**no more than 50” of fish**. That sounds like a lot, but accounting for an approximate mature koi size of 12”, that allows only 4 fish.

How many fish can I stock in my tank?

**how many fish can i have in my tank calculator**.

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500-gallons: **2-4 koi**. 750-gallons: 3-5 koi. 1500-gallons: 6-10 koi.

For every 10 gallons of pond water, you can have 1 inch of fish. This leaves enough room for them to live comfortably and grow some. A 500-gal pond means you can have **50 inches of fish**.

He said the most popular size for a starter back-yard pond is **about 5 feet wide, 10 feet long and 2 feet deep**. Such a pond holds about 400 to 500 gallons of water.

Re: 600 Gallon Stocking So going on 1 fish per 100 litres, roughly **27 fish** will be an acceptable number after maturity etc.

The average recommended gallons per inch of fish is 10. To calculate how many inches of fish I can fit in my pond I would divide 1,000 by 10: 1,000/10 = **100**. According to this calculation I can safely stock 100 total inches of fish in my pond.

Number Of Fish Per Gallon Rule 1: **one 6″ fish for every hundred gallons of water**. **Rule 2: 1″ of fish per 10 gallons of water**. **Rule** 3: 1” of fish for every square foot of surface area (24” deep pond)

A typical pond stocking strategy for a warm-water pond would be **1,000-1,500 bluegills, 50-100 bass, and 50-200 catfish per acre**. Many recreational pond owners, however, prefer to stock bluegills and catfish to increase the size and population of bass.

Pond size (assuming a rounded shape at 2 ft deep) | # gold fish or | # Koi |
---|---|---|

5 x 5 | 7 | 4 |

5 x 8 | 12 | 7 |

8 x 10 | 21 | 13 |

10 x 10 | 25 | 16 |

A good fish pond should cover **no less than half an acre** and be six or eight feet deep over at least a quarter of its total surface area.

Calculate approximately how many gallons of water are in a pond. **Average length x Average width x Average depth x 7.48 = Total gallons**.

The Lagoon Pond hold 250 gallons of water and measures **92″ x 68″**. It is 18″ deep.

The trusty goldfish is an old favourite for many, and they are regarded as perfect pets for the garden pond. Of course, goldfish may be kept in spacious, well-filtered aquaria (with a large surface area for oxygen exchange), but they will very much appreciate the freedom and space that a garden pond can provide.

As far as how many can be kept in a 400 gallon pond,, Again it depends on how well the fitration can breakdown waste and how good the water quality can be kept. **8-12** is probably a safe # with average filtration.

Too many fish in the pond creates an imbalance in water, so you’ll want to make sure you’re smart about the number and size of fish that you place in the water garden. … Some pond experts even go so far as to recommend only **½ inch of fish per 10 gallons of water** as a maximum stocking density.

POND WATER VOLUME | NUMBER OF AVERAGE-SIZED KOI |
---|---|

250 gallons | 1-2 koi |

300 gallons | 1-2 koi |

500 gallons | 2-4 koi |

750 gallons | 3-5 koi |

Let’s do the math using our conservative rule of thumb suggesting **one Koi for every 250 gallons of well filtered** & maintained pond water. A 2500-gallon pond translates to 10 full-grown Koi and you have 30! Obvious Solution – Get rid of 20 koi or build a bigger pond.

- Koi. Descendants of the common carp, koi excellent pond fish and are made for outdoor living. …
- Goldfish. Just like breeds of dogs, there are may breeds of goldfish. …
- Hi-Fin Sharks. …
- Catfish. …
- Sturgeon. …
- Plecos. …
- Fancy Goldfish. …
- Any Tropical Fish.

Calculate Pond Size If you need help with the math, use our online calculator . We recommend allowing **1-2 koi or 2-3 goldfish per 200 gallons of water**, so if your pond is 1000 gallons, that’s approximately 5-10 koi or 10-15 goldfish.”

Do goldfish grow bigger in ponds? According to DEC, when Goldfish are kept as a pet in a small bowl or small aquariums then don’t get bigger than 6 inches but the Goldfish found in the wild, lake or Ponds they can grow **bigger up to 15 inches**.

Fish Stocking and Overpopulation Fish overpopulation can be pretty common in a lot of private ponds and lakes. … Fish will start fighting over food source and many fish may become stunted. Too many fish in **your pond can lead to a build up of organic material** which will lead to an excessive growth of weeds and algae.

Swimming PondSpeciesRedear Sunfish1/4 Acre**150**1/2 Acre**250**3/4 Acre**400**1 Acre**500**

Their feeding habits lead them to stir around in bottom sediments, but they do not clean the bottom. Yellow Perch are a popular choice for lakes and ponds because of their outstanding table performance. … Yellow perch are **active predators**, so stocking fathead minnows with perch is recommended.

- Green sunfish.
- Trout.
- Carp (common and grass)
- Goldfish.
- Yellow perch.
- Buffalofish.
- Tilapia.
- Crappies (black and white)

Generally, the ideal size for a Koi pond is considered to be **over 1,000 gallons** and at least three feet deep. Size: Koi fish need a lot of space. How big exactly is 1,000 gallons? Well, at three feet deep, a six foot by eight foot pond will yield 1077 gallons.

Four feet of water will prevent excess water evaporation and keep predators from eating the fish. Steep, hard-to-climb banks will also deter predators. In warmer climates where the pond will not freeze, 4 feet is plenty. In temperate climates with mild to cold winters, **7 to 8 feet deep is** preferable.

A frog pond should be **at least 60cm deep**, in a shaded area and have shallow edges for the tadpoles. If you want a frog pond, then, unfortunately, you can’t have fish, because they like to munch on baby frogs (froglets!).

**East, southeast and north sectors** are good locations! The shape and size of your pond is equally important and must be considered carefully if you are looking for good feng shui for your home. The pond must not be too big and disproportionate to the house.

You can **keep 11 Koi fish** in a 300 gallon pond but I wouldn’t recommend it. That is too little of space for 11 fish especially if you intend to keep them for a long time. You will need good filtration for your pond because the fecal matter will raise the ammonia levels in the water before it has a chance to break down.

- The easiest way to do this is to measure the length, the width and the depth of your pond in feet. …
- Once you have all three dimensions, you need to multiply these all together and then multiply this calculation by 6.25.

EasyPro Pond Products 2000 Gallon Water Garden Pond Kit, **11′ x 16′**

For example, if you are **using a 125**-gallon tank, then the safe fish load would be 1.25 12-inch koi. In other words, one 12-inch fish would be fine, but two would be overcrowding.

You should **wait at least 72 hours** before putting fish in your new pond. Even if only the water is new. This way the water temperature and chemistry can level out. Drastic changes in either can have a serious impact on the health of your fish.

**Frogs do indeed eat goldfish** -but only younger, littler goldfish, or those that swim too slowly. They will leave alone goldfish that are larger. Frogs also do not generally eat Orfe or Koi.

Fish may die of old age, starvation, **body injury**, stress, suffocation, water pollution, diseases, parasites, predation, toxic algae, severe weather, and other reasons. A few dead fish floating on the surface of a pond or lake is not necessarily cause for alarm.