Which tank size will fit my fish ?
By George J. Reclos Ph.D., Andreas Iliopoulos and Michael K. Oliver Ph.D.
Tank Sizes
First there is going to be another digression - did anybody ever accuse me of digressing before? We need to think about flow rates and turnovers per hour. Your 20-gallon tank does not hold 20 gallons of water.
Tank size, tank mates, and feeding
One of the attractions for keeping rays in the aquarium is their behavior and intelligence. A healthy ray can learn very quickly how to recognize and hand feed from its owner.
Tank Size: In the case of aquatic snails, tank size isn't quite as important as filtration capabilities.
Tank Size:
Consider the application. Are you setting up a marine or a freshwater aquarium? Will it be a reef tank or live-plant tank? Remember good stocking practices and plan ahead.
Tank Size/Age
My tank is a 120-gallon, Reefready. LR in the system is about 3.5 years old. I move once a year (unfortunately) and when I do I always use new sand.
Tank Size Needed (Minimum): 30 gallons (114L)
Water pH: Varies by species. Generally 6.0 to 7.0
Water Hardness: Varies by species. Generally soft (2-8 dH), some fairly hard (12-20 dH) ...
Tank Size, Weight & Pressure Calculations
NOTE 1: The weights used in this section are approximate and to be used for
estimating only!!!
NOTE 2: The calculated weights DO NOT include the additional weight of your ...
Tank Size
To begin with, you will need to decide upon the size of tank you want. This author would suggest nothing smaller than a ten gallon tank, and twenty gallons would be better.
Tank Size
Before you purchase an aquarium, ask yourself the following questions: ...
Tank Size
The minimum size tank for a breeding pair of Angelfish is 15 gallons, but should be 25 gallons or larger if you plan on leaving the fry with the parents.
Does Tank Size Matter?
Recently Natalie, a Betta owner, posed an excellent question about tank size.
TANK: TANK SIZE AND SETUP
This section describes the tank requirements of the species. The length measurement applies to the side length of the tank, while the volume applies to the water capacity of the tank.
[edit] Tank sizes and shape
Tanks come in a variety of sizes. The most common shape is a standard rectangle. The dimensions of this shape tank can be found on our common tank sizes article.
Minimum Tank Size and/or Tank Type= A 51G (200L) monospecies tank, with a 2-4" (5-10CM) layer of fine sand on the bottom, a dim light filtered through floating plants, sufficent hiding places, ...
Minimum Tank Size: Small goldfish can be housed in small tanks around 10 gallons or so. As goldfish grow they are more suited for like in huge tanks or even ponds as these fish can reach two feet in length! ...
Tank size
Get the as large a tank as possible that you can fit in your location. A larger tank holds more water than a smaller tank and the extra water volume acts as a buffer against fluctuations in the water perimeter.
Tank Size
The minimum tank size for a colony of Tropheus moorii is a 55-75 gallons / 210-280 litres. Even in a tank this size you should not keep less than 15 fish. I prefer larger tanks of 125 gallons / 475 litres or larger for Tropheus personally.
Tank Size - Interestingly, a larger tank actually requires less maintenance than a smaller tank.
Tank Size
You will need to decide how many angels you would like to have before determining what size tank they should live in. Keep in mind they grow quite large and require plenty of space to grow properly.
Example: ...
Tank size- to keep males you will need a tank of at least 125 gallons, a female though can be kept in a tank of 75 gallons, and pairs should be housed in 125-180 + gallon tanks.
Tank size has a great effect on how susceptible the water is to rapid temperature change. The larger the tank, the more water it holds (a simple concept!). The more water, the greater its ability to hold heat and maintain temperature.
Tank size is important in a way. Not so much the volume, as the footprint. Loaches like a large footprint to swim back and forth in. The longer the tank, the happier the loaches. They are also more active at night under blue moon lighting.
Tank Size:
Bigger is better, they love to swim or just hang out but when they get bigger they start to get black stripes on their side. That means they're stressed and a bigger tank is needed.
Tank size should be at least 20 gallons. I did not have much luck breeding them in smaller tanks.
2. Temp should be between 71-75F.
What tank size would you recommend for the this fish?
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Breeding tank size = 450 x 200 x 150mm. Water Temp. =76 deg F. Ph =7.2 GH = 6 spawning. Followed the typical ''T'' formation two days after a water change which reduced the temp. by 6deg F.
Along with tank size issues discussed above, lighting is a major factor in determining what corals & invertebrate can be successfully kept .
The minimum tank size recommended is 33 gallons, and this is only if you plan on housing one individual alone, without any tank mates. The recommended tank size for housing Oscar fish is 100 gallons, of course the bigger the better.
Rectangular Tank Size=L x W x H/231.=volume (in gal.)
