Flag-Tailed Catfish (Dianema urostriatum)

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Flag-Tailed Catfish

Dianema urostriata.JPG
Flag-Tailed Catfish

Dianema urostriatum

76 Litres (20 US G.)

8-13 cm (3.1-5.1")




6.0 - 7.0

25 -28 °C (77-82.4°F)

5-19 °d

1:2 M:F

Pellet Foods
Flake Foods
Live Foods

5-8 years



Additional names

Flag-Tailed Catfish, Flagtail Catfish, Flagtail Porthole Catfish

Additional scientific names

Decapogon urostriatum

Origin[edit | edit source]

South America: Amazon River basin.

Sexing[edit | edit source]

Females are more chunky and thicker-set than males.

Tank compatibility[edit | edit source]

A peaceful larger catfish that does well in a community setting and happiest in a group. Best kept with similar-sized peaceful fish.

Diet[edit | edit source]

This fish is an herbivore, but will feed on other foods if enough vegetable material isn't available including catfish pellets and sinking foods, as well as scavenging any stray live/frozen foods offered to tank mates.

Feeding regime[edit | edit source]

Feed once or twice a day.

Environment specifics[edit | edit source]

These fish can be rather fragile when it comes to water parameters, preferring acidic conditions, and acclimatisation, so introduce them slowly to mature tanks only. Does well in planted tanks with large rocks, caves and pvc pipes to sit on and hide amongst. Due to their long delicate barbels, they are best kept on a sand substrate or with soft rounded gravel.

Behaviour[edit | edit source]

A docile fish that does well in groups of 5 or more as long as the tank is large enough. Will "bask" on rocks. Is a mid-bottom dwelling fish.

Identification[edit | edit source]

Compared with most Callichthyidae catfish, this fish is rather slender and is shaped like a torpedo. The most obvious sign that this is the D. urostriatum is its tail, with its black and white alternating horizontal stripe pattern.

Pictures[edit | edit source]

External links[edit | edit source]