass and held it up to the bowl. "Look at its fins."

The kids squinted. The sea robin had two big fan-shaped fins on its sides — like little skirts — but poking out below them were six spindly finger-like rods, tapping the pebbles one at a time. TAP. TAP. TAP.

"Those little rods are called fin rays," Pip whispered. "Most fish keep them tucked inside their fins for swimming. But sea robins have set them free — like tiny legs. Each one moves on its own, just like your fingers."

He wiggled his own paw-fingers to show them.

"But watch this." Pip gave the bowl the gentlest little bump. Startled, the sea robin turned — and skittered sideways along the pebbles, then backwards!

"NO WAY!" shouted Leo, jumping up.

"Way!" said Pip, tail swishing wildly. "Real scientists filmed this last week, four thousand feet down in the sea, with a submarine. It's the first time anyone has seen a fish walk sideways or backwards. Not a single other fish on Earth is known to do it."

"Like a crab!" Mia said. "Crabs go sideways!"

"Exactly right!" Pip clapped. "The sea floor is a bit like a crowded pantry — you have to sneak between rocks and reach into little pockets to find snacks. Walking gives the sea robin control that swimming can't. And those little fin-fingers can even taste the sand as they tap — feeling for hidden worms and tiny shrimp."

He looked down at the fish and softened. "For hundreds of years we thought we knew what fish could do. Then we sent a camera into the deep, and the ocean surprised us again. That's the beautiful thing about science, isn't it? The world is always a little wilder than we imagined."

He handed Mia and Leo a smooth pebble each. "Now — hold this like a fin ray. Can you 'walk' it across the dock with just your fingertips?"