Unlike some catfish, corys enjoy a healthy social life. As long as you choose compatible fish, they get along well with almost anyone. Corys have a hardy reputation. They spend their waking hours probing the bottom with their barbels for leftover pieces of meals dropped by other fish in the tank. The three stripe corydoras (Corydoras trilineatus), leopard catfish, false julii corydoras, or three line catfish is a tropical freshwater fish belonging to the subfamily Corydoradinae of the family Callichthyidae. Aquatic plants are not a feature of this species‘ natural waters. Filtration is important but should be gentle enough to not suck small fry into the filter. So long as you’re on top of your water quality, your corys will handle most situations without a problem. If you see your corys performing this behavior frequently, consider adding air stones or extra plants to boost your tank’s oxygen levels. You'll see them … In fact, maintenance of the substrate becomes more of a primary concern if your tank contains a few corys, as they can develop nasty infections of the barbels if kept in dirty or otherwise unfavourable conditions. Corydoras julii habitat is in North-East Brazil. A bare bottom is also suitable. They seem to be less susceptible to disease when kept over a thin layer of sand, rather than in a bare-bottomed setup. Care should therefore be exercised when handling or moving corys for any reason. Corydoras feed by searching through sand with their barbels, and sand is necessary for the long-term health of Corys. These cute little catfish add personality and colorful patterns to any community tank. Three-lined Cory (Corydoras trilineatus), Everything You Need To Know About Betta Splendens, Freshwater Bottom Feeders: How to Properly Keep Them in your Aquarium, Caring For The Electric Blue Hap Cichlid (Sciaenochromis Fryeri). Corydoras naturally dart to the surface to gulp oxygen. Cory… With particularly large eyes, these minuscule catfish have a large fanbase. Many corys have black and silver patterns, but not quite as stunning as that seen on the Agassizi cory. Introduction The three-banded armored catfish Corydoras trilineatus, which is very popular in the aquarium hobby, comes from fast-flowing rivers on the central reaches of the Amazon in South America. This adaptation allows them to survive if their habitat becomes oxygen-deprived for any reason. You may have to hunt for Sterba’s cory a bit, but it actually ranks as one of the most popular species. The real C. julii will turn up from time to time as although it originates from the upper Parnaiba system in the lower Amazon drainage, it is found in the Rio Para where commercial fish collectors operate. Common Names : Leopard Catfish, Three Line Corydoras, Three Stripe Corydoras. Husbandry Information; Feeding: Sinking pellets and frozen bloodworm are ideal although all prepared foods that reach the bottom are accepted. It’s worth observing a couple of notes on general cory breeding at this point. Water should be soft with a slightly acidic to neutral pH (6.5 to 7.0) and maintain a temperature of approximately 75 F (24 C). Make a 50% water Good tankmates include small characins, cyprinids, anabantoids, dwarf cichlids and other peaceful catfish. The differences aren’t subtle, so sexing corys is easy. The water can have a temperature of about 22 to 26 degrees at a pH of 6.0 to 7.5. Unlike some tetra species, though, you don’t need to worry about adding tannins to the water – they prefer the aquarium water to stay clear. Level of Care: Easy. For fans of nano aquariums, the pygmy cory fits the bill. So matching them with calm fish that prefer the middle or top of the aquarium works well. You want to aim for 0 ppm as much as possible. They may travel to the surface for air, but they don’t feed up there. Make sure your tank’s fully mature before adding them. Tailspot Cory (Corydoras caudimaculatus), 13. As an Amazon Associate we earn from qualifying purchases. Quite a widespread species. Condition the … Unlike the nocturnal plecostomus, corys are diurnal and scavenge for food during daylight hours. You’ll increase your chances if you place a breeding pair in a tank of their own, though. Once this is fertilised, she swims away to find a suitable place to deposit the egg, before the cycle is repeated. The venom can cause skin reactions to humans and prove fatal to other fish in an aquarium. Which corys are your favorites? In nature most species occur in large schools and as such do best when kept in a group in captivity. At times I have had them breeding, at others there has been a slow decline in numbers for no obvious reason. Pepper corys share the spotlight with bronze cory cats. They nibble the leaves and use the cover to hide in. While they’ll certainly polish off any uneaten morsels that reach the substrate, they won’t keep the substrate “clean” as such. A group of at least six is best. Breeding corys successfully requires a separate tank – for the eggs, if nothing else. Corydoras is a genus of freshwater catfish in the family Callichthyidae and subfamily Corydoradinae. Unlike most corys, they hover just above the bottom in their shoals. Threestripe AKA False Juli's Cory Catfish (Corydoras trilineatus), Tank-Bred! Both also have a dark patch on the dorsal fin. Repeat this daily until the fish spawn. Ranging in price from $3-$30, even for the rarest species, they’re also not terrible in cost. Whether a beginner or master aquarist, corys offer minimal difficulty. There are currently over 180 described species of Corydoras (commonly shortened to “cory”), making it one