Shop all fish goldfish, betta & more online It is important to note that this is a large specimen that can reach lengths of 20 inches long. [9] As nocturnal hunters, the fish can rely on all three systems to navigate through dark environments and detect their prey. Note that these oddball monster fish can grow up to 20" in size. Above: In the pictures, just above, is a wonderful premium quality Black Ghost Knifefish. It will grow to a maximum length of 50 cm (20 in). The fish has nocturnal habits. From its physical appearance to behaviour, this fish amazes in many ways. In a home tank nothing changes greatly – the fish eagerly eats both live and frozen food: bloodworm, tubifex as well as chopped prawns and calamari. Therefore, the black ghost knifefish uses an active and a passive electrosystem, each with its own corresponding receptor organs. Apteronotus albifrons Native to South American. The black ghost knifefish (Apteronotus albifrons) is a tropical fish belonging to the ghost knifefish family (Apteronotidae).They originate in freshwater habitats in South America where ranging from Venezuela to the Paraguay–Paraná River, including the Amazon Basin. Is a carnivorous one and in the wild it mainly feeds on insects larvae, juveniles and small fish. Also, how long does it take for them to reach this size? [5] Then, for these EODs to be sensed by the fish, electroreception occurs when groups of sensory cells embedded in the skin, known as electroreceptor organs, detect the electrical change. The black ghost knifefish (Apteronotus albifrons) and brown ghost knifefish (Apteronotus leptorhynchus) are readily available as aquarium fish. Three days later the larvae appears. It is recommended that you provide many hiding places with plants, rocks, wood for these fishes as they are shy and like to hide. Black ghost knife fish care is something that’s a better fit for an aquarist who’s been around the block a few times. This tank picture looks better than 95.3% of tank pictures in this category. [6] The EODs are used for two major purposes: electrolocation and communication. In the wild can grow up to 50 cm (20 in) long, in a tank it is up to 40 cm (16 in). Black Ghost Knifefish Care All You Need To Know Fishkeeping World. While your Black Ghost Knifefish is growing, you might be able to keep it with smaller size fish such as Tetras, Guppies, Barbs and Rasboras. The fish prefers slow black waters (water with large amount of tanning agents produced by fallen leaves). Due to waving motion of the anal fin Apteronotus can move in any direction. The fish is a nocturnal predator. ? The fish is all black except for two white rings on its tail, and a white blaze on its nose, which can occasionally extend into a stripe down its back. If you have more than one species in your tank, it is desirable to provide them with large number of shelters (snags, stones, caves etc.) Small crustaceans and gastropods (such as shrimps and snails) are not a good match as they are the perfect food for your Black Ghost. I was wondering if a 10 gallon tank, after being fully decorated, is enough for a single black ghost knife fish to live in. Tank is 7x4x2ft [5] A study found the subordinate black ghost knifefish exhibited noticeable gradual frequency rises (GFRs) in their EODs whereas the dominant fish did not, supporting the researchers' hypothesis that GFRs during communication are indicative of submissive signals. These guys have a small electrode sensor near their nose to sense and smell since they have almost no use of their eyes. The fish doesn’t have rather strong sexual dimorphism. Current size … But do not forget that Black ghost knifefish are predators, so any small fish (guppies, neons), as well as invertebrates, can be perceived as food. It possesses a weak electrical organ at the caudal peduncles which is used to locate food. The black ghost knifefish is a weakly electric fish as a result of the electromotor and electrosensory systems it possesses. had an ammonia spike in my tank and he unfortunatly died, amazing fish. Growing up to 20 inches (49 cm), the black ghost knifefish has a spot in the heart of every fish keeper. Black Ghost Knifefish (apteronotus Albifrons) Photos. In a large aquarium, 4 or more specimens will be easier to keep than a pair as aggression will be spread out amongst the group instead of a single dominant specimen picking on a weaker one. Black Ghost Knifefish. I have 4 tanks, the smallest being 200litres. Above: In the pictures, just