The Habitat of Hypancistrus Inspector Fish in Nature - fish-hobbyist

The Habitat of Hypancistrus Inspector Fish in Nature

Meta Description: Rio Negro Is The Habitat Of Hypancistrus Inspector Fish In Nature. What Are The Amazing Fact Of The Beautiful Catfish's Habitat?

Even though you can have it in the aquarium, have you ever wondered about the habitat of hypancistrus inspector fish in nature? The natural habitat of the beautiful catfishes is Rio Negro, the biggest black river in the world. Although, the black color is more similar to tea rather than dark-pitch black. In addition, the Rio Negro means "black," which suits the river's description.

In this article, you will learn about the Rio Negro, the habitat of hypancistrus inspector fish in nature. Let's dig!

Located In Venezuela

Rio Negro is located in Venezuela and flows into Rio Amazon in Brazil. To be precise, Rio Negro is a tributary of the Amazon river. According to NASA, while they took photos of Rio Negro, there were other rivers with the different and same colors as Rio Negro.

Even though the river is located in Venezuela, the river connects three countries together (Brazil and Colombia).

Has A Tributary With Opposite Color

There are three rivers near Rio Negro; one river is called the white river, while the other two are called black rivers. Rio Branco, which is called the white river, is a tributary of the Rio Negro, while the other two black rivers are named Rio Caures and Rio Jufari. The black rivers join Rio Negro in the scene.

For your information, Rio Branco is the biggest tributary of Rio Negro.

Why are there different Colors in Such Close Proximity?

The river's black color or tea-like color is due to the soils of lowland forests. The leaves and decaying organic matter from there make the color of the river turn darker and darker. 

According to the Journal of Brazilian Chemical Society, the high concentration of humic compounds with additional low sediment load makes the humic acid and fulvic acids make the water black.

The interesting part of the research, the Rio Negro basin forms a homogeneous blackwater group, unlike its tributary (Rio Branco), which has an intermediate value between black water and white water. 

In opposite, the white river's source is from a mountain area that has a lot of sediment, mud, and sand. In addition, the water that streams from mountains usually weather the rock: therefore, they contain its particle.

The mud and sand particles make the Rio Branco's color light, in contrast to Rio Negro, which has a black color.


Rio Negro, which is the habitat of hypancistrus inspector fish in nature, has a low pH which means acidic. The water there is acidic with pH ranging from 2.9 to 4.2 and has a low quality of mineral content.

In addition, the conductivity is in the same frequency as pH (very low). The river's conductivity is only 8┬ÁS. Because of the extreme acidic properties, the hypancistrus inspector fish can tolerate an environment with low pH and extremely dilute water.

Affected by La Nina Phenomenon

Like the rest of the environment, Rio Negro is also affected by climate change and phenomena like La Nina. From November 2020 to June 2021, the rise of temperature of the Atlantic Ocean, along with the La Nina phenomenon, increases the rainfall intensity.

Let's Prevent Climate Change to Protect The Habitat of Hypancistrus Inspector Fish!

Because of climate change, many species are in danger, including hypancistrus inspector fish. Let's do our best to protect the habitat of hypancistrus inspector fish by using clean energy and don't litter to make the environment clean.

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