I live in Indiana (Indianapolis area). I've got a 125 gal. tank. I have 2 med. sized Oscars. I am interested in the elec. Blue Jack Dempseys. I'd like to buy one or 2 large ones. Does anybody know where I can buy large ones either in a pet store or online? Thanks! Kent Robinson
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The Redtail Botia Yasuhikotakia modesta is a very common freshwater loach and is quite attractive with a very distinct body shape and coloration. It has a compact heavy body build, but can get quite large. It can reach up to at least 10 inches (25 cm) in length in the wild, though in the aquarium they are a bit smaller, getting up to about 7 - 8 inches (17-20 cm).
The natural coloring of this loach is most attractive and quite variable. It ranges from blues to grays and sometime tints of green with fins and a tail that can be yellow, red, or orange. As juveniles they can have more intense green accenting as well as some dark stripes. With this variable coloration its not surprising that the Redtail Botia has a number of descriptive common names. It is also known as the Blue Botia, Orange-Finned Loach, Blue Loach, and other variations of these.
This pretty loach can retain its beauty with regular water changes and by including brine shrimp or other crustaceans in its diet. There are also dyed varieties that will occasionally be offered that are called Painted Botias or Colored Redtail Botias. They can be pink, green, yellow, orange, purple, or teal in coloring. These colorized fish are not recommended as they are said to have health problems and often early deaths.
These fish have a unique personality being lively yet somewhat shy, and they can be a bit aggressive. If they are kept in a school however, they make a good community fish with larger more robust tank mates. Keep them with at least four of their own species or they can get aggressive towards other fish even while demonstrating shy behaviors (hiding). Suitable tank mates include large gouramis, barbs, semi-aggressive cichlids and most other loach species. They can be aggressive with smaller fish and will nip at long-finned fish, such as angelfish. They can be quite territorial bottom dwellers as well, so it is best to avoid competing fish such as Corydoras and catfish.
The Redtail Botia or Orange-Finned Loach is a long lived, durable, and undemanding fish. Provide lots of hiding and resting places in caves, rocks, and roots. A refuge for each fish is important. They thrive in a well planted tank but are avid burrowers in their pursuit for food, and will often uproot them. They will munch on snails and are good for snail control. This is one of the loaches that has the unique intestine that can act as a respiratory organ allowing them to absorb oxygen at the surface directly from the atmosphere. Be sure the aquarium is covered as they are great jumpers. They also make audible clicking sounds.
The Redtail Botia Yasuhikotakia modesta, (previously Botia modesta) was described by Bleeker in 1864. They are found in northeastern India; Thailand, Vietnam, Cambodia, and the Malaysian peninsula. This species is listed on the IUCN Red List as least concern (LC) because it has a wide distribution and although it is heavily utilized in the aquarium trade, no major threats are identified at present.
Other common names they are known by include Blue Botia, Orange-Finned Loach, Redtail Loach, Blue Loach, Orange Fin Loach, and Painted Botia. It has also been known by the common name Red-finned Loach, which was actually ascribed to its relative with a similar appearance, the Silver Loach or Red-Finned LoachYasuhikotakia lecontei. These two fish were often confused, so this common name is now being used much less often for either of these species.
They are found in large rivers with muddy bottoms and in flooded fields. These loaches are a strongly migratory species. The loaches in the Khone Falls of the Mekong basin will migrate during the flooding season to spawn into tributaries and small streams and return when the waters recede. This loach feeds at night on worms, crustaceans and insects.
Scientific Name: Yasuhikotakia modesta
Social Grouping: Groups
IUCN Red List: LC - Least Concern
The Redtail Botia is a rather stocky loach that can reach almost 10" (25 cm) in nature, though often a bit smaller in the aquarium at about 7 - 8" (17 - 20 cm). Their life span is generally about 5 - 12 years. Its coloring is quite variable ranging from a bluish to grayish body, sometimes with a slight green tint. There is a dark vertical stripe at the base of the tail, though it is often rather indistinct. The fins are a bright orange to red color. As juveniles they can be an iridescent green marked with several narrow dark bars.
The Painted Botia or Colored Redtail Botia is sometimes available to hobbyists. However obtaining dyed specimens of the Redtail Botia is not recommended. These fish are dyed a pink, green, yellow, orange, purple, or teal coloring; often having a blotchy appearance. It is reported that this is done by injecting dye under the skin and it will fade in a few months. These colorized fish are said to have health problems and often early deaths.
Size of fish - inches: 9.8 inches (24.99 cm) - These fish reach up to about 7 - 8" (17.8 - 20 cm) in the aquarium though In the wild these fish can reach almost 10" (25 cm).
