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Petitella georgiae - False Rummy Nose Tetra

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  • Petitella georgiae - False Rummy Nose Tetra

    Name:
    Scientific name: Petitella georgiae
    Common name: False Rummy Nose Tetra
    AKA: Rummy nose tetra

    Country of origin:
    South America

    pH: 5.6 - 7.0 (6.4 - 7.0 preferred.)
    Temperature: 24 - 31c
    Hardness: 1 - 12 dGH
    Water flow: standard
    Oxygenation: standard - high in higher temperatures.

    Maximum size: 5cm

    Diet: It is an easy fish to feed. It will readily accept pre-prepared foods (flake & pellet), although it also benefits from frozen & live foods.

    Breeding: Difficult in the aquarium due to common fungal & bacterial issues with eggs.
    Parents must have been healthy & happy - never have been in conditions that made their noses fade.
    Low-light, blackwater clean tank.
    Egg scatterer. Use plants or spawning mops.
    Parents do not usually eat eggs, but can be removed.

    Tank companions: It is not a good fish to have with smaller shrimp. It may possibly be OK with C. typus.
    It is a good community fish, and commonly seen in tanks with discus.
    It schools well.
    It should be kept in groups of at least 6+ (10 minimum is better).

    Confused with: Many other tetras - particularly:
    Hemigrammus bleheri (Common rummy nose tetra) - red on nose goes beyond the gill plates. No band into body from tail. Most commonly sold of the 3 rummynose in the aquarium trade.
    H. bleheri "golden" - an albino form of the standard, aquarium bred - it has the red from the nose into the body, but is otherwise white in appearance.
    Petitella georgiae (False Rummy Nose Tetra) - red faded on nose. No dark spot on bottom of tail. Wide band into body from tail.
    Hemigrammus rhodostomus (True Rummy nose tetra) - Red does not go beyond gill plate. Narrow line into body from tail.



    Photo thanks to Aquasaur - Hemigrammus bleheri - Common rummy nose tetra


    Photo thanks to Aquasaur - Hemigrammus bleheri - Common rummy nose tetra

    Ideal plants are: It is not fussed about particular plants, but copes best in a heavily planted tank with open areas for swimming.
    Alternately low-light blackwater tanks are very good for them.

    It is often used as an indicator fish. If there are problems with water quality, or other issues in the tank, such as a low O2 level (often associated with high water temperatures or high CO2 levels) these fish often show the problems first. The red at the tip of their nose will fade, sometimes dramatically, before their behaviour changes, or other fish show effects. This will also occur if they are stressed for other reasons, such as bullying. If these fish are happy and healthy again, thier noses glow a bright red. This works more effectively for Hemigrammus bleheri (Common rummy nose tetra) than the other 2 rummynose in the aquarium trade.

    It swims in the mid level of the tank. A small group can be kept in a 70 litre tank.

    Lifespan: It lives 5 - 8 years, with good care.

    Confused with:
    Hemigrammus bleheri (Common rummy nose tetra) is the most common of the 3 rummynose fish in the aquarium trade.

    Petitella georgiae are legal imports to Australia as of 20/10/2013:
    http://www.environment.gov.au/biodiv...mport-list.pdf

    The IUCN Red List reports Petitella georgiae as a species which has not yet been assessed at 20/10/2013:
    http://www.iucnredlist.org/search

    It is very important not to release any aquarium specimens into our waterways. Any that are not sold or re-homed/ given away, can often be re-sold to aquarium stores. If they are homed in ponds, care should be taken that they cannot escape in run-off into our waterways. Even if fish are native & local they should not be moved from one waterway to another, as this can transfer disease. If they are not local fish, they can both spread disease and either out-compete or eat local fish, shrimp & plants, causing their demise.

    It is a good fish for beginners.

    DE
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