Still would be like putting a 20 ft shark in a 30 ft tank. Tank measurements. A 50 gallon would still be too small. Jack Dempsey fish stick to the carnivore side of the menu, so they won’t eat the plants in the tank, but their digging can uproot anything you try to use. Since Jack Dempseys like slow-moving waters, you won’t need any pumps. It has a base color of dark brown to gray, and displays many iridescent blue and green spots, giving this fish a spectacular look. The male grows larger as compared to females. Species: R. octofasciata When they are juvenile, they can be only 2-3 inches in size, which might mislead some fish owners, especially beginners. does not intend to provide any kind of veterinary suggestion. You’ll keep those blue, red, gold, and pink colors looking their brightest. Of course, males have that more aggressive streak. The Jack Dempsey is a medium-to-large fish, which grows to a maximum of an adult size of 10″, but the range is 8-10″, (20-25 cm). If you’ve done all of your work correctly, though, you may or may not notice this as readily as the other cues. Its named after the heavyweight boxing champion, Jack Dempsey. Jack Dempseys tolerate bogs, irrigation ditches, and streams. Whether invading Australia and Thailand or haunting cenotes in South America, Jack Dempseys prefer tropical climes. Subfamily: Cichlasomatinae 7. After all, in the wild, they tolerate high water temperatures and low oxygen levels. Order: Perciformes 5. These fish can grow up to 25 cm (10 inches) in length, so it is recommended to keep a single specimen in a rather larger tank - ideally 100 US gallons (378 liters / 83 imperial gallons) per adult fish. While Jack Dempsey fish reach impressive sizes and look stunning in a tropical aquarium, they aren’t out of reach – even for aquarists of modest means. Jack Dempsey are large, aggressive fish. In the wild, Jack Dempseys stick to slow-moving streams and rivers. Settling into the tropical waters, the Jack Dempseys are now invasive species in those regions. You just need adequate space for everyone in the group. Begin with at least a 55-gallon tropical freshwater tank. Dither fish are schooling species that show nervous fish everything’s okay – maintaining normal activity levels. Tank Mates : Try to keep them with fish of similar temperament (other Central American Cichlids). Fans of South American cichlids know and love Jack Dempsey fish (Rocio octofasciata). Fun fact: Jack Dempseys change color throughout their lives. You’ll know the time’s right when your fish darken in color. But they aren’t as familiar with the shy side of this colorful fish. They can get up 15 inches. My Jack Dempsey Fish Is Attacking Its Tank Mates. You can find processed fish foods designed with carnivores in mind. should i remove them when free swimmers? If you only keep one in a tank, you’ll keep bullying problems to a minimum. I prefer a nice red mix with a blue. The Jack Dempsey is a popular freshwater fish that originates in the murky warm waters of Central America. There's plenty of other Central & South American Cichlids to choose from. As soon as you want to keep a pair (or more), though, you need to up your game. That’s provided you give them enough room, of course. Jack Dempsey fish frequent streams with slightly soft, acidic waters. TBEAR. If left untreated, lesions result, and develop pockets of mucus. Setting the temperature to 84°F (29°C) triggers the spawning drive. If you want a better compromise, though, consider floating plants. They need careful management for their aggressive streak, but that much beauty is worth it. They’re also the best options when you’re getting fish ready for breeding: And just because they prefer the meaty side of things doesn’t mean you should neglect their servings of vegetables. regular water changes usually is enough to control this. The following fish work out surprisingly well: And, of course, if you want to keep a tank full of Jack Dempseys, you have that option. You shouldn’t expect to see that in your tank, though. Make sure you stay on top of your water changes. Keep a thermometer … 2 0. Only house your Jack Dempsey with fish that are similar in size and aggression. Adults should be purchased as singles. Of course, if you want one of the rarer color variations out there, you’ll have to pay more. (But don’t overcrowd the tank!). You’ll see pits forming on your Jack Dempsey’s head. Jack Dempsey Habitat and Tank Conditions If you can find one, the Electric Blue Acara's seem to have displaced them somewhat. Both parents guard the young over the next ten days. A lone Jack Dempsey can be kept in a 30-… Head and Lateral Line Erosion (HLLE) crops up whenever poor nutrition happens. No