Tetras

Tetras, Hatchetfish, Pencilfish, Other Characin Fish (Silver Dollar, Headstander, Leporinus)
Errbill
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If water parameters and tank size etc weren’t an issue which 2 types of tetra would you keep together?
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Stephen
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It would depend on the tank water temperature and what other fish you have.
425L SeaBray Elite aquarium - Rio Mamoré (Bolivia) theme
4 x Cupid Cichlids, 14 x Cory caudimaculatus, 11 x Cory sterbai 51 x Reed Tetra, 4 x Honeycomb Bristlenose (L519)

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Pleco Fan
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I have cardinals and harlequins.
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SPACKlick
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Serpae and Green Neons. I think the bright Red and stunning blue/green shimmer would contrast really nicely. It's doable in a soft acidic dark tank.
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2 female Bristlenose Pleco, 24 Cherry Barbs 7M:17F, 4 Reticulated Flying Foxes, 17 Neon Tetra, 15 Lemon Tetra, 11 Yellow/Orange Cherry Shrimp, 1 Zebra Nerite Snail, 3 Olve Nerite Snails, 4 Horned Nerite snails, 25 Amano Shrimp, Many Malaysian Trumpet Snails - AqAdvisor
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Blue + Glowlights, probably. For very similar hue-related reasons as above. :)
mikeyboy123
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I saw some tetras at wildwoods Enfield yesterday which looked like oversized black neons with a flash of yellow on their sides. Can’t recall their name unfortunately. They were pretty big for tetras, Congo sized. So them and congos if I had the space.
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black ghost
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mikeyboy123 wrote: Sat Nov 18, 2023 23:10 pm I saw some tetras at wildwoods Enfield yesterday which looked like oversized black neons with a flash of yellow on their sides. Can’t recall their name unfortunately. They were pretty big for tetras, Congo sized. So them and congos if I had the space.
There’s a few new Moenkhausia spp that sound like that. I have a hunch you might have seen one of these two…

https://www.practicalfishkeeping.co.uk/ ... described/

If it’s not them, try M. heikoi and M. phaeonota.
I don't keep fish, I keep water. Water keeps fish.
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Heikoi most similar to what I saw. Not 100% it was them though.
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plankton
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Lemons and rummynose (which I've had in the past), or, for a bigger tank, emperors and Buenos Aires (I've had penguins and BAs but have decided that emperors are more favourite than penguins). :)
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Ian
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Probably the ones I do have. Cardinal tetras and albino congo tetras
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