How many fish in a 36 gallon aquarium

You can’t wait to go to your local fish store and buy 100 fish for your 10 gallon fish tank. But wait, maybe you should rethink that plan. Not all fish can be kept together and there is a limit as to how many you can keep in your tank, no matter how big it might be. Here’s how to figure out how many fish per gallon your freshwater or ...

Sardine Cichlid (Cyprichromis leptosoma) 12 - 16. These wonderful Lake Tanganyika cichlids make a great addition to any Lake Tanganyika aquarium. They are relatively peaceful and can be kept in groups of 12-16 fish or two pairs in a 55-gallon fish tank. Calvus Cichlid (Altolamprologus calvus) 2 Pairs.Pro Tip: If you want a neon tetra-only tank, you can apply the one inch of fish per gallon rule here and get 10 of them for your tank. 3. Guppies. Guppies are one of the easiest fish to care for, and they are part of our standard recommendations for a beginner.Bottom Line. The one-inch-per-gallon rule still applies, so be sure that you do not exceed 55 inches of fish in a 55-gallon tank. This roughly equates to four or five bottom-dwelling fish along with a couple algae eaters. For the happiest aquarium, buy community fish, those that coexist peacefully with other fish, such as rainbow fish, tetras ...The question of how many fish in a 55 gallon tank is one that comes up a lot with hobbyists. While there are no hard and fast rules, there are some general guidelines that you can follow to help you find the right number of fish for your tank. ... (36″ x 18″ x 16″) or 75g aquarium (48″ x 18″ x 24″), the 55g aquarium (48″ x 13″ x ...Step 1: Calculate the surface area of your tank by measuring the length and width (but not the height), and multiplying the two. For example, a 35-gallon tank may measure 24 inches long and 12 inches wide. The surface area would be 288 square inches. (24 x 12 = 288) Step 2: Calculate how many inches of angelfish your tank can hold by dividing ...For a 20-gallon tank, the number of GloFish you can keep varies depending on the type of GloFish and the tank setup: General Guideline: A common rule of thumb is to allow one inch of fish per gallon of water. This suggests that a 20-gallon tank could accommodate 6 to 10 GloFish . GloFish Tetras: You can keep 8-10 GloFish Tetras or up to 9-10 ...I have a 36 gallon tank that currently has 17 fish in it: 3 balloon mollies 3 guppies 2 skirt Tetras 2 neon Tetras 2 serpae red Tetras 1 angel 1 glofishBuy a rectangular 55 gallon tank. It gives the fish maximum movement area so you can enjoy them swimming. If you are really into it a 110 gallon tank but beware YOU WILL NEED A HEAVY SUPPORT PLATFORM for the 110 Gal tank because it will weigh nearly 925-950 lbs. I put my 55 gallon tank (540 lbs) on an old dresser.

A 50-gallon tank is an excellent choice for beginners venturing into freshwater or saltwater aquariums. Its dimensions 48″ (L) x 13″ (W) x 20.5″ (H) allow you to house multiple fish species comfortably. You’ll have space for decorations and can create captivating aquascapes.One of the most common but hardest questions we get is "How many fish can you put in a 55-gallon aquarium? What about a 20-gallon tank? 10 gallons?". As you may guess, there is an infinite number of possible fish combinations for each tank size that we could recommend. To simplify things, read this article that discusses the three factors ...5. Zebra Danios. The low-maintenance zebra danios can happily thrive in a three-gallon fish tank at roughly one and a half inches long. Not only does it get along well with other types of fish, but it's simply beautiful. As its name suggests, its dark blue and white stripes appear similar to a zebra's stripes. 6.This is a logical fallacy that many people fall into when figuring how much a floor can hold. The idea that if a floor can hold 7 grown men, each weighing 200 lbs, if can hold a 1400 lb fish tank. Many floors can hold a weight well above their max rated capacity momentarily, or even for a few hours, especially while it is moving around.For two fancy goldfish, however, a 30-gallon tank can work. The rule of thumb is to have 1 gallon of water for every inch of fish. Because goldfish are more active and pollute more, it's safer to assume 2 gallons of water for every inch. Your first fancy goldfish needs 20 gallons of water. When you add a second to the tank, you need to add on ...JBJ Black 25 Gallon Rimless Flat Panel Aquarium Kit. (1) $615.74 was $619.99. JBJ Nano Rimless 20G AIO Aquarium. (0) $179.99 was $239.99. 20 to 39 Gallon Long Aquariums. Midsize aquariums are a great choice for new pet parents or anyone with limited space or budget. A 20 gallon long aquarium is roomy enough to accommodate several fish ...

