Fishtankadvisor.com does not intend to provide any kind of veterinary suggestion. Aquarists enjoy keeping corys due to their small size. Corydoras naturally dart to the surface to gulp oxygen. The breeding tank should have a very fine smooth gravel or a sandy substrate. $ 32.59 Choose a Pack: School of 3 - $ 32.59 School of 6 - $ 58.79 School of 9 - $ 83.89 School of 12 - $ 107.99 School of 24 - … Some of your best options include: Rocks make excellent decorations, but some decorations and rock caves present a unique problem for corys. Like most corys, it’s easily sexed when viewed from above. Make sure the commercial diets you provide reach your corys on the bottom. A good maintenance regime is essential with this species as it’s sensitive to deteriorating water conditions. Allow the wood and leaves to stain the water the colour of weak tea, removing old leaves and replacing them every few weeks so they don’t rot and foul the water. julii: named in honour of a person whose identity remains a mystery. Most corys rarely get larger than 2.5 inches (6.4 cm). It usually has a yellow or … You should also try to keep the water as neutral as possible. Julii corydoras (Corydoras trilineatus) Don’t let the common pet store name of this catfish fool you; it’s actually more accurately known as the false julii corydoras, three line cory, or leopard cory. 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. In the wild, they swim in synchronized patterns in schools of up TWENTY. This species's stripes are thicker. This often causes these delicate little catfish to die shortly after the introduction to a new community tank. Husbandry Information; Feeding: Sinking pellets and frozen bloodworm are ideal although all prepared foods that reach the bottom are accepted. At times I have had them breeding, at others there has been a slow decline in numbers for no obvious reason. Odds are, your little cory cat will adopt itself into one of the other schools in your community aquarium to boost its morale. The fish was found in the Guama River (including its tributaries such as The Ararandeua River), Maracanã, Morcego, Parnaiba, Piriá, Kaete, Turiaçu and Mearim River. It’s also been suggested that the addition of water from a tank containing spawning or just spawned corys (this can be the same or a different species) may induce spawning behaviour in some of the more “difficult” species. pH Level – 6.0 – 8.0. You’ll get a more dynamic aquarium with higher numbers. Individuals of both species however can carry varied markings so small mixed (or suspected mixed) groups are to be avoided – Julii are rarely seen in the UK so getting people to believe I have both seen and kept them is difficult. Whether you know them as corydoras, corys, or cory cats, odds are you’ve admired these little catfish in the pet store at some point in your aquarium hunt. Livable Temperature – 69.8 – 75.2°F. Symptoms include lethargic behaviors and swimming higher in the tank. Don’t keep it with anything very large or aggressive. 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. Some times all that is required is a change of water of the same temperature to set them of (Corydoras pygmaeus). If you opt for rock décor, choose pieces without holes small enough for your corys to get trapped inside. Despite their diminutive size, they live for about 5 years. The venom can cause skin reactions to humans and prove fatal to other fish in an aquarium. The fish got its name from someone whose personality is actually unknown. Unlike some catfish, corys enjoy a healthy social life. Check your water values immediately. Ranging in price from $3-$30, even for the rarest species, they’re also not terrible in cost. That assumes you keep them under the best conditions, though, and that they survive transport from the pet store or breeder. Water Hardness Level –… There are also loads of undescribed species, many of which have been assigned a “C number” for identification purposes. So if you want baby cory cats, you’ll need a separate breeding tank. If you’d prefer to stay on the safe side, sand works fine. The short-nosed three-banded catfish has three noticeable longitudinal stripes along the body: silver – black – silver. Temperature range: 72 – 80 °F. Bronze corys rank as some of the most popular cory cats. Temperature Range – 22 – 28°C pH Range – 6.0 – 7.0 Special Requirements - The main thing with Corys is to ensure that they do get food. Corydoras is a genus of freshwater catfish, the name being derived from the Greek words, “Kory”, meaning helmet and “doras”, meaning skin. 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. Level of Care: Easy. 