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Tumbes

At night, entire crates disappear from the Tumbes fish market. Giant footprints lead to the Río Tumbes, and everyone is sure: Peru's only crocodile is the culprit.

However, Perusina discovers a flaw in the prints. This begins a wild chase across the market, the river, and through the waterways in northern Peru's green landscape.

Perusina, Perusino, and Franz follow fake crocodile tracks at the Tumbes fish market

The Case of the Fake Crocodile Tracks

A Tumbes crime story about vanished fish crates, wooden crocodile feet, and a formidable suspect who cannot explain his own innocence.

As Perusina, Perusino, and Franz walked through the Tumbes fish market early in the morning, something was not right.

No one was shouting prices. No one was laughing. Even the pelicans on the roofs waited unusually silently.

Empty fish crates and giant crocodile tracks at the Tumbes market
Three fish crates have disappeared. Only giant tracks remain in the wet sand.

Doña Maribel stood in front of an empty stall, pointing to the ground. "Three crates of fish," she said. "Just vanished. And this is the third night."

Giant prints lay in the wet sand. Four toes, wide claws, with a drag mark in between.

"A crocodile!" shouted a vendor. "The crocodile from the Río Tumbes is robbing our market!"

Franz examined the empty fish baskets. "An animal with taste."

Perusina examines the fake crocodile tracks while Perusino steps into fish water
The tracks look too perfect. Perusino's own print, however, ends up in a bucket.

Perusina knelt beside the tracks. "Odd."

"What?" asked Perusino.

"Every print looks exactly the same. Even this small crack on the left claw."

Perusino placed his foot next to it. The print was almost three times as large. He then stepped backward into a bucket of fish water.

Splash!

Franz wrinkled his nose. "Now we have bait."

The tracks led from the market to the river. Not a single track led back. Between two prints, Perusina discovered a sharp edge, as if someone had pressed a plank into the sand.

Franz sniffed it. "Motor oil. Rope. Fish. And sweaty socks."

"A crocodile doesn't wear socks," said Perusina.

"Perhaps a polite one," Perusino suggested.

Perusina, Perusino, and Franz watch the fish thieves with wooden paws at night
The nocturnal crocodiles walk on two legs and carry their tracks themselves.

The following night, they hid among empty crates. Perusina lay behind a pile of nets. Perusino crouched under a table. Franz sat in a fish basket, quietly complaining about the view.

Shortly after midnight, two men crept into the market. On their feet, they wore wide wooden planks shaped like crocodile paws. Behind them, they dragged a sack across the ground. The drag mark looked exactly like the trace of a heavy tail.

"There are our crocodiles," Perusina whispered.

The men grabbed two full fish crates and ran to the river.

"Stop!" cried Perusino, jumping out.

Fast chase through the Tumbes fish market
The chase begins with falling crates, flying fish, and a sliding fox.

One of the thieves knocked over a crate. Fish slid across the floor. Franz shot out of his basket, stepped on a mackerel, and slid across the market on his belly.

"On purpose!" he cried as he slid past.

The thieves reached a motorboat. Seconds later, it sped across the Río Tumbes.

Doña Maribel's brother untied his small fishing boat from the pier. "Get in!"

Boat chase of the three friends on the Río Tumbes
The escape boat disappears among reeds and green waterways.

The chase led downstream. The thieves' boat disappeared among reeds and mangrove branches. Its light repeatedly appeared between the trees. Then it was gone.

"Which turn?" asked Perusino.

Franz lifted his nose. "Left! It smells of fish and bad socks there."

They turned. In front of them, mangrove roots swayed in the black water. Two eyes appeared between the leaves. Then a long, narrow snout emerged.

"Crocodile," Perusino whispered.

The real Tumbes crocodile leads the friends to the lost fish crate
Only eyes and nostrils rise out of the water. An important piece of evidence is clamped between its teeth.

Only eyes and nostrils protruded from the water. The rest of its body remained invisible.

The crocodile swam past them. A piece of rope was clamped between its teeth.

"That belongs to the fish crates," said Perusina.

They followed it.

Around the next bend, a broken crate lay in the water. Fish floated among the roots. The crocodile had only followed their trail.

Further ahead, the thieves' engine sputtered. When they noticed the crocodile, they spun their boat around. In doing so, they ran aground on a shallow sandbank. The engine howled. The boat didn't move an inch.

The fake crocodile feet are discovered in the mangrove mud
The fake crocodile tracks became the undoing of their inventors.

The men jumped into the knee-deep water, intending to flee. But their wooden crocodile feet got stuck in the mud. First one stumbled, then the other. Finally, both were stuck, thrashing like two overturned beetles.

Shortly thereafter, the river guards arrived. In the boat, they found the stolen fish crates, the dragging rope, and four carved crocodile feet.

The next morning, the entire market knew that the Tumbes crocodile was innocent.

Doña Maribel gave the friends breakfast. Perusina received fruit, Perusino a large bread, and Franz a bowl of water.

"Water?" Franz asked, offended.

"You already smell enough like fish," said Perusino.

From the river, two eyes emerged from the water.

Franz carefully pushed his bowl towards Perusino.

"You need it more," he said.

Case closed: Not the Tumbes crocodile, but two fish thieves stole the crates. Their wooden crocodile feet were meant to lay false tracks and ultimately became their biggest mistake.

What's in this adventure?

The Tumbes crocodile belongs to the American crocodile species and is the only naturally occurring crocodile species in Peru. Its most important habitat in the country is in the far north.
When swimming, often only its eyes and nostrils remain above water. An additional transparent eyelid protects its eyes underwater.
Near Puerto Pizarro, the Centro Acuícola Tuna Carranza works on the conservation of endangered crocodiles and their reproduction.

Three Friends' Clues

Perusina compares carefully

She recognizes that natural tracks never look perfectly identical and discovers the edge of the carved wooden paws.

Perusino starts the chase

He is the first to jump out of hiding and doesn't stop, despite fish water, market chaos, and a frantic boat ride.

Franz smells the difference

His nose finds motor oil, rope, and the trail of the fish crates. Only the smell of socks he would have liked to disappear.

Your Explorer Mission

Draw three real crocodile tracks that are slightly different from each other. Next to them, draw the same print of a wooden paw three times. Mark the repeated scratches and edges where Perusina could identify the fake.

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Questions about Tumbes

Did this story really happen?

No. The fish thieves and their wooden crocodile feet are fictional. However, Tumbes, the Río Tumbes, and the Tumbes crocodile are real.

Is the Tumbes crocodile a separate species?

It belongs to the American crocodile species with the scientific name Crocodylus acutus. In Peru, it is called the Tumbes crocodile due to its most important habitat.

Is it really the only crocodile in Peru?

Yes. The American crocodile is the only naturally occurring crocodile species in Peru. Its Peruvian presence is concentrated in the far north.

How can a crocodile see underwater?

It has a transparent additional eyelid. This nictitating membrane protects the eye and functions similarly to diving goggles underwater.

What do children learn in this adventure?

They learn to compare evidence, not to hastily accuse animals, and to understand why endangered species and their habitats must be protected.

Sources and further information

The factual information about Tumbes, the crocodile, and its protection is based on the following official information:

  • Parque de Las Leyendas: Cocodrilo de Tumbes
  • OSINFOR: El cocodrilo de Tumbes, guardián del agua
  • FONDEPES: Centro Acuícola Tuna Carranza and protection of the Tumbes crocodile
  • SERNANP: Santuario Nacional Los Manglares de Tumbes
  • PeruMagazin: Tumbes in Northern Peru