For a 10-gallon tank, the number of goldfish you can keep depends on the size of the fish. If you want to stock juvenile goldfish or fry, you can keep 3-5 fish in this tank size. However, if you consider keeping adult Goldfish, you can’t keep two of them in a 10-gallon tank. Goldfish grow longer; therefore, they’ll need about 20 gallons to ...30 Gallon: 36 x 16 x 16: 48 lbs: 350 lbs: 40 Gallon (Long) 48 x 12 x 16: 60 lbs: 455 lbs: 50 Gallon: 36 x 18 x 19: 100 lbs: 600 lbs: 75 Gallon: 48 x 18 x 21: 140 lbs: 850 lbs: ... As I mentioned earlier, your aquarium size will affect how many fish you can fit in it. There are two basic formulas to work this out.The stand for a 40 gallon fish tank has to be completely level and able to support ~400 pounds of weight. The top of the stand must be wide enough to sit directly under the exact dimensions of the 40 gallon tank, which means a footprint of at least 36.25 inches x 18.25 inches for an Aqueon tank, or 36.5 inches x 15.5 inches for a Top Fin.How many fish can I keep in a 180-gallon aquarium? The number of fish you can keep depends on various factors, including the adult size of the fish species, their compatibility, and the filtration capacity of your tank. As a general guideline, aim for a stocking density of 1 inch of fish per 4-5 gallons of water.The excellent schools for a 30-gallon tank would be fish like Tetras, Barbs, and Rasboras. These fish usually come in different sizes, ranging from 0.8 to 4 inches in length. The vast majority of them are relatively resistant, peaceful, easy to purchase, and require little maintenance.The rummy nose tetra is an excellent choice for the midwater of a 20-gallon community tank. These silvery fish really stand out with their black and white striped tails and bright red faces. They are true schooling fish so pick up a group of at least six for an awesome display. 3. Dwarf Gourami.

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In this comprehensive guide, we’ll explore the top fish species that are well-suited for a 36-gallon bow front aquarium. Whether you’re a beginner or an experienced hobbyist, we’ve got you covered with valuable insights, expert tips, and everything you need to know to create a thriving aquatic ecosystem.30 Gallon Aquarium Dimension. A standard 30 gallon fish tank will measure 36″x13″x16″. However the exact dimensions will depend on the shape and brand you pick. Breeder tanks usually have a different width and height to help create a squarer base which is needed for breeding. These 30 gallon breeder tanks usually measure 36″x18″x12″.In a 36 gallon you can have 0 African cichlids. Minimum is 55 gallonsfor them. Inch per gallon isn't correct at all. Of you want cichlids look into a pair of German rams. You could do them, some Cory's, some rumynose tetras, and an anglefish. Please, if you aren't positive your advice is correct, don't give it.Irregardless, I'd love to get some. My question is: How many adult discus could comfortably be housed in a 50 gallon tank? The dimensions are 48x14x18 inch. I'd love to get only two, but I've read that Discus feel most secure in a group of about five or six or more, though I doubt I can fit up to six discus comfortably in a 50g.