Circular=dia x dia x height (in feet.)
Oval W/Straight Sides=L x W x H x 6.7 (in feet.) ...
HP Suggested
Tank Size
(in gallons) Min/Max Flow
GPH Maximum Tank Size for Degrees
of Pull-Down Needed 10°F 15°F 20°F 25°F
1/5 ...
Common tank sizes (courtesy of All-Glass Aquariums)
These match the table on the back of Catalog AA693, but are sorted by the tank's "footprint".
Scientific Name: Sciaenochromis ahli
Maximum Size: 8 inches
Minimum Tank Size: 70 gallons
Temperature Range: 72 - 80°F
pH Range: 7.8 - 8.5
Temperament: Aggressive and territorial
Origin: Lake Malawi ...
Minimum measurements of 1 B"xl 8"xl 8" are recommended, but my tank size does not permit.
splendens, a minimum tank size of 3 U.S. gallons at least is recommended, if it will be kept in a warm room.
Tank size : There are 2 main requirements, tank depth and volume. Because of their size and swimming habits, a minimum of 18" is needed for tank depth, with deeper being better.
Each type of fish has a different requirement regarding the fish tank size and other water parameters.
Before finalizing on a tank size, remember that fish densities are much lower for saltwater than freshwater. That is, you can not put as many fish in a saltwater tank as you can in a freshwater tank.
Apistogramma gephyra can be kept in pairs, trios or harems depending on tank size and fish availability. They are typical cave spawning Apistogrammas with the female taking responsibility for the eggs and developing fry.
The fish will grow up to 18 cm, regardles of the tank size. Large well filtered tanks with soft, slightly acidic water are required. Juveniles live in school, but older fish lead a more solitary life.
For this reason, tank sizes should be large; one male should be housed in at least 209 liters (55-gallons). For this reason, they may not be suitable for beginners, even though they are a very popular fish.
First you need to pick an appropriate fish tank size. Try to get as big of a fish tank as you can get (everyone will tell you that you'll always end up upgrading anyways). The next important thing you need is to pick a proper size filter.
A tank size of 36 inches with a fine substrate like sand is preferred as they are continually searching for food using their barbells. Like most Botias they will make considerable indents on any snail population and can therefore come in very handy.
Many factors, including tank size, water quality, available hiding places, and even the order in which specimens are added, can affect compatibility.
Fish and Invertebrates Together?
Tank size can be from ten gallon to twenty gallon, the larger the tank the better and tanks should be well filtered and these fish prefer leaf litter as or on the substrate. Species include foerschi, strohi, and rubra.
Tank size is essential for this species to grow and to be healthy. If you want it to be healthy put it in a 125 gallon aquarium.
You should provide a soft (sandy) substrate and a lot of surface swimming space. They need it! ...
In bigger shoals of 10 to 15 (or more, tank size permitting) they are more relaxed and behave much more naturally. Smaller groups may hide away and become timid. Some fish are pair bonders and some need to be kept alone.
If you are using the air pump only to operate an under gravel filter, and your tank is a standard size, then the tank size ratings on an air pump are probably relevant.
Water quality, reproductive behavior, tank size and number of inhabitants will influence the behavior and health of any aquarium community.
One note, when adding new fish to an already established aquarium. Be very careful.
Provide a well-planted aquarium with lots of caves and hiding places. Tank size is not much of a concern with such a small fish. Strong filtration and regular water changes are beneficial.
Feeding ...
A tropical cypriniform, this barb is aggressive and should be kept in a shoal of eight or more to keep it from bothering other fish and the tank size should be rather large, say 10 or preferably 15 gallon.
Setting up a tank to match its natural environment will require plenty of plants and rocks. Since it grows quite large, starting with a minimum tank size of 75 gallons is recommended.
It consists of one or more "canisters" filled with filter media - because tank size doesn't matter, a canister can be much larger than traditional filters and provide more surface area for better filtration.
This is the season of aquascaping contest results, and shortly after the ADA contest ended, so did the Aquatic Gardner's Association (AGA) Contest for 2008. This contest is divided up by tank size with separate categories for biotope aquascapes and ...
Aquarium behavior: The Benthochromis is unique indeed. They are slow moving, hearty eaters, and very personable. They seem extremely intelligent and definitely know who their keeper is. Tank size does not seem to be as important as is rumored.
may be only 4 inches long when you buy it, but it can ultimately reach a whopping 4 feet or more in length, with an appetite to match. Make sure any fish you buy won’t ultimately outgrow your aquarium, or be prepared to upgrade your tank size ...
glass and stir it with a spoon. The sand will ed up in a pile in the centre of the glass.) Settlement s a good method to remove large particles from the water column, but can be an expensive method of removing fine solids, due to the large tank size ...
See also: 