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). Females are noticeably rounder and broader-bodied than males, especially when full of eggs. For those looking for a rarer member of the cory cat group, you can’t go wrong with Schwartz’s cory. PH: 6.5-7.5 GH: 4-20 ... robineae، فريق Corydoras rabauti، فريق Corydoras Atropersonatus، فريق Corydoras sterbai وفريق Corydoras trilineatus يكون هذا السم ولكن يستحسن أيضا الأنواع الأخرى مشاهدة. These she uses to form a ‘basket’, into which she deposits a single egg (although up to 4 may be released). The most popular tetras, including the neon tetra, often frequent the same warm waters as corys. The true Corydoras julii is a lot rarer in the aquarium hobby, but we still love this beautiful lookalike. People often confuse the three-lined cory for the Julii cory. Always try to maintain Corydoras in groups as they’re far more confident and active in the presence of conspecifics. Make sure your tank’s fully mature before adding them. Written by Mike Wheeler. The water parameters will be: temperature at 23°C or 73°F, pH at 6/7 and hardness at 8°dGH. Due to their small size, cory cats work well in nano tanks and larger community aquariums. Water should be soft, with a slightly acidic to neutral pH (6.5 to 7.0), and at a temperature of approximately 75 degrees F (24 degrees C). Use a good quality sinking pellet or tablet as the staple diet. Make a 50% water Filtering the water through peat is useful, as is the use of RO water. Scientific name: Corydoras trilineatus Common name: Leopard catfish, Three line cory Group: Catfishes Habitat: South America; Peru. If you see your corys performing this behavior frequently, consider adding air stones or extra plants to boost your tank’s oxygen levels. The new container should contain the same water as the spawning tank and be similarly well-oxygenated. As such, try to keep your tank’s water hardness around 3-10 dH. That armored exterior is no match for a large, aggressive fish. Indeed, the motives of the latter can vary widely and sometimes resemble those of Corydoras julii. Most of the fish sold as C. julii are in fact C. trilineatus. Filtering the water through peat is useful, as is the use of RO water. Corydoras spawn during the rainy season. Some hobbyists even use certain species of freshwater shrimp to pick any fungal spores from healthy eggs. A small net bag filled with aquarium-safe peat can be added to the filter to aid in the simulation of black water conditions. eval(ez_write_tag([[300,250],'seriouslyfish_com-large-mobile-banner-2','ezslot_11',113,'0','0'])); For most hobbyists identification isn’t so much of an issue, and it must be said that C. trilineatus ranks among the very best choices for the newcomer to catfish; being peaceful, hardy and attractive. So, if you bought as fish as julii, it's almost certainly C. trilineatus from the upper Amazon. Called the Trilineatus Cory, this spotted Cory will be a great addition for your clean up crew! The temperature of the water in the aquarium in which it is kept should be 18-25 o C, hardness 5-20 o dGH and pH 5.8-7.2. It’s known from parts of the Amazon basin in Colombia, Peru and Brazil, as well as various coastal river systems in Suriname. Flagtail corys aren’t as shy as some of the other cory cats. The content of this website is not meant to be a substitute for professional medical advice. Intraspecific hostility is similarly unusual, occurring in only a handful of species (mainly being confined to the “long-nosed” varieties). They’re also thinner, especially when viewed from above. As long as you choose compatible fish, they get along well with almost anyone. And the more you group together, the happier they are. With particularly large eyes, these minuscule catfish have a large fanbase. If you look at their fins (not the caudal fin), you’ll see they’re a little more pointed than those found on the female. They will be a great addition to your clean up crew in a Discus Community Tank. Corys are not averse to regular water change and have a love for fine soil to "sniff". Both systems were implemented by the German aquarium magazine DATZ (Die Aquarien und Terrarienzeitschrift), but have proved to be invaluable tools and are now used widely by aquarists worldwide. The Corydoras genus currently counts 170 members, with more surfacing all the time. Aquarists have even seen them joining in with some of the tetra schools in their native regions. A sponge filter works well for this type of grow-out setup. These are very healthy and active Cory Cats. In nature most species occur in large schools and as such do best when kept in a group in captivity. In addition to their stripes, you can tell the two species apart by their head spots, which connect back to those distinguishing stripes. will probably find that they will mostly lay them on the glass anyway. Unlike most corys, they hover just above the bottom in their shoals. Maximum Size: 3 inches. Cory cats lay around ten eggs in their nest. Ask your questions and share your stories here! Although they’ll consume bite-sized items such as eggs or fry, aggression towards other species is virtually unheard of. Aquarium filters which have been highly recommended by customers in your area can be found, To search for high quality aquarium heaters, click. You may have to hunt for Sterba’s cory a bit, but it actually ranks as one of the most popular species. They don’t harass freshwater shrimp or snails, pairing nicely in invertebrate tanks. Tankmates: Peaceful,… Which is why it’s also called the false Julii cory. This adaptation allows them to survive if their habitat becomes oxygen-deprived for any reason. Corys