Ruby tetra (Axelrodia riesei)

Scientific name: Axelrodia riesei G?ry, 1966

Ruby tetra (Axelrodia riesei)

The Ruby tetra (Axelrodia riesei) is a freshwater fish of the family Characidae that grows to about 1.7 cm (0.7 in). It is peaceful, suits community aquariums and needs a tank of at least 40 L (11 US gal), water at 20–26°C (68–79°F) and a pH of 5.0–7.0. Native range: South America, Upper Meta River basin in Colombia.

Ruby tetra care at a glance

Temperament
Peaceful
Community tank
Good
Adult size
1.7 cm (0.7 in)
Minimum tank
40 L (11 US gal)
Temperature
20–26°C (68–79°F)
pH
5.0–7.0
Diet
Omnivore. Accepts flakes, pellets, freeze-dried foods, bloodworms and brine shrimp.

Biology

Strongly red in nature, but gets pale in captivity. Maximum length reported to reach 4 cm TL.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Axelrodia riesei
Family
Characidae (Characins)
Order
Characiformes (Characins)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
1.7
Environment
Freshwater;; pH range: ? - 7.0; dH range: ? - 8 benthopelagic
Climate
Tropical
Distribution
South America: upper Meta River basin.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: of no interest; aquarium: commercial
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

More tetras & characins

See all tetras & characins

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0. Aquarium care parameters compiled, checked and converted to metric and imperial units by Guppies.za.net.

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