Shark Catfish

Picture of Shark Catfish

Description of the Shark Catfish

The Shark Catfish is also known as the Colombian Shark Catfish and Blackfin Catfish. As a Juvenile it requires brackish water conditions, however as an adult it is a saltwater species. Being able to care for this species as both a juvenile and an adult should be considered before purchase. They are a very active fish and require a large tank. The shark catfish has venomous dorsal spines which can cause painful wounds, care should be taken when cleaning the tank.

Popular Name: Shark Catfish
Species: Hexanematichthys seemani

Picture of a Shark Catfish

Shark Catfish

Facts - Information - Picture - Video

Profile of the Shark Catfish
This Profile contains interesting facts and information about the Shark Catfish species.

  • Size: Up to 40cm

  • Fish Tank conditions: PH 6.0 to 8.0. Temp 22 - 26 Degrees

  • Diet / Feeding: Flaked, Frozen or Dried Food

  • Temperament: Active Fish, require a large tank

  • Habitat: Coastal Waters and Brackish Rivers

  • Behaviour: Predators, will eat smaller fish

  • Range: Central America, South America: Rivers draining into Pacific Ocean

Scientific Classification of the Shark Catfish
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: Hexanematichthys seemani

  • Popular Name: Shark Catfish - Colombian Catfish - Black Fin Catfish

  • Kingdom: Animalia

  • Phylum: Chordata

  • Class: Actinopterygii

  • Order: Siluriformes

  • Family: Ariidae

Interesting Facts and Information - How do you identify the sex of a Shark Catfish?
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 Shark Catfish slimy?
Shark Catfish secrete a type of mucus, or slime, from their skin. This slime provides protection against parasites and infections and helps the Shark Catfish 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 Shark Catfish have gills?
Gills enable the Shark Catfish 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 Shark Catfish 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 Shark Catfish has Dorsal fins to lend stability in swimming.

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

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

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

Interesting Facts and Information about Shark Catfish

Shark Catfish

  • Interesting Information about Shark Catfish

  • Facts about Fish Species - Why are Shark Catfish slimy?

  • Why do the Shark Catfish have gills?

  • Facts about Fish Species - Why do the Shark Catfish have fins?

  • Species: Hexanematichthys seemani

Fish Species

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