of the most speciose of all South American fish genera. Finally, different tactics may sometimes be required, such as timing of water changes, oxygenation levels etc. Cory cats inhabit the sandy bottoms of the streams and rivers while the tetras school overhead. In the wild, though, corydoras probe sharp substrates without a problem. Agassizi Cory (Corydoras agassizii) With a silver body and a black pattern, this is a fish that stands … Spawning behaviour is characterised by an initial increase in activity and excitement, before males begin to actively pursue females. You can simulate this weather pattern by decreasing the water temperature by 5 degrees. If you opt for rock décor, choose pieces without holes small enough for your corys to get trapped inside. People often confuse the three-lined cory for the Julii cory. If your nitrites are above 0 ppm, you may need to consider one of the following options: The synchronized shoaling behavior of cory cats appeals to fish fanatics of every age. Cory cats can fall ill, and cleaning the tank may not be enough to save them. This often causes these delicate little catfish to die shortly after the introduction to a new community tank. A sponge filter works well for this type of grow-out setup. A few handfuls of dried leaves (again beech can be used, or oak leaves are also suitable) would complete the natural feel. The more nano-species rarely grow larger than 1 inch (2.5 cm) as adults. A small net bag filled with aquarium-safe peat can be added to the filter to aid in the simulation of black water conditions. I am now down to a single female who appears healthy but sits alongside the C.Agassizii as opposed to amongst them. They’re available in multiple color varieties, despite their name. These corys are extremely sensitive to nitrites and nitrates, even more so than other corys. See, corys enjoy eating fish eggs – including their own. They’re also very peaceful aquarium residents. It should also be said that they won’t do well if expected to survive on the scraps of food that escape the fish above. In the wild, they swim in synchronized patterns in schools of up TWENTY. They will be a great addition to your clean up crew in a Discus Community Tank. Called the Trilineatus Cory, this spotted Cory will be a great addition for your clean up crew! Some hobbyists even use certain species of freshwater shrimp to pick any fungal spores from healthy eggs. A temperature in the mid-seventies is good with a p.H around about the neutral (7) mark. Temperature range: 72 – 80 °F. Some cory species also have an adaptation of venom. You don’t want to see the water temperature drop out of the 72 – 78°F (22 – 26°C) range. Males tend toward the smaller size, though. They’re simple to breed, so most aquarists acquire them from captive-breeding instead of the Mato Grasso region of Brazil. Corydoras julii and Corydoras trilineatus are very similar and frequently confused by both hobbyists and retailers. Cory cats are particularly sensitive to nitrates. Once the breeding tank is prowled, introduce the breeding fish (1 large female and several male). This would be very simple to arrange. This is perfectly natural and no cause for concern unless water conditions are deteriorating, in which case the frequency of visits to the surface will usually rise correspondingly. They’re on the narrow side, too – about the width of a dime or nickel. Many species are seasonal spawners, breeding during the wet season in their native countries. Lifespan : 2 to 3 years. Aquarists love the “winking” habit of these little catfish – a habit from their articulated eyes. You don’t want to see the water temperature drop out of the 72 – 78°F (22 – 26 ° C) range. Water Hardness Level –… This is a very simple system of numbering and is similar to the L number scheme used to identify undescribed Loricariids. With the striking black and white markings on their tails, they enjoy staying out where you can watch their shoaling antics. Either remove the adults and raise the brood in the same tank, or move the eggs and raise the fry elsewhere. This species's stripes are thicker. pH range: 5.5 – 7.5. Here are a few to look out for Corydoras trilineatus and Corydoras schwartzi have sharp black and white markings. Aquarists often mistake Julii corys for three-lined corys. Add nitrate/nitrite absorbers to your water. As you can see, these values indicate that this is a tolerant species and will not cause problems in the aquarium. The fish is endemic to coastal river systems to the South of the Amazon River estuary in the state of Piauí, Maranhão, Para, and Amapa. Size – 55 mm. Size: 6 cm Biotope: Along banks of slow-moving rivers with soft bottom material. The short-nosed three-banded catfish has three noticeable longitudinal stripes along the body: silver – black – silver. The shoaling members rarely drift more than an inch (2.5 cm) from each other, even when taking a break during their resting hours. Filtering the water through peat is useful, as is the use of RO water. Corydoras is a genus of freshwater catfish, the name being derived from the Greek words, “Kory”, meaning helmet and “doras”, meaning skin. Motivate spawning by feeding them with varied live prey and making water changes. Take care during cleaning, though. Remember to always ask a veterinarian for help regarding all of your pets. The “ popping ” sound when their corys swim to the surface for air, corys enjoy eating eggs... Varieties, despite their name t find enough leftovers to stay healthy by 5 degrees in murky waters ’! 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