DO scavenge, but they can’t get everything, and you don’t want to make them sick. It’s likely that this can be attributed to hormones released by the spawning fish acting as a chemical trigger. Corydoras julii and Corydoras trilineatus are very similar and frequently confused by both hobbyists and retailers. Conversely because of the frequent mislabeling many people incorrectly believe they are common in shops. When stressed, they release the toxin throughout the water. It’s partly this tremendous diversity (along with their undeniably cute looks) that puts corys among the most popular fish in the hobby. A temperature of around 75°F and a pH of 6.5 should be fine. You can simulate this weather pattern by decreasing the water temperature by 5 degrees. The eggs hatch in 3-5 days and once the fry have used up their yolk sacs, they’ll accept microworm and brine shrimp nauplii as first foods. If you decide to move the eggs, you’ll find they’re quite robust, and can usually be gently rolled up the glass with a finger. They nibble the leaves and use the cover to hide in. Temperature: 23-27 degrees. Aquarists love corydoras as they make perfect community tank additions. Have you heard the “popping” at the surface of your tank? Filtration should be gentle to avoid drawing small fry into the filter; a sponge filter is an ideal choice. That means you’ll need to provide a once-a-day feeding to make up the difference, so your adorable little cory cats don’t starve. Three Line Corydoras – Corydoras trilineatus. If the fish decide to spawn, they will usually lay their eggs on the tank glass, often in an area where water flow is quite high. You want to aim for 0 ppm as much as possible. Cherry shrimp, Neocardina heteropoda work well. However specimens of C. trilineatus exhibiting this spotted pattern have also been recorded, and the overall patterning of both species can be quite variable. Often confused with Corydoras trilineatus. It’s worth observing a couple of notes on general cory breeding at this point. A temperature of around 75°F and a pH of 6.5 should be fine. Many species are seasonal spawners, breeding during the wet season in their native countries. Origin / Habitat : South America: Central Amazon River basin You don’t want to see the water temperature drop out of the 72 – 78°F (22 – 26°C) range. You’ll likely end up with a wild-caught import you’ll need to fatten up a bit, as commercial-breeding isn’t quite up on this species just yet. The shoaling members rarely drift more than an inch (2.5 cm) from each other, even when taking a break during their resting hours. Otherwise, a standard HOB filter provides enough water flow. A bare bottom is also suitable. The “true” C. julii is quite rare in the hobby, as it’s not present in very many of the commercially fished Amazonian waters. in Catfish,Egg-layers,Fishes,General. As shoaling fish, they have a “fright reflex.” When fleeing, these tiny catfish often get stuck in the rockwork. Corydoras Trilineatus is one of the easier species to keep in a fish tank. If you see barbel problems, odds are the issue’s your water conditions, not the substrate. Once this is fertilised, she swims away to find a suitable place to deposit the egg, before the cycle is repeated. The cooler temperature reflects the sudden rainfall expected in the wild. They seem to be less susceptible to disease when kept over a thin layer of sand, rather than in a bare-bottomed setup. Tailspot Cory (Corydoras caudimaculatus), 13. Good tankmates include small characins, cyprinids, anabantoids, dwarf cichlids and other peaceful catfish. In the wild, they enjoy a pH of 7.0 – 7.8. Click on the following links to search for high quality live, frozen and dry food: To find other high quality, highly recommended foods click. This is a very simple system of numbering and is similar to the L number scheme used to identify undescribed Loricariids. Use fairly dim lighting. Both sexes share the same vibrant shades throughout all stages of their lives. If you start to get above 20 ppm, you’ll see white patches developing around your corys’ barbels and mouths. For every additional cory you add beyond that, add 3 extra gallons (7.5 l). A few handfuls of dried leaves (again beech can be used, or oak leaves are also suitable) would complete the natural feel. Even then, some eggs will probably fungus, and these should be removed as soon as they’re spotted in order to prevent the fungus spreading. Size : Up to 2.3 inches (6 cm) Water Parameters : pH 6 - 8 | Temperature : 72°F - 79°F (22°C - 26°C) | Water Hardness : 2° to 25° dH. They’re simple to breed, so most aquarists acquire them from captive-breeding instead of the Mato Grasso region of Brazil. Also called the spotted cory, the splotches of black break up across the body and tail, glowing against their silver scales and near-transparent fins. When the females are visibly full of eggs perform a large (50-70%) water change with cooler water, and increase oxygenation and flow in the tank. Threestripe AKA False Juli's Cory Catfish (Corydoras trilineatus), Tank-Bred! Year Discovered – 1972. This would be very simple to arrange. Other than an occasional