Stingrays are closely related to sharks; they both possess a cartilaginous skeleton and are classified as Chondrichthyes. Instead of a calcareous, or calcium based bone structure, stingrays and sharks’ skeletons are made of cartilage which is actually lighter and less dense than bone. Stingrays also possess a stinger in their tail and should be handled with extreme caution. There are two common stingrays that may be kept in aquariums and they both come from South America; they are the motoro stingray () and the teacup stingray (). The motoro is the larger of the two; it can grow up to 3 feet in diameter while the teacup will get slightly larger than a foot in diameter. The teacup is the more sensitive of the two and is slightly more difficult to keep.A tank to keep a stingray should be at least 70 gallons to start, but between 125-250 gallons would allow the fish more room when it grows. The tank should also be wider than traditional tank dimensions; it should have at least a 3-4 foot length and an 18 inch width. A finer substrate such as sand is important since coarse gravels can cut the stingray. A deep sand bed also allows the ray to bury itself and hide. The temperature of the aquarium should be about the same as any tropical fish at 78° Fahrenheit and the pH should be between 6 and 7. Driftwood can also be used to soften the water which is better for the stingrays.Appropriate tank mates for stingrays are larger peaceful fish. Any fish that is too small risks being eaten by the ray and any fish too aggressive may nip at the ray. Other bottom dwelling fish such as plecos and loaches should be added with caution as there could be competition for space on the bottom of the tank. Some tank mate possibilities include many species of Severums (Red-face Gold Severums or Green Severums), Geophagus and Gymnogeophagus species, and many types of Knifefish (Clown Knife or Black Ghost Knife).Some great foods to give stingrays are blood worms and black worms. Other foods such as mysis shrimp may be given too. The worms or shrimp can be defrosted in water and a turkey baster can be used to make sure the stingray can eat some. After a period of time they may even learn that the turkey baster means food and swim right to it!Many challenges are involved with caring for a freshwater stingray, but it is well worth being able to watch them thrive in a good home and enjoying their amazing behaviors. If these amazing animals are something that interests you come on down to the store and see what’s in our ray tank! And if you’d like to learn more, talk to one of our Aquarists about setting up your own stingray tank!
Mar 8, 2012 - Standard sizes and weights for common aquariums.
Aquarium dimensions and sizes may vary slightly by brand or by trim type and color. The aquarium dimensions of one brand of tank may be slightly larger (or smaller) than the aquarium dimensions for the same gallon tank of a different brand. Similarly, the aquarium dimensions of a tank with one color trim may be a slightly different aquarium size compared to the same gallon tank with a different color trim.
Most common aquarium sizes in the U.S. - The Planted Tank Forum
I am not suggesting that you run out and purchase a 200-gallon aquarium. However, I do suggest that you use the game plan that you created last month, to help you choose the best aquarium for the animals that you wish to keep. A nice starter size aquarium that will allow for a good combination of fish, equipment, oxygenation and visual appeal is the standard 40-gallon breeder aquarium. The aquarium dimensions are 3 feet in length, by 18 inches in width and 20 inches in height. The next size that I would recommend for a larger starter aquarium is the 75-gallon, which has dimensions of 4 feet in length, by 18 inches in width and 20 inches in height. A taller aquarium can be used if you are going to utilize a deep sand bed for your substrate.
common aquarium sizes - Carolina Fish Talk