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Axelrodia riesei
February 13, 2011
12:15 pm
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Steve Waring
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I popped down to my local shop to buy four Hyphessobrycon amandae (Ember Tetra) to add to the thirteen already in my 250ℓ tetra tank. I had looked around and admired the black Nematobrycon palmeri (Black Emperor Tetra), but nothing else caught my eye.

The guy who served me said "We've got some Axelrodia Riesei in." I'd not seen them (Ruby Tetra) because they were in a small tank high up in a section for guppies. He gave me a step to stand on so I could view them.

I bought six of these tiny fish, and they are now with my other tetras. Because of their tiny size, they will only really be noticeable when looking at the tank close up. They would be perfectly at home in a nano tank.

I've not found that much about them. One site says they have lovely colours in the wild, but loose theri colour in captivity. Elsewhere I've read that they loose their colour if kept in hard water, so perhaps that was the origin of the information on the other site.

With Gh 7°, Kh 3.5°, pH 6.8, the water should suit them fine, their largest tank mates are
Inpaichthys kerri (Purple Emporer)

There are some beautiful photos of this tiny fish here.

February 15, 2011
9:09 am
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Matt
Málaga, Spain
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We have the exact same images waiting to be added to a profile at some point. /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" /> Haven't kept it myself but have seen long-term captive fish showing lovely colours and I think at least one member here (plaamoo?) has some.

Cake or death?
February 27, 2011
5:56 pm
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Steve Waring
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QUOTE (Matt @ Feb 15 2011, 08:52 AM) < {POST_SNAPBACK}>
We have the exact same images waiting to be added to a profile at some point. /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" /> Haven't kept it myself but have seen long-term captive fish showing lovely colours and I think at least one member here (plaamoo?) has some.


Thanks Matt, they are starting to colour up nicely. The deep orange stripe above the black stripe on the caudal peduncle is incredibly iridescent.

February 27, 2011
8:28 pm
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Plaamoo
Bellingham, Washington U.S.A.
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I've got 4. The wife had a small tank going a while ago but lost interest, they were her fish. Beautiful little fish(much more so than the pics in that link), but mine are incredibly shy! Might do better with a larger group but I really don't have a place for that. I'd give them to a good home. Where are you Steve?

February 27, 2011
10:51 pm
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Steve Waring
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QUOTE (plaamoo @ Feb 27 2011, 08:11 PM) < {POST_SNAPBACK}>
I've got 4. The wife had a small tank going a while ago but lost interest, they were her fish. Beautiful little fish(much more so than the pics in that link), but mine are incredibly shy! Might do better with a larger group but I really don't have a place for that. I'd give them to a good home. Where are you Steve?


Sadly I'm in the UK.

Mine are not shy at all, but they are in a 250 litre tank that is very densely planted at the back, with lots of hiding places. It might be that like a lot of shy fish, with more places to hide you actually see more of them.

I have not seen more than four out together recently. I'm not sure if two have been lost, or if I am seeing different fish at different times.

Many thanks for the offer, I just wish I could have taken it up.

March 13, 2011
10:45 am
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Steve Waring
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These fish display a very interesting behavior that I have not noticed in other Tetras. The keep perfectly still, and then dart between 1cm and 4cm forward, and then keep perfectly still again. If after the dart forward they are in a slightly head down position in the water, they will stay in that position until it is time for their next dart forward. They do this all the time, so you never see them swimming as a normal Tetra would.

They remind me of the hover flies that I see in my garden in summer. Personally I think Dart Tetra would have been a better common name for them.

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