Black Tetra

Tetras are probably one of the most common group of tropical fish available to the aquarium hobbyist. They are generally very easy to maintain, although more difficult to breed than other forms of commonly available aquarium fish.
There are many different species of tetras. Tetras also comprise minnows from various genus including: Aphyochrax, Gymnocorymbus, Hemigrammus, Hypherssobrycon, Nematobrycon, Paracheirdon and Phenacogrammus. We have listed a few of the more commonly available species. Tetras generally do best in schools of 6 or more fish.

Black Tetra

Gymnocorymbus ternetzi

Origin: South America: Paraguay and Guaporé River basins (southern Brazil, Argentina and Bolivia)..

Temperament: Peaceful. Excellent for community tanks.

Feeding: Flake foods, adult brine shrimp, bloodworms & other live foods
Temperature Range: 68-78°F.
pH: 6-8.3
dH: 5.0 - 19.0
Adult Size: 2"
Sexing: Female is a little wider and anal fin is narrower and runs parallel with its second vertical line.

Breeding Black Tetras: Place in a 5 gal. tank that is well planted. Condition spawners with brine shrimp, live brine shrimp nauplii, frozen blood worms, etc. Remove parents after the eggs are laid.
Feed newly hatch fry infusoria, and then on microwoms, or vinegar eels for a few days, until they are large enough to eat newly hatched brine shrimp nauplii.