Lifespan: 12 years - This fish can have a lifespan of about 5 - 12 years.
Fish Keeping Difficulty
This loach can be hardy under the right conditions. They are not recommended for beginners because of their need for pristine water and having small body scales. Reduced scales makes them more prone to disease and very sensitive to medications used to treat disease. Experience in treating scaleless fish is very important to be able to give your loach a healthy and long life. Do not try to introduce these fish into biologically immature tanks.
Aquarium Hardiness: Moderately hardy
Aquarist Experience Level: Intermediate
Foods and Feeding
In nature their main diet consists of worms, crustaceans and insects. However since they are omnivorous, the Redtail Botia or Orange-Finned Loach is not a picky eater. They will generally eat all kinds of live foods, sinking pelleted and tablet foods, flakes, and algae. They like frozen foods as well.
To keep a good balance give them a high quality flake or tablet food everyday. Feed mosquito larvae and brine shrimp (either live or frozen), tubifex, daphnia, and some vegetable foods such as algae wafers. They will also eat snails, so are good for snail control.
Diet Type: Omnivore
Flake Food: Yes
Tablet Pellet: Yes
Live foods (fishes, shrimps, worms): Some of Diet
Vegetable Food: Some of Diet
Meaty Food: Most of Diet
Feeding Frequency: Several feedings per day
The most important thing for these loaches is that they always have clean and well-oxygenated water. Frequent water changes of about 30% a week are needed for the Redtail Botia. With your weekly water change make sure to vacuum the gravel to remove all excess food and waste, but It's best not to remove any bio film on rocks and decor. A magnet algae cleaner normally does a great job in keeping the viewing pane clear.
Water Changes: Weekly - Water changes of about 30% weekly.
The Redtail Botia will swim mostly on the bottom of the aquarium, but will also swim in the middle of the aquarium. Never introduce this loach into a biological immature setup as these fish require pristine water. This fish needs a larger aquarium of 45-55 gallons when young and up to 75 gallons as adults. They do best in a soft to medium water with subdued lighting. They also need good water movement that provides plenty of oxygenation. The tank water should turnover at least 10-15 times per hour. An undergravel filter is a great choice for these fish as it creates high oxygen through out the tank as well as reducing the waste. Adding a canister filter or power head to the setup will make the proper current for this loach.
It is recommended to have a tank set-up that resembles its natural habitat with plants, open areas to swim, and places for retreat. Because they are burrowers, the substrate needs to be a fine gravel or sand that does not have sharp edges. The tank needs to have ample hiding places for this shy fish such as rocks, caves, and roots to give it some dark areas to retreat. Be sure to provide hardy plants with the roots protected and have decorations firmly placed on the glass bottom so they don't fall over. Plastic tubes also make safe and excellent hiding places. These fish can and will jump out of the tank if given the chance so make sure to have a tight fitting cover.
Minimum Tank Size: 55 gal (208 L) - Juveniles will be fine in a 45 - 55 gallon tank, but adults will need up to 75 gallons.
Suitable for Nano Tank: No
Substrate Type: Sand/Gravel Mix
Lighting Needs: Low - subdued lighting
Temperature: 77.0 to 84.0° F (25.0 to 28.9° C)
Range ph: 6.5-8.0
Hardness Range: 2 - 15 dGH
Water Movement: Moderate
Water Region: Bottom - These fish are mostly bottom dwellers, but will occasionally swim in the middle of the aquarium.
They are a timid nocturnal fish getting quite active at night, but they can be aggressive with tank mates.They are best in a community aquarium with other large, robust, and mildly aggressive fish. They need to be kept in schools (with a minimum of four) to feel comfortable and come out of hiding, as well as to reduce aggression towards their other tank mates.
Especially suitable tank mates are gouramis, barbs, semi-aggressive cichlids and most other loach species. Avoid smaller fish and fish with flowing fins such as angelfish. They should not be kept with slow swimming long finned tank mates. Because they are boisterous in nature so monitor other bottom dwelling tank mates. It's best to avoid competing fish like Corydoras and catfish. Once acclimated they are quite active and lively.
Same species - conspecifics: Yes - Best kept in groups of 4 or more.
Peaceful fish (): Threat
Semi-Aggressive (): Safe - Mostly safe, but they can be aggressive to other bottom dwelling fish.
Aggressive (): Threat
Aggressive (): Threat
Large Semi-Aggressive (): Monitor
Large Aggressive, Predatory (): Monitor
Slow Swimmers & Eaters (): Monitor - May nip at long-finned slow swimming fish.
Shrimps, Crabs, Snails: May be aggressive - They will eat snails, so are good for snail control.
