I'd say 3-4 tetras also. Make sure to get little tetras-neons, black neons, cardinals, lemons, or embers (hard to find). Rasboras would work too, I've heard they're a bit more exciting than tetras.
Other possible choices: guppies, a dwarf gourami and a pair of african dwarf frogs, or white cloud mountain minnows.
Edit: Wow, what happened to the order of replies on this thread?
Other possible choices: guppies, a dwarf gourami and a pair of african dwarf frogs, or white cloud mountain minnows.
Edit: Wow, what happened to the order of replies on this thread?
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