Do all tetras have teeth?

[Vanimal]

https://www.google.com/search?um=1&...AA&biw=768&bih=928#biv=i|11;d|3uxk1X7bKZfsdM:


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[jordanhunt]

All tetras have teeth. MOST of them actually have very impressive teeth, even the ones that you wouldn't expect to have teeth. My PTC has teeth nearly as impressive as a tiger fish's teeth, the main difference is that the PTC's teeth are covered by lips. Most tetras, like the PTC, have teeth covered by lips.

What's a PTC?


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[Chicxulub]

What's a PTC?


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Pink Tailed Chalceus. They're a tetra from South America.

 

[Vanimal]

Pink Tailed Chalceus. They're a tetra from South America.

They seem very similar to Exodon Tetras. A tank of them mixed would be awesome.


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[cichlidfish]

The bottom picture is an Exodon Tetra. Similar to Piranhas so I dont know if it counts.


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That bottom pic is actually a Mexican tetra, and they can get up to 6''. They are like big exodons found in Central America.