one’s quite sure whether they’re a variant of a wild type or engineered from selective breeding. NO other fish can go in the breeding tank! If you’re contemplating adding Jack Dempsey fish to your community tank (or setting up a tank of strictly Jack Dempseys), make sure you’re ready for the commitment. Common Name: Electric Blue Jack Dempsey Max Size: 12″ pH: 6.0-8.0 Hardness: Hard Temperature: 70-82° Aggressiveness: Aggressive Region of Origin: Central America Captive Bred or Wild: Captive Bred Diet: Flake or pellet, frozen and live food Compatibility: Alone, in pairs, or with similarly sized Central or South American cichlids Minimum Tank Size: 55 gallons If you’re a fan of Jack Dempseys but leery of that aggressive streak – and you have money saved up – the electric blue variety may be up your aisle. So, they need a tank that’s at least 80 gallons. Ok. Picture a fish that size in a 4 foot tank. Jack Dempseys will pursue and kill other fish once they’ve paired off and settled down to mate. And if you don’t have experience with territorial fish, you should skip this cichlid. As juveniles, they’re grey; adults take on gorgeous hues; spawners go almost black. When setting up your tank for Jack Dempseys, you want to make sure the conditions are as close as possible to their native habitat. Baby Electric Blue Jack Dempsey (Rocio octofasciata) Building Up Aquarium Sorry, but your 42 gallon bowfront would be too small. Common name:Jack dempsy Scientific name: Rocio Octofasciatum Family: Cichlidae Origin: Central America Max Size: 9" Temp:72-78 F. Care: The Dempsey is definitely not for the community tank.While they may be kept with other fish of similar size, the Dempsey is best kept in a species tank. To provide your Jack Demp… Separate your smaller fish from your Jack. If you wait until your Jack Dempseys are mature and pair two together, you could end up with a brutalized female. Decorating cichlid aquariums always presents a challenge. These carnivores can’t resist an easy-to-catch snack. Jack Dempsey fish are sexually dimorphic, with males growing larger than females. The young fish are often “packed” into a display tank at the aquarium shop. what my question is how do i breed them? Watch for aggressiveness and remove or use an aquarium divider if necessary. The pair catch the fry and usher them to the sandpits. How do i care for the fry? So while tetras frequent the same regions in the wild, you should skip adding them to your community aquarium. Jack Dempsey cichlids are an aggressive species of fish that needs plenty of territory. 11 Perfectly Quiet Wave Makers for Great Water Flow, Introduction to Aquarium Fertilization Products, Reverse Osmosis Deionization: 5 Top Rated Filtration Units, Natural pH Control in a Freshwater Aquarium: a Practical Beginners Guide, A Comprehensive Guide to Finding the Right Chiller for Your Aquarium, Protein Skimmer: Ultimate Buying Guide plus 11 Reviews. The coloration changes as the fish matures from a light gray or tan with light turquoise flecks to a dark purple-gray with very bright, iridescent flecks of blue, green and gold. (Females have fewer spots across their bodies than males). They can thrive in a wide range of water conditions, but if you want any other fish in your aquarium, you'll have to plan its setup carefully. Ensure that their water moves decently, but not too rapidly. Fish run around $5 – $10, on average. Therefore a standard 50G tank(36x18) can house up to a 9" fish alone or with a few tank mates that will not get in its way. And they aren’t picky about where that protein comes from. Sand will settle back out when your Jack Dempsey finishes digging. First off, this very fish species should be housed in a tank with a minimum carrying capacity of about 190 liters – and maybe a bigger tank depending on the number of fish you are attempting to keep therein.The tank should have a dark sandy substrate – finely grained sand should be utilized. Your Jack Dempseys won’t bully anyone if they aren’t the biggest fish in the pond (so to speak). As an Amazon Associate we earn from qualifying purchases. Youd be hard pressed to find a male dempsey in the hobby over 10" or a female beyond 8" to be honest. 10 years ago. In the wild, males top out around 15 inches (38 cm), and the females get approximately 10 inches (25 cm). In captivity, a more reasonable expectation is to see your male Jack Dempseys around that 10-inch (25 cm) mark, with females smaller at 8 inches (20 cm). Just choose one that only grows to 6 or 7 inches max. You can ease this flighty panic by introducing your Jack Dempseys into a community aquarium with established dither fish. Ensuring plenty of cave options to allow everyone to set up a territory is another option. And you’re still better off keeping one male in a group of females to maintain the peace. [1] [2] [3] Its common name refers to its aggressive nature and strong facial features, likened to that of the famous 1920s boxer Jack Dempsey . Since you already have the tank it might be worth considering other slightly smaller. It’ll also provide another dark place for them to retreat to. These non-American populations arose from escapees (intentional or otherwise). 