0. Location. US. Sep 1, 2013. #1. We have a 36 gallon bow front and currently it has: zebra danio, neon tetra, guppys, gourami, platy, otos, and a sterbai cory. We love all the fish we currently have in there, but they are mostly the same size and shape. We want to have one "big" fish, like 4-6 inches that will be peaceful with it's tankmates.The total number of fish to stock in your aquarium depends greatly on the size of your aquarium. There is no actual way to determine the exact number of fish that you should keep in an aquarium but the most commonly known rule for stocking fish in an aquarium is the one inch of fish per gallon rule. It might sound very simple and easy to follow ...A Common Pleco needs at least 75 gallons, they can get to 18 to 24 inches in length, heavy in the body and produces huge amounts of waste. The Oscar needs a big tank also, mine was 14 inches long, heavy in the body and the tank she was in was just too small for her.Jan 17, 2020. #11. A gallon of water weighs 8.333 gallons. It does but when you account for substrate, the tank, lid and filter your around 10 pounds per gallon. A.The average price for a gallon of diesel gas jumped by 51 cents reaching $5.13 from $4.61 within just a week, according to AAA. The average price for a gallon of diesel gas jumped ...Fluval Edge 6 Gallon Version. Now, before we get started with the big guy, just in case you deemed it too big for your needs, there's always a 6-gallon version. Obviously, it won't hold as much as the 12 gallons, but it does the work the same and is built with the same care and thoughtfulness.Nov 3, 2023 · In hydroponics, air stones play a vital role in root growth and nutrient absorption. The number of air stones per tank depends on the tank’s size and the plants’ oxygen needs. For a standard 20-gallon hydroponic tank, one to two air stones are often enough. Larger systems may require more. how many blood parrot cichlids can i have in a 36 gallon bowfront? None. The fish will grow too large for that tank. you may keep up to5 or 6 really as babies but they do eventually get to a size to where even two or 3 would be to many. they grow to about 8 inch but also look like softballs. the thing is is that most of the time these fish tend ...Aug 26, 2021 · One adult male platyfish will be 3.81 cm (=1.5 inches) approximately. One adult female platyfish will be 6.35 cm (=2.5 inches) approximately. So for 4 female platies and 1 male platyfish, the total will be 29.21 cm (=11.5 inches.) Therefore, the minimum size of your aquarium tank should be 45.42 liters or 12 gallons. In this case, the sand required is 48 pounds, multiplying the two numbers above. Another way of calculating sand for a 2-inch depth level is: Multiply the aquarium's length and width: 12.25 x 48.25 = 591. Divide the result by 10: 591/10 = 59.1 pounds. Hence, the sand quantity that your fish tank requires for a 2-inch depth is 59.1 lbs.

One adult male platyfish will be 3.81 cm (=1.5 inches) approximately. One adult female platyfish will be 6.35 cm (=2.5 inches) approximately. So for 4 female platies and 1 male platyfish, the total will be 29.21 cm (=11.5 inches.) Therefore, the minimum size of your aquarium tank should be 45.42 liters or 12 gallons.

Pro Tip: If you want a neon tetra-only tank, you can apply the one inch of fish per gallon rule here and get 10 of them for your tank. 3. Guppies. Guppies are one of the easiest fish to care for, and they are part of our standard recommendations for a beginner.Fish oil supplements may not improve ADHD symptoms, but there may be other benefits. Research says fish oil supplements do not appear to improve ADHD symptoms. But there may be oth...A fish tank volume calculator is essential to find the right aquarium for the fish species you want to keep. Some fishes can do well in a 2 to 3-gallon tank, while others require a 20 or 30-gallon tank for flourishing. You can use a fish tank volume calculator to find the amount of water an aquarium can hold by inputting its dimensions.Our aquarium volume calculator outputs the weight of the water needed to fill the aquarium fully. To find the actual weight of the water in the aquarium you need to consider how full it will be and subtract a proportion of the water weight output from our tool. For example, if you plan to fill it to 90% of its capacity, you can use a percentage ...Jacques Cousteau’s grandson explains the pros and cons of one of the most globally adopted pastimes. The ethics of aquariums are a slippery matter. On the one hand, aquariums provi...All about the 40-gallon fish tank. A 40-gallon tank is a perfect aquarium for both freshwater and marine aquarium fish. We got a perfect space for decorating with more aquatic plants and lights that'll give a unique look to the tank. A perfect 40-gallon tank weighs 60lbs and has dimensions of 36″x13″x20″. It is also called a breeder ...Sardine Cichlid (Cyprichromis leptosoma) 12 - 16. These wonderful Lake Tanganyika cichlids make a great addition to any Lake Tanganyika aquarium. They are relatively peaceful and can be kept in groups of 12-16 fish or two pairs in a 55-gallon fish tank. Calvus Cichlid (Altolamprologus calvus) 2 Pairs.The friendliest place on the web for anyone with an interest in aquariums or fish keeping! If you have answers, please help by responding to the unanswered posts. See posts with no answers. Aug 19, 2011 #1 I. iaml0st815 Aquarium Advice Newbie. Joined Mar 8, 2011 Messages 4. I've got a 36 gallon bow front aquarium that is going to be species ...

