Koi
Cyprinus rubrofuscus

Photo: Wikipedia / Wikimedia Commons
A pond animal. If it is in a glass box, it is in the wrong place.
Pond animal.
Pond fish only as an adult — needs 1000+ gallons and does not belong in an indoor aquarium.
In the tank
- None in a glass box.
- Water
- freshwater
- Temperament
- Peaceful
- Swims
- All levels
- Adult size
- 24 in
- Minimum tank
- 1000 gal
- Group
- Can be kept singly
- Temperature
- 50–77°F
- pH
- 7.0–8.5
- Diet
- Pond pellets. Not aquarium food.
- Beginner
- Not a first fish
How to keep them
- 1000+ gallons outdoors.
- If it is in an aquarium, it is in the wrong place.
Tankmates
Other pond fish, in a pond.
Avoid
Indoor aquariums.
Check tankmates · Stocking calculator

