• We are currently upgrading MFK. thanks! -neo
Congo tetra will prey on neon size tetra, if they are stressed, injured, or in a feeding frenzy. Tetra are no peaceful angel, relative of parahna, have sharp teeth, and are opportunistic predictor. Some tetra will eat plants, so do your research if your tank is planted.
 
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I love black skirt tetras, can hold there own against aggressive fish too
 
I like the Columbia blues as well. Another choice might be Buenos Aires tetras.
 
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