1. Of course, you can’t go wrong with any of the Jack Dempseys. If you get a little warmer, they won’t mind, but don’t forget the other fish in the tank. Omega One Cichlid Pellets and Fluval Bug Bites Cichlid Formula cater to a high-protein diet, and Jack Dempseys don’t mind chowing down on these large chunks. They crush and release food to feed the tiny fry until they’re large enough to swim independently. JDs need a bare minimum of 100 gallons. Jack Dempseys have generally longer bodies and long flowy fins. However, they’re hardy in nature and relatively easy to care for – beyond that mean streak. Ensuring that you allow plenty of room to grow, stay on top of diet needs, and minimize triggers for fighting among the group (if you keep a school) will boost those years toward the maximum. When breeding, these colors will intensify. 1. As such, consider using sand or fine gravel on your tank bottom. Anubias, Java Fern, and Vallisneria provide great hiding cover for them and root deep into the substrate. The pair will clean off their chosen rock by blowing the sand away. I have a male and female jack dempseys. This gives them somewhere to hide, with a territory to defend. When first added to a new tank, Jack Dempseys often scatter to caves and into plants – even if you bring home a group. In the wild, males top out around 15 inches (38 cm), and the females get approximately 10 inches (25 cm). These brutes pack a powerful combination of attitude and stunning colors. They are smaller in the wild than they are in the home aquarium They have a lifespan of 10-15 years. First of all, the tank must be large enough. How to Keep Jack Dempseys and Oscars in the Same Tank. This will ensure that you have different bloodlines. They will attack and harass tank mates that are smaller or try to eat them. They max out at 7-8 inches. Aquarists recognize the sloping profile and aggressive nature of Jack Dempseys. Two means increasing to a 100-gallon (400 l) tank. Aquarium Size : 55 gallon minimum for one Jack Dempsey, much larger for multiples. If the ammonia or nitrate goes above 0 ppm, it’ll start to impact the immune system of your Jack Dempseys. Get a Big Tank. Kingdom: Animalia 2. If breeding is your goal, you’ll want to set everyone up in the same tank from the beginning. I would recommend a tank of at least 6 feet for a. I would recommend a tank of at least 6 feet for a JD. The Jack Dempsey fish are found in slow-moving– or even still – warm water with a sandy bottom and a lot of hiding spots, and it is with this in mind that I shall now proceed to discuss the tank setup. As such, aim for a pH level of 6.0-7.0 and a hardness of 9-20 dH. These sassy cichlids have a lifespan between 8-15 years. Remember to always ask a veterinarian for help regarding all of your pets. The stress will result in your fish showing paler colors – your head’s up that there’s a problem. Like any other cichlid, Jack Dempseys enjoy digging in the substrate and rearranging all of your hard work. After three days, the eggs hatch. 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 It’s nothing personal; it’s just their way. They also sport a brighter coloration, though that may get difficult to see during spawning season (more on that in a minute). Size. Class: Actinopterygii 4. There pretty fish it's just I dont like the electric blues. So when you upgrade that tank, the JD can have the 55 to himself and grow to full size. Many aquarists think the nasty streak Jack Dempsey fish are known for means they can’t fit into community aquariums. A good rule of thumb when determining an appropriate size tank for larger cichlids is 1.5x the fish's length for the width of the tank and 4x the fish for the length of the tank. Smaller than the standard Jack Dempsey, this fish has iridescent blue scales. So if you feel up to the task and have the room, it’s worth it. Tank Size. When breeding, these colors will … A heater is essential to maintain a water temperature between 72 and 86 degrees. Usually, The Jack Dempsey fish can reach a length of up to 10-15 inches. However, getting to see two fish working together to raise their fry is a unique experience. Most of the time, the reason why breeders fail is because most of