With a filterless setup, you're pretty much limited to anabantids,
dwarf frogs, and snails.
Or Killifish. Or catfish or tetras or rasboras or pencilfish or,
um, anything thta makes sense for the tank size.
--
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633CSi 250SE/C 300SD | Killies, killi.net, Crypts, aquaria.net
1970 280SE, 72 280SE | Old wris****ches
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