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As a rule of thumb, you’ll need one pound of gravel per gallon of water. For example, if you put 10 pounds of gravel in a 10-gallon tank, you’ll get a one- or two-inch-deep substrate. If you want to know the exact amount, measure the dimensions of your aquarium. Then, multiply the tank’s length by its width, and divide the answer by 10.Nov 23, 2016. #1. Hi, I just got a 36 gallon tank and have cycled it and am ready to add fish this weekend, I want it to be a freshwater community tank but I really want to get a betta because I was originally going to get a 10 g tank for just a betta but my boyfriend surprised me with a tank 3 times the size. That being said I'm really excited ...In my 10 gallon, I have a mystery snail, 6 Pygmy Cory's and 5 neo shrimp with lots of plants, some mopani wood, spider wood, cholla wood and a lotus pod. I love how it looks and they have lots of hides and things to explore. I use a filter for 20 gallon.Generally speaking, you can keep around 3-4 goldfish per gallon of water if you choose to do so. Goldfish can be kept in tanks as small as 30 gallons or as large as 50 gallons, depending on the size of the tank and the type of fish you are keeping. However, it is important to remember that the larger your tank is, the more water you will need ...Other common dimensions include 36'' L x 18'' W x 20'' H, and 55'' L x 22 W x 14.5'' H. ... How Many Fish for a 55 Gallon Tank? ... As for the total weight, a filled 55-gallon aquarium can be anywhere between 479-550 lbs, depending on the material and water salinity level.5. Zebra Danios. The low-maintenance zebra danios can happily thrive in a three-gallon fish tank at roughly one and a half inches long. Not only does it get along well with other types of fish, but it's simply beautiful. As its name suggests, its dark blue and white stripes appear similar to a zebra's stripes. 6.A 40-gallon tank is a beginner-friendly one best for small and medium-sized fish species. As per the general rule of 1-inch fish per 1 gallon, you can keep 15-20 small-sized fish. For medium or large-sized fish, keep only 3 to 4 (medium-sized) and 1 to 2 (large-sized) fish. Guppies, tetras, mollies, and gouramis are some of the best fish ...Free online aquarium volume calculator to help you estimate how much water you need to fill a fish aquarium of given dimensions. Aquarium size calculator that outputs the …Calculate your tank capacity before adding any fish, and never overstock your tank as it can be fatal to your fish. It's not recommended to add more than 2-3 fish at once. Let them settle in for a week, then test the ammonia levels in the water before adding more fish. Ammonia and nitrite can kill your fish, so always make sure their levels ... ….

