Blue Tetra

Picture of Blue Tetra

Description of the Blue Tetra

The Blue Tetra is also known as Cochu's Blue Tetra. It is a very active freshwater tropical fish and requires a large tank with plenty of planting.The Blue Tetra can be a 'fin nipper' if kept in cramp conditions or with long fin fish, Angel Fish for example.

Popular Name: Blue Tetra
Species: Knodus borki

Picture of a Blue Tetra

Blue Tetra

Facts - Information - Picture - Video

Profile of the Blue Tetra
This Profile contains interesting facts and information about the Blue Tetra species.

  • Size: Up to 5cm

  • Fish Tank conditions: PH 6.0 to 7.5. Temp 22 to 27 Degrees

  • Diet / Feeding: Frozen Brine Shrimp, Frozen Bloodworms

  • Temperament: Active Fish, Keep at least six together

  • Habitat: Amazon River Basin

  • Behaviour: Usually peaceful, but can be a 'fin nipper'

  • Range: Amazon River, South America

Scientific Classification of the Blue Tetra
Definition: Scientific classification, or biological classification, is how biologists group and categorize species of organisms with shared physical characteristics. Scientific classification belongs to the science of taxonomy.

  • Species: Knodus borki

  • Popular Name: Blue Tetra - Cochu's Blue Tetra

  • Kingdom: Animalia

  • Phylum: Chordata

  • Class: Actinopterygii

  • Order: Characiformes

  • Family:Characidae

Interesting Facts and Information - How do you identify the sex of a Blue Tetra?
The males and females of many fish species have different colors or different shaped bodies. But there are also other fish species where there is no visible difference. Its sometimes tricky being an ichthyologist!


Interesting Facts and Information - Why are Blue Tetra slimy?
Blue Tetra secrete a type of mucus, or slime, from their skin. This slime provides protection against parasites and infections and helps the Blue Tetra to move through the water faster. Some fish species also release toxins in their slime which ward off enemy attacks. Other fish species use their slime to feed their young.

Interesting Facts and Information -
Why do Blue Tetra have gills?
Gills enable the Blue Tetra to breathe. Gills consist of thin sheets of tissue containing blood vessels. As water passes over the gills oxygen is absorbed into the blood stream Carbon dioxide passes out into the water. The gills are protected by a large bony plate called an operculum. Some fish species however have lungs and breathe air.

Interesting Facts and Information -
Why do the Blue Tetra have fins?
A fin is an external appendage or "limb" of a fish. Fins are used for directing, stabilizing, or propelling the different fish species in water. Numbers of fins vary between fish species, but there are usually seven. Each of the fins on a fish are designed to perform a specific function:

  • Dorsal fins - The dorsal fin is located on the backs of fishes. The Blue Tetra has Dorsal fins to lend stability in swimming.

  • Ventral fins. The ventral fin is located on the pelvic area of fishes. The Blue Tetra has Ventral fins to lend stability in swimming.

  • Caudal fins. The Caudal fin is located on the tail area of fishes. The Blue Tetra has Caudal fins to propel through the water.

  • Pectoral fins. The Pectoral fin is located on the breast area of fishes. The Blue Tetra has Pectoral fins to for locomotion and side to side movement

Interesting Facts and Information about Blue Tetra

Blue Tetra

  • Interesting Information about Blue Tetra

  • Facts about Fish Species - Why are Blue Tetra slimy?

  • Why do the Blue Tetra have gills?

  • Facts about Fish Species - Why do the Blue Tetra have fins?

  • Species: Knodus borki

Fish Species

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