the identified fish is hand-picked and then selected to be added together usually after their sexual maturity age. Originally, Jack Dempsey fish inhabited shallow, slow-moving waters in Belize, Guatemala, Honduras, and Mexico. Jack Dempsey fish may have taken their name from a heavyweight boxer, but they’ve earned their place in aquarium popularity from their gorgeous color patterns. The minimum tank size should be 55 gallonsto satisfy each fish’s territorial instinct. Ian. Jacks can also attack each other. In Central and Southern America, you can find them in natural caves. Each lesion is a potential source for infection to invade. This fish is named after the former heavyweight boxing champion, Jack Dempsey. How about a threadfin acara? With such a variety of colors to choose from, even a little mean streak seems worth it. You want to keep that water temperature around 74-85°F (23-29°C). Youd be hard pressed to find a male dempsey in the hobby over 10" or a female beyond 8" to be honest. Male Jack Dempseys have the highest aggression levels. Of course, if the parents get stressed, they eat their fry, so make sure you keep everyone happy. However, make sure you incorporate some live, frozen, or freeze-dried protein options into the mix. This particular variety has a less aggressive reputation than its larger cousin. Do you have Jack Dempseys? Feb 14, 2020 - Explore Deverick McKenzie's board "Jack Dempsey Fish" on Pinterest. It’s an essential lesson on NEVER releasing unwanted fish into the wild. Phylum: Chordata 3. If you are planning to have 4-6 fish, do not forget to get a tank that can hold 100-120 gallons of water. Learning about Jack Dempsey Fish Care can help your fish. This will accommodate one Jack Dempsey. Cichlids are opportunistic feeders, and they have no problem snatching up your freshwater shrimp or snails. Fixing the diet will resolve the problem, as will checking to make sure your water quality hasn’t slipped. Reigning champion from 1919-1926, Dempsey had the nickname the “Manassa Mauler.”. they are about 4-6 inches each. Morphology. This leads novice aquarists to believe the fish will stay relatively small and live happily in a 10 or 20 gallon aquarium. It’s better to … Your Jack Dempseys will end up with TOO MANY options to pick a fight. Jack Dempsey Fish Size. Rough purchase size 4-5cm The Jack Dempsey is a popular freshwater fish that originates in the murky warm waters of Central America. What are the characteristics that you like about JD's? Keep a close eye on your water quality. The content of this website is not meant to be a substitute for professional medical advice. So check the fins, size, and then do a spot count. As adults, Jack Dempsey cichlids will be between 8 and 12 inches long. For a better experience, please enable JavaScript in your browser before proceeding. As the Jack Dempsey originally come from Central America, the water should be alkaline and little bit harder (dGH 18.0 – 30.0 °N ~ 321 – 535 ppm ~ 6.43 – 10.72 mEq, and pH of 7.0 – 8.5). Remember their wild cousins live in slow-moving, tropical waters, such as canals, lakes, murky rivers and swamps. But skip “cichlid sands.” They contain aragonite – a form of calcium carbonite. Originally from Yucatan peninsula, Guatemala and Honduras, the Jack Dempsey Cichlid belongs to very beautiful, but aggressive fish species. You also need to keep an eye out for two skin flukes: The flukes use an adapted mouth part to attach to the skin and gill cover of your Jack Dempsey. they are in a 55 gallon fish tank alone with sand substrate is this okay? Jack dempsey Fish Tank Size. The species has got Rocio name by the name of its describer’s wife; in Spanish “rocio” means “dew” and indicates the presence of sparklet-spots in the fish coloring.Specific name of the fish “octofasciata” comes from Latin words “octo” (eight) and “fascia” (a belt or a stripe) and it is translated as “eight-striped”.In fact the fish has definitely more than eight stripes on its body. And make sure there are flat stones at the bottom of the tank – your Jack Dempseys need them for an egg-laying site! And while it’s popular to mix invertebrates into tanks these days, they don’t work well with Jack Dempseys! A Silent & Reliable Canister Filter: Which Brand to Trust? A tank with the size of 180 x 60 x 60 cm cannot be said to be a minimum though as the tank with this size is actually better for Midas cichlid. This variety is slightly smaller and less aggressive. Here is the Omega one Cichlid pellets I mentioned. when do they become sexually mature? However, they still need top water quality and a balanced diet to prevent some nasty health problems.
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