One of the most common but hardest questions we get is "How many fish can you put in a 20-gallon aquarium?". As you may guess, there is an infinite number of possible fish combinations for each tank size that we could recommend. To simplify things, read this article that discusses the three factors that will most impact.In this case, the sand required is 48 pounds, multiplying the two numbers above. Another way of calculating sand for a 2-inch depth level is: Multiply the aquarium’s length and width: 12.25 x 48.25 = 591. Divide the result by 10: 591/10 = 59.1 pounds. Hence, the sand quantity that your fish tank requires for a 2-inch depth is 59.1 lbs.These aquariums measure 36 L x 12 W x 16 H inches (91.4 L x 30.5 W x 40.6 H cm) and are molecularly bonded and heat polished at the seams for protection against leaks and cracks. ... How many fish you can put into a 30-gallon fish tank depends entirely on the species you plan on keeping: freshwater (aggressive or …Use these aquarium volume calculators to help. It is a good idea to write down your volume and keep it somewhere safe (e.g. on the inside of your aquarium cabinet door) You can take off roughly 10% of your volume to account for decor (rocks, gravel etc.) and space above the water line. Choose your tank shape from the calculators below, enter ...Sand Bed Calculator. Choose the tank shape that closely resembles the shape of your aquarium. Enter the desired depth of your sand bed and select the sand type to find out how much your tank will need. We recommend 1" - 2" for most aquariums. (L) LENGTH (W) WIDTH (H) HEIGHT.Similar to its cousin the popular Chili Rasboras, this pretty nano fish is colorful, active and can really bring a lot of energy to your 10-gallon community tank. They usually stay below 0.6 inches (1.6 cm) and school together in a vibrant wave. Like Chili Rasboras, keeping them in groups of at least 6 fish is a must.10 in. A 30 gallon tank can hold 30 inches of slender fish, 15 inches of medium fish or 10 inches of large fish. A thirty gallon tank has just enough room that you can really start to broaden your fish keeping horizons. Some good fish for a 30 gallon tank are German rams, American flagfish and tiger barbs.As for stocking I'm going to take it slow. I just wanted to know if the fish would be alright together. 36 gallon, Fluval C3, Hydor Koralia Water Pump 550 GPH - 1 Rummynose Tetras, 1 Glowlight Tetra, 5 black khuli loaches,3 Peppered Cories, 3 Zebra Danios. 50 Gallon, Fluval 305 - In progress. Like.Publish your ebook on your own time with these beautiful and free ebook templates. Choose from Powerpoint, Adobe Indesign, and Google Slides formats. Trusted by business builders w... How many fish in a 36 gallon aquarium, So shrimp and snails will be two good choices. However, betta and molly may eat shrimp. So, 2 apple snails are better as algae eaters for 5-gallon tanks. A 5-gallon tank is so small for a fish. We do not recommend this at all. You should arrange a little bit of money to keep a minimum of 10-gallon of the fish tank., Mar 19, 2012 · Step 1: Calculate the surface area of your tank by measuring the length and width (but not the height), and multiplying the two. For example, a 35-gallon tank may measure 24 inches long and 12 inches wide. The surface area would be 288 square inches. (24 x 12 = 288) Step 2: Calculate how many inches of angelfish your tank can hold by dividing ... , If the heating requirement is between levels, move up to the next larger size. Example: Average room temperature: 68 degrees F. Target water temperature: 77 degrees F. Heating required: 9 degrees F (77 - 68 = 9) Tank size: 20 gallon. Heater size needed: 50 watts. Aquarium Heater Size Guide. Tank Size., Typically, it’s best to keep mollies in groups of three molly fish or more. This will help them feel secure and can reduce aggression between individuals. It is also essential to ensure everyone has plenty of room in the tank. For smaller tanks, it’s best to keep up to four mollies per 10 gallons of water., How much does a 125-gallon fish tank weigh when full? A gallon of water weighs approximately 8.34 pounds. So, a 125-gallon fish tank would weigh around 125 x 8.34 = 1042.5 pounds when filled with water. How