Rummynose Tetra Care Guide

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True Rummynose Tetra
(Hemigrammus rhodostomus)

Common names:
True Rummynose Tetra, Rummynose Tetra, Banded Rummynose Tetra.
Size: 5cm
pH: 5.0 – 7.5
Tempº: 22ºC - 27ºC
Tank region: Middle layer
Origin: Columbia, Brazil.
Gender: Males are thinner than females.
Notes: Many people think they own this tetra, but in fact own H.BlehrI (Bleher’s Rummynose) or Petitella georgiae (False Rummynose). This is because there are actually 3 similar, but distinct species of ‘Rummynose tetra’. H.BlehrI is the most common and colourful, but has the smallest range. The True Rummynose is considered the easiest to breed of the three, but is also the least colourful. The best way to tell the True Rummynose from the False Rummynose is to look at how dark the edging on the analfin is – the True Rummynose has a lighter edge than the False. It is much easier to tell the True Rummynose from Bleher’s Rummynose – in favourable conditions, the red area on the Bleher’s ectends past the gill and is much more vibrant than the True’s, and the Bleher’s lacks the black stripe on either side of the body which extends from the tail on the True and False Rummynose. An interesting fact about Rummynose tetras is that the better conditions, the darker the red. This fish is a schooling fish like all other tetras, meaning it needs to be kept in groups of at least 5, but prefers bigger groups. It does best in a planted tank.

Bleher’s Rummynose Tetra
(Hemigrammus bleheri)

Common names:
Bleher’s rummynose Tetra, Rummynose tetra, False rummynose tetra, Firehead tetra, Red-nosed tetra, Brillian Rummynose Tetra, Common Rummynose tetra.
Size: 5cm
pH: 5.0 – 7.5
Tempº: 22ºC - 27ºC
Tank region: Middle layer
Origin: Columbia, Brazil.
Gender: Males are thinner than females.
Notes: A popular tetra, well known for it’s high activity levels and brilliant colours. They are often mistaken for H.rhodostomus (True Rummynose Tetra) & Petitella georgiae (False rummynose tetra), but they are the most commonly available of them. They have much brighter red noses than the other species, lack the black mid body line, and their red region extends past the gill in favorable conditions, a feature that the other 2 species do not have. It also lacks the black edging on the analfin, which the other species have. It is a gregarious creature, requiring a school of at least 5 individuals – but is happier with more. They do best in a planted tank, where they have lots of cover to dart in and out of – an important requirement for all tetra species. An interesting fact about this species is it’s nose – the better water conditions it I kept in, the brighter the nose! This is the same for all 3 Rummynose species, although the Bleher’s rummynose will always have the brighter nose in good conditions, as this species is the most gaudy of the 3.

False Rummynose Tetra
(Petitella georgiae)

Common names:
False Rummynose Tetra, Rummynose Tetra, Black-Fined Rummynose Tetra, False Red-nose Tetra.
Size: 5cm
pH: 5.0 – 7.5
Tempº: 22ºC - 27ºC
Tank region: Middle layer
Origin: Columbia, Brazil, Peru.
Gender: Males are thinner than females.
Notes: A small, peaceful tetra that does well in planted aquariums, and like all tetras, must be kept in a group of at least 5 (but more is by far preferable). This species is often mistaken for Hemigrammus BleherI (Bleher’s Rummynose) or Hemmigrammus Rhodostomus (True Rummynose). It is easy to distinguish between the Bleher’s and the False Rummynose – the Bleher’s lacks black edging to the analfin, it lacks the black mid-body stripe and it’s red area extends behind the gill. It is more difficult to distinguish the False Rummynose from the True Rummynose – the analfin edging on the False is much darker than it is in the True rummynose.

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