Which fish lives 200 years?
Koi Fish Lifespan Is Very Long There has been reports of koi living to 100–200 years—the oldest koi ever documented lived to be 226 years old. Koi Fish do not always die from parasites, worms, or disease. In fact, one might be surprised to know what one of the leading causes of koi fish death is. This might seem like something small at face-value, but the reality is that stress is a major perpetrator in what may end up killing your koi fish.
What plants are good in a fish tank without CO2?
This include plants such as Java fern, Anubias species, Water wisteria (Hygrophila difformis), Dwarf saggitaria (Sagittaria subulata), Vallisneria species, Ludwigia Repens, Java moss, Marsilea species, Rotala rotundifolia, Pearlweed ( Hemianthus micranthemoides), Sword plants, Red/green lotuses (Nypmhaea Zenkeri), . Examples include wild rice (Zizania), water caltrop (Trapa natans), Chinese water chestnut (Eleocharis dulcis), Indian lotus (Nelumbo nucifera), water spinach (Ipomoea aquatica), prickly waterlily (Euryale ferox), and watercress (Rorippa nasturtium-aquaticum).