jaunt to the surface for a “bite” of air, corys stay on the bottom. The following fish make TERRIBLE tank mates for cory cats: Corydoras are scavenging omnivores. A temperature in the mid-seventies is good with a p.H around about the neutral (7) mark. Lifespan : 2 to 3 years. Spawning behaviour is characterised by an initial increase in activity and excitement, before males begin to actively pursue females. This occurs at the same time of year as the UK winter, so if summer breeding attempts are failing, it may be worth waiting until winter before trying again. Agassizi Cory (Corydoras agassizii) With a silver body and a black pattern, this is a fish that stands … The wide-eyed catfish have an adorable appearance that endears them to aquarists of all ages. This manageable size allows you to keep a healthy school without needing a monstrous tank. Most corys are primarily benthic (bottom dwelling), although a handful of exceptions do spend the majority of their time in open water. Fishtankadvisor.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. As soon as you see the eggs, scoot the adults to their side of the partition to prevent cannibalization. Julii’s feature spots along their sides – dots that DON’T connect into stripes. Sometimes more than one male fertilizes a nest, so consider placing two males per female in your breeding tank. Filtration is important but should be gentle enough to not suck small fry into the filter. See, corys enjoy eating fish eggs – including their own. As with all true corys they are completely non-aggressive but have little if any respect for territory so may stress certain fish at breeding times,notably cichlids who aren’t known for their tolerance of intruders if eggs/fry are around. You should also try to keep the water as neutral as possible. Aquatic plants are not a feature of this species‘ natural waters. The water can have a temperature of about 22 to 26 degrees at a pH of 6.0 to 7.5. Orange blotch corys – also known as Burgess’ cory – may not have the most exciting name, but the iconic orange spot on their neck stands out in the right lighting. Suitable tankmates are peaceful Tetras swimming in the middle and top layers of the aquarium. Here are a few to look out for Corydoras trilineatus and Corydoras schwartzi have sharp black and white markings. They have the ability to tilt their eyes which looks like blinking. Some of the newest lack names, sporting a “C” and a number instead. These corys are extremely sensitive to nitrites and nitrates, even more so than other corys. Use air-powered sponge or box-type filtration as fry won’t be sucked into these and provide some clumps of vegetation such as java moss. However, C.julii tends to have small spots, while C.trilineatus patterns form black lines like zebra. Named for the prominent stripe down their backs, skunk or arched corys present a challenge for aquarists. The fry survive on their yolk sac and then turn free-swimming. These little bottom-dwellers have peaceful temperaments, they’re active, and they move in coordinated patterns. However, unless your aquarium houses a lot of ill fish, your corys won’t find enough leftovers to stay healthy. According to most sources, C. julii is supposed to have a pattern of fine spotting on the head, this being replaced by a more reticulated pattern in C. trilineatus. You don’t want to see the water temperature drop out of the 72 – 78°F (22 – 26 ° C) range. Corydoras breed in home aquariums with little trouble. They may sample algae here and there, but they aren’t strict algae-eaters in the way of other catfish. Named for the dark splotch near their tail, these little cory cats are some of the most difficult to breed. Otherwise, its silvery body is covered by a dark […] Just make sure you don’t add any fish large enough to swallow them! So long as you’re on top of your water quality, your corys will handle most situations without a problem. Cory cats inhabit the sandy bottoms of the streams and rivers while the tetras school overhead. Even in a school, it’s possible to lose a cory cat to a tank mate. You’ll also notice the male hovering close by. However, if you slip on your water changes, you’ll start seeing problems. There are very similar aquarium care requirements between the two species. For fans of nano aquariums, the pygmy cory fits the bill. However, they stress easily due to their tiny size, so take extra care. 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. Similar to tetras, corys inhabit the softer waters of the Amazon basins. How old is your oldest cory? Additionally, it can take several years for certain species to become sexually mature, so be patient. It originates in inland waters in South America, and is found in the central Amazon River basin in Brazil and Colombia, Peruvian Amazon and coastal rivers in Suriname. Corydoras have an adaptation to their intestinal lining that allows them to “gulp” oxygen from the surface. 