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A lot of people, myself included, wear glasses, either as a prescription, for reading, or simply because why not. However, something your pair of glasses may be missing is customization. Sure, frames come in several colours, or have neat shapes, but other than that, not much. And that's why I suggest that decorations on the frame should be more widespread.

The word tetra describes various species of small fish in the order Characiformes. Tetras include many species commonly kept in aquaria, such as neon tetras (pictured), phantom tetras, emperor tetras, ornate tetras, diamond tetras, and ornate tetras in the Characidae family, African tetras such as Congo tetras in the family Alestidae, and pencilfishes (Lebiasinidae).