thick is a 125-gallon fish tank? The thickness of a 125-gallon fish tank glass varies depending on the manufacturer and design., Conclusion. In conclusion, gravel is an essential part of any aquarium and it’s important to select the right amount for your tank. For a 36 gallon tank, 3-5 pounds of gravel should be sufficient. Also, consider the size of your gravel as well as its color in order to create the desired look and feel you want for your aquarium., 15 Fish in a 10 Gallon Tank. Having 15 fish in a 10 gallon tank is not recommended because it can lead to overcrowding and stress for the fish. Crowded tanks can also create poor water quality, which can be detrimental to the health of all the fish. To ensure that your fish are living comfortably, it is best to have no more than 1 inch of full ..., How many fish in your aquarium can be calculated by using several tools, including an aquarium stocking calculator and aquarium bioload calculator. Basically, you need to know the correct fish-to-tank …, 70-gallon tanks can hold 35 guppies. 75-gallon tanks can hold 36 to 38 guppies. As you can see, the number of guppies you can house in a fish tank depends on the size of the tank. Smaller tanks can hold one to two guppies, medium-sized tanks can handle five to six, and larger tanks usually accommodate a maximum of 30 to 40 guppies at one time., The answer to how many tetra fish per 2-Gallon of water is 1 tetra fish. Since tetra fish have a slim body, we take the golden rule:1 gallon of water per inch of fish. So, using the formula: total tetra fish on an aquarium is equal to a total gallon of the aquarium divided by average size (inch) of your tetra fish species, we get a 2-Gallon/2 ..., Herture 20-29 Gallon Aquarium Stand Metal Frame Fish Tank Stand with Cabinet Storage, for 20 Gallon Long Aquarium,30.7" L*16.5" W Tabletop,330LBS Capacity Black PG01YGB 129. $109.99 $ 109. 99. 0:44 . Akenow Fish Tank Stand 40 Gallon,Turtle Tank, ..., Fish Tank Calculator. You can use this useful fish tank calculator to determine key aspects of a fish tank; for example, the water surface area, the capacity, and the glass surface area. Simply choose the unit of measurement, input details of the base shape of the tank from the drop-down menu, input the dimensions identified a, b, c, input the ..., It's vital to have a clear understanding of your tank's size. A 20-gallon high tank typically measures 24″ x 12″ x 16″ (61 cm x 30.5 cm x 40.6 cm). A 20-gallon long tank, however, has dimensions of 30″ x 12″ x 12″ (76.2 cm x 30.5 cm x 30.5 cm). Ensure your space can accommodate this footprint., Here are some good combinations of tetras, other fish, shrimps and snails that can be kept in 5, 10 or 20 gallons tank: 5 gallon/ 19 liters. 5 gallon tanks are small so your choice is pretty much limited. 6 neon tetras + 1 snail OR. 2 platys + 6 ghost shrimps OR. 1 beta + 6 ghost shrimps or 1 snail. 10 gallon/ 35 liters., Needed aquarium gravel (kg) = aquarium width (inches) * aquarium length (inches) / 10 / 2.2. For starters, at least 2 inches of gravel is best for freshwater aquariums and is the minimum and recommended amount of gravel that is best for the tank’s base. Generally speaking, 1 pound of the substrate must be added per gallon of water which means ..., 18 Dec 2020 ... Here is my setup of my 36 gallon bow front tank and how I set it up Current stock: -Albino Cory Catfish -Peppered Cory Catfish -Neon Tetras ..., You can’t wait to go to your local fish store and buy 100 fish for your 10 gallon fish tank. But wait, maybe you should rethink that plan. Not all fish can be kept together and there is a limit as to how many you can keep in your tank, no matter how big it might be. Here’s how to figure out how many fish per gallon your freshwater or ..., More standard units of bow front aquarium are available in 16, 26,36,46,54 and 72 gallon sizes. However, you can also probably order bow front aquarium of any size, if you need a custom aquarium. There is surely going to be a perfect size available for you from 6-200 plus gallon aquariums., One adult male platyfish will be 3.81 cm (=1.5 inches) approximately. One adult female platyfish will be 6.35 cm (=2.5 inches) approximately. So for 4 female platies and 1 male