Rachow's Darter Tetra‎ (Characidium rachovii)

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Rachow's Darter Tetra‎

Hummingbird Tetra 1.jpg
Rachow's Darter Tetra

Characidium rachovii

57 Litres (15 US G.)

4-5 cm (1.6-2")




5.6 - 7.5

20 -24 °C (68-75.2°F)

10-25 °d

1:2 M:F

Pellet Foods
Flake Foods
Live Foods

5-8 years



Additional names

Rachow's Darter Tetra, Walking Tetra, Hummingbird Tetra

Additional scientific names

Characidium rachowi, Jobertina rachowi, Characidium theageri

Origin[edit | edit source]

South America: lower Paraná River basin; Uruguay River basin; coastal drainages from Rio Grande do Sul to La Plata River.

Tank compatibility[edit | edit source]

A bottom dwelling Tetra that appreciates others of it's kind. Do not keep with larger predatory fish, peaceful mid-top dwellers of similar size may work well such as Hatchetfish and Danios.

Diet[edit | edit source]

Will eat most kinds of food that end up on the bottom of the tank. However, due to its narrow mouth it has a hard time with sinking pellets and other larger foods. Seems to enjoy bloodworms.

Feeding regime[edit | edit source]

Feed once or twice a day.

Behaviour[edit | edit source]

Spends most of its time on the bottom of the tank, resting on its pectoral fins. Will occasionally hover in place by beating its fins rapidly, similar to a hummingbird.

Identification[edit | edit source]

The Darter Tetra has an elongated body with black markings running down the side. They have a narrow face and pronounced pectoral fins.

Pictures[edit | edit source]

External links[edit | edit source]