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. Some cory species also have an adaptation of venom. They spend their waking hours probing the bottom with their barbels for leftover pieces of meals dropped by other fish in the tank. It’s always better to have a higher ratio of males to females when breeding corys and 2 males per female is recommended. Cut back on the numbers of fish in your aquarium. While they’ll certainly polish off any uneaten morsels that reach the substrate, they won’t keep the substrate “clean” as such. Size: 6 cm Biotope: Along banks of slow-moving rivers with soft bottom material. Temperature: 16.0-25.0°C or 60.8-77°F (Show species within this range) Other Parameters: A hardy species that will tolerate most water conditions found within a reasonably maintained aquarium. As you can see, these values indicate that this is a tolerant species and will not cause problems in the aquarium. pH range: 5.5 – 7.5. For more information, please check our, 8. Care Level : Easy. This fish is prevalent in the community aquarium because of their looks and personalities. In a busy community environment, feed some sinking micro-pellets to make sure the Corys get some. This evolution keeps them healthy in low-oxygen conditions. Either remove the adults and raise the brood in the same tank, or move the eggs and raise the fry elsewhere. Once the breeding tank is prowled, introduce the breeding fish (1 large female and several male). They like a temperature between 23 and 26 ° C at a pH of around 7. C. trilneatus will thrive in a tank set up to replicate an Amazon biotope. Freshwater & Brackish Puffers: How to Properly Keep them in Your Tank, Aquarium Driftwood: Best & Safest Types for your Tank, Introduction to Aquarium Fertilization Products, 12 Fantastic Freshwater Shrimp You Wish You Had, A Comprehensive Guide to Finding the Right Chiller for Your Aquarium, Choosing the Perfect Liner for your Pond & Water Garden, LED Aquarium Lighting: 11 Great Fixtures for Freshwater, Planted and Reef Tanks, Protein Skimmer: Ultimate Buying Guide plus 11 Reviews. Increase the number of plants in the tank. Bekijk meer ideeën over Vissen, Aquariumvissen, Tropische vissen. Quite a widespread species. Provided space isn’t an issue this rarely results in physical damage, though. These cats are sensitive to poorly maintained or dirty substrates and can lose their barbels if kept in poor conditions.eval(ez_write_tag([[300,250],'seriouslyfish_com-box-4','ezslot_0',120,'0','0'])); Omnivorous and easy to feed. Corydoras julii habitat is in North-East Brazil. You’ll increase your chances if you place a breeding pair in a tank of their own, though. As a matter of fact, it’s you and the other fish that could face problems if you’re not careful! They possess a modified, highly vascularised intestine to aid in the uptake of atmospheric oxygen. Furniture Corydoras trilineatus will grow up to 2.5 inches in length. Alternatively, it also does well in a more standard, preferably well-planted tank. A combination with bottom-dwelling dwarf cichlids such as Apistogramma is … Also hatchet fish are a great combination. Unlike many freshwater fish, hoping to gauge males from females based on color or pattern brightness doesn’t work with corys. Cory cats LOVE plants. 2.2″ (5.5cm).eval(ez_write_tag([[580,400],'seriouslyfish_com-medrectangle-4','ezslot_3',111,'0','0'])); A tank measuring 18″ x 12″ x 12″ (45cm x 30cm x 30cm) – 42.5 litres is big enough for a small group of these. In the wild, the spot helps the members of the school stick together in murky waters. 7. Cory… They are active shoalers and will stay near conspecifics, making for a lovely sight. They are best kept in groups. Just avoid any you see with bright, dyed colors – this practice impacts their health and lifespan. 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). As with all corys, don’t use undergravel filtration and ensure the substrate is kept scrupulously clean. Corydoras: from the Ancient Greek κόρυς (korus), meaning ‘helmet’, and δορά (dora), meaning ‘skin, hide of an animal’, in allusion to the rows of bony plates on the flanks of genus members. They’re available in multiple color varieties, despite their name. Horizontal stripes filtration and ensure the substrate when kept over a thin of... A change of water changes, you can ’ t as shy as of. Mates, you ’ re far more confident and active in the community aquarium to boost its.... Exercised when handling or moving corys for any reason you opt for rock décor, choose without. ( 7.5 l ) C at a pH of around 7 make the best choices include: corys love... Them to survive to hatching shades throughout all stages of their lives 7.0 7.8! 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Due to their tiny size, they swim in synchronized patterns in schools of TWENTY... Bloodworm and Brine shrimp the salt and pepper cory falls into the category of dwarf cory cat to new! Corys rarely get larger than 1 inch ( 2.5 cm ), Tank-Bred, Artemia, and... Splotches, making for a rarer member of the tetra schools in their native countries find. Their habitat becomes oxygen-deprived for any reason seen on the glass anyway incorrectly they! Julii name sudden shocks to cory cats reaching more than one male fertilizes a nest, so patient. Occurring in only a handful of species ( mainly being confined to the surface members, more!