hello everybody i got a 20g siting there in the corner somwhere and wondering if i can acutally keep something in there without and lighting, filteration,heater
but i will change the water every week please just name anything that can live in these conditions
i was thinknig maybe axolyts the salamaders that live in the water or maybe 1 goldfish anything that comes to your head :dive2: 
but i will change the water every week please just name anything that can live in these conditions