Sex: Sexual differences
Mature males are smaller and more slender than mature females.
Breeding / Reproduction
The Redtail Botia or Orange-Finned Loach have not yet been bred in the aquarium and they are not yet bred commercially.
Ease of Breeding: Unknown - Have not been bred commercially.
Loaches are more susceptible to disease than other aquarium fishes. This may have to do with the faint body scales and no head scales. So take caution when introducing these fish to an established tank. They are also very sensitive to different medications used to treat many diseases; a separate hospital tank is needed. Cold water and condition changes can also cause stress to this fish which makes them even more prone to disease.
Most common disease that affects this loach is Ich. Ich is short for Ichthyophthirius, also known as "white spot disease". It is a parasite that can attack nearly all aquarium fishes, but you'll find that loaches are often the first to be attacked. Take great care in treating ick as loaches are very sensitive to the medications used to treat it. Often the dose is half of what is normally used.
The second most common thing that affects loaches is a thing called skinny disease. This can be diagnosed fairly easily. If your loaches are eating a nitrous and healthy amounts and still seems to loose weight it is a good chance it has skinny disease. This is caused by internal parasites and can be treated with medication if used carefully.
An outbreak of disease can often be limited to just one or a few fishes if you deal with it at an early stage. When keeping these sensitive types of fish, it is common to catch deteriorating water conditions and disease before other fish are affected. The best way to proactively prevent disease is to give your Redtail Botia the proper environment and give them a well balanced diet. The closer to their natural habitat the less stress the fish will have, making them healthier and happy. A stressed fish will is more likely to acquire disease.
Anything you add to your tank can bring disease to your tank. Not only other fish but plants, substrate, and decorations can harbor bacteria. Take great care and make sure to properly clean or quarantine anything that you add to an established tank so not to upset the balance. It is recommended to read up on the common tank diseases. Knowing the signs and catching and treating them early makes a huge difference. For information about freshwater fish diseases and illnesses, see Aquarium Fish Diseases and Treatments.
The Redtail Botia or Orange-Finned Loach is readily available at pet stores and online. Occasionally the Painted Botia or Colored Redtail Botia may be offered for sale, but purchasing these dyed fish in not recommended. They are injected with dyes under the skin, often giving them a blotchy appearance. The coloring usually fades in a few months and these fish are reported to have more health problems than normal Redtail Botia.
Tony Holmes - 2014-03-21 I have 2 red tail botias in with my African Chiclids. They hold their own so they don't get messed with too much. But I noticed them shimmy and shaking today and one keeps rolling over on its side when it's next to the other one. I read they haven't bred in captivity yet so I'm not sure what all that's about.
Andrew Wallace - 2012-07-22 I have 9 - 5 ' Redtail Botia's ?, that seem to be doing a breeding dance . The Dominent male does this wierd shake beside 3 of the ? females. I have them in a 175 gallon tank. They are very happy full of energy fish, but this dance just started today, It really is interesting!!! I wish I had a tripod to tape?. Any one ever have these loaches breed?, or Please do U think this is a matting dance ?. Thanks
Andrew Wallace - 2012-07-22 Also I have in the tank , other fish !!! I have 6-4-6 ' parrot fish, 2 red spooted orange severns 6', 1-5' clown loach, a 4' datinoid, and a 5' lemon Oscar, If they keep this dance up, I will remove any harmfull fish , Anyone ????Thanks ????
Charlie Roche - 2012-07-22 Here is a link on U tube for the skunk botia breeding - I would assume that the Redtails would be a similar dance. Music is good. You can watch and determine if courting behavior.
Dillon - 2011-10-30 I love these guys! I got 3 of them about 2weeks ago. idk if mine are just special or what but I have lots of bottom feeders and they arent agressive at all. Really cool fish. I reccomend them
Alex Burleson - 2011-10-30 Redtail Botia are a personal favorite of mine! They are interesting little bottom feeders! Some are semi aggressive, while others are not. Fish, are individuals, such as humans.
david - 2011-06-12 Could I keep a Clown Knifefish in a 55 gallon aquarium? The tank will have subdued lighting and be lightly planted with cryptocorne, Java Fern and Java Moss. There will be numerous hiding places created by bogwood and rocks. I would also like to add a Red-tailed Black Shark, among other Southeast Asian fish. Would this work out?
Charlie Roche - 2011-06-13 It doesn't sound like a real good idea. The shark fish tail would eaily fit into the Knifefish mouth and the Knifefish can grow to 11 pounds. Clownfish are the quieter of the two and usually don't cause problems but will eat anything they can fit in their mouth. But the sharks are agressive and could tease or want territory and there would be the problem.