platyfish, the total will be 29.21 cm (=11.5 inches.) Therefore, the minimum size of your aquarium tank should be 45.42 liters or 12 gallons., How Many Fish Can You Keep in a 10 Gallon Aquarium Tank? #shorts. When adding fish to a nano tank, do so carefully and slowly. Cycle the aquarium for at least a few weeks, and allow the water parameters to stabilize. Once the aquarium is cycled properly, add a few fish into the aquarium. Observe the fish and make sure they are healthy., Surface area of a fish tank = length x width. To calculate how many fish you can have using this method is: 1 inch of adult fish for every 12 square inches of water surface area. For wide bodied fish, it is 1 inch of adult fish for every 20 square inches. The greater the surface area of your tank, the more fish you should be able to have. , SeaClear 10-100-15461/63 In-Stock Now. Buy Your SeaClear System II 46-Gallon 36"Lx16.25"Wx20"H Bow Front Acrylic Aquarium Direct and Save. Free Shipping on Orders Over $75. Tax-Free., The rule is very simple and says the following: For every 1 cm of fish you need to have 1 liter of water. That is, a 4 cm fish, a thick bush for example, would need 4 liters …, Step 1: Calculate the surface area of your tank by measuring the length and width (but not the height), and multiplying the two. For example, a 35-gallon tank may measure 24 inches long and 12 inches wide. The surface area would be 288 square inches. (24 x 12 = 288) Step 2: Calculate how many inches of angelfish your tank can hold by dividing ..., A 40-gallon tank is a beginner-friendly one best for small and medium-sized fish species. As per the general rule of 1-inch fish per 1 gallon, you can keep 15-20 small-sized fish. For medium or large-sized fish, keep only 3 to 4 (medium-sized) and 1 to 2 (large-sized) fish. Guppies, tetras, mollies, and gouramis are some of the best fish ..., Six juvenile angelfish should be OK in a 36 gallon tank, but expect them to get much larger. In addition, angelfish start their puberty ordeal at approximately nine months of age. Siblings tend to be more tolerant of eachother, but mating rituals can be violent, and angelfish vigorously defend their spawning place and fry., But if you have plants, you want to use 1 to 1.5 pounds of gravel per gallon. So, 60-70 pounds of gravel is what you would need for a 55-gallon tank. Gravel is going to help your fish by maintaining water quality. There are a wide variety of types/styles of the grave for your aquarium., In a 36 gallon you can do a single Bristlenose pleco, again can get the regulars around $5-6. There are other's that will go for more. Hillstream Loach, get a 2-3 or three and they'll keep the glass clean. plus their kinda cool to watch, you can see their mouths going against the glass., Remember always to prioritize the well-being of these amazing creatures when deciding whether/how many fish can be put into a 15-gallon aquarium. Tips for Maintaining Water Quality in a 15 Gallon Tank. Keeping fish can be a rewarding and relaxing hobby, but it's important to maintain water quality in your tank., So, how many fish can you keep in a 20-gallon tank? There’s a generally accepted guideline for stocking any aquarium, and that’s to allow one inch of fish per one gallon of water in the tank. However, there are a few other things to consider when stocking your tank, which we’ll discuss later in this guide. The most important thing to know ..., The minimum fish tank size for one oscar fish is said to be 55 gallons. You can keep one fully-grown oscar fish in a 55-gallon aquarium. While this is acceptable, many people say that it's better to go with a larger tank. There are vocal oscar fish owners who say that you shouldn't go with a tank that is less than 75 gallons., Truthfully, there is no perfect way to calculate the actual quantity of fish to stock in your aquarium. But, there is a general rule to stocking fish, and that is “ 1 inch of fish for each 1 gallon of aquarium …, A Common Pleco needs at least 75 gallons, they can get to 18 to 24 inches in length, heavy in the body and produces huge amounts of waste. The Oscar needs a big tank also, mine was 14 inches long, heavy in the body and the tank she was in was just too small for her.