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Hypostomus varimaculosus facts for kids

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Hypostomus varimaculosus
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Loricariidae
Genus: Hypostomus
Species:
H. varimaculosus
Binomial name
Hypostomus varimaculosus
(Fowler, 1945)
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Synonyms
  • Plecostomus varimaculosus

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The Hypostomus varimaculosus is a type of catfish that belongs to the Loricariidae family. It's also known as a "pleco" or "armored catfish" because of the bony plates that cover its body. This fish is originally from South America. You can find it living in the upper parts of the Japurá River basin, which flows through both Brazil and Colombia. This small fish usually grows to about 6 centimeters (or 2.4 inches) long. It has a special ability: it can breathe air from above the water if it needs to, which helps it survive in different conditions!

What is a Catfish?

Catfish are a very diverse group of fish. They get their name from the "whiskers" around their mouths, called barbels. These barbels help them find food in murky water. The Hypostomus varimaculosus is part of the Loricariidae family. These fish are often called "armored catfish" because they have tough, bony plates on their bodies. This armor helps protect them from predators.

Where Does the Hypostomus varimaculosus Live?

This specific catfish lives in freshwater rivers and streams. Its home is in the upper Japurá River basin. This river system is a large part of the Amazon River basin. The Japurá River flows through two countries in South America: Brazil and Colombia. These areas often have warm, tropical climates. The fish might live in parts of the river with slow-moving water. They often hide among rocks or plants.

What Does This Fish Eat?

Most fish in the Hypostomus group are herbivores. This means they mainly eat plants. They might graze on algae that grows on rocks and submerged wood. They use their special mouthparts to scrape off this algae. Sometimes, they might also eat small bits of decaying plant matter. Their diet helps keep the river clean by controlling algae growth.

Special Abilities: Breathing Air

The Hypostomus varimaculosus has a cool trick: it's a "facultative air-breather." This means it can breathe air from the surface of the water if it needs to. It doesn't always do it, but it has the ability. This is very helpful if the water in its habitat has low oxygen levels. For example, during dry seasons, water levels might drop. Or, if the water gets very warm, it holds less oxygen. Being able to gulp air allows the fish to survive in these challenging conditions.

Life Cycle and Reproduction

Like most fish, the Hypostomus varimaculosus starts its life as an egg. The adult fish will lay their eggs, often in a safe, hidden spot. After the eggs hatch, tiny fish called fry emerge. These fry grow bigger over time. As they grow, they develop the same armored plates and barbels as the adult fish. They will eventually become mature enough to reproduce themselves. This cycle helps ensure the species continues to thrive in its river home.

See also

Kids robot.svg In Spanish: Hypostomus varimaculosus para niños

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