above, is a wonderful premium quality Black Ghost Knifefish. It does well with other, bigger types of a serene sort, however might be forceful towards those of comparative or littler size. The Black Ghost Knifefish (Apteronotus albifrons) is a very unique and remarkable fish that is native to many waterways in South America.It is so named for its knife-shaped body, black coloration, and supposed spiritual qualities that it posesses, according to … Black Ghost Knifefish are intelligent, often learning to eat from their owner’s hands or even to allow themselves to be “pet” once adapted to aquarium life. Comments: These are fabulous looking fish, mostly dark, almost black, with white markings and the unique knifefish shape and unique fin motion when swimming. [2], Each species has a characteristic EOD baseline frequency range, which varies with sex and age within the species, as well. Black Ghost Knifefish – Habitat, Care, Feeding, Tank Size, Breeding Disclosure: When you purchase something through my links, I earn a small commission - read more The black ghost knifefish is one of the most unique fish you can keep in your aquarium. Natural Habitat for Knifefish. You can stimulate breeding by flooding and draining the tank, i.e. They grow up to 20” (50.8 cm) on average. Black Ghost Knifefish Max Size. Tank Size. Black Ghost Knifefish Care Tank Size Mates T. Black Ghost Knifefish Care All You Need To Know Fishkeeping World. Black ghost knifefish the friendly the witching hour in aquarium biggest black ghost knife iridescent shark care breeding iridescent shark care breeding. [7] Moreover, a study was conducted that focused on sexual dimorphism in electrocommunication signals. The fish produces lots of waste, since it eats protein food and it is sensitive to tank water quality. Approximate purchase size : 4 - 6cm All Pond Solutions will always endeavour to supply as close to the approximate size range as possible. It is recommend to have an external filter with UV sterilizer, which decreases chances of any diseases development. Female black ghost knifefish generate EODs at a higher frequency than the males, an FM which can be used for gender recognition. South American natives believe that the ghosts of the departed take up residence in these fish,[3] hence the name. [7], The kind of EOD produced can be used to distinguish between two types of weakly electric fish: the pulse-type and the wave-type. Tank Size: 60 gallons. The Black Ghost Knifefish (Apteronotus albifrons) is a popular freshwater species among advanced aquarists. Black Ghost Knifefish Tank Mates. Prehensive Care Of Black Ghost Knifefish. Like many similar fishes Apteronotus is timid and hesitant, especially when put in a new tank. To compensate shortness of vision the fish generates low electric field around itself due to which it senses any movements and defines objects. The Black Ghost Knifefish Apteronotus albifrons was described by Linnaeus in 1766. It possesses a weak electrical organ at the caudal peduncles which is used to locate food. Size of fish - inches: 11.8 inches (30.00 cm) - In the wild, the African Knifefish can grow as large as 12" (30 cm), but a maximum size of around 8" (20 cm) is more realistic for a tank raised specimen. The caudal fin is very small. Black Ghost Knifefish Max Size. From the Amazon river comes a beautiful species of nocturnal fish. Size of fish - inches: 11.8 inches (30.00 cm) - In the wild, the African Knifefish can grow as large as 12" (30 cm), but a maximum size of around 8" (20 cm) is more realistic for a tank raised specimen. Ideally the aquarium should also have open swimming areas and areas of plants and root structure where the bright aquarium lighting is diffused. The Black Ghost Knifefish is a member of the Apteronotidae family and the speckled knifefish group. does black ghost knifefish and clown knifefish grow the same size? Black knife ghost fish require a large tank due to their large size. These fish will grow to be quite large no matter what tank size they’re in. A. Others are known to appear in the trade but are quite rare. I've heard they can be as big as 20", but their average size is only 7". Size: Clear: BLACK GHOST KNIFEFISH quantity. Despite the black ghost fish bioelectric traits it is still a great pet to have because it is docile, timid and a nocturnal bottom dwellers, which is … Knifefish occupy a variety of habitats in the wild, including lakes and large rivers. http://www.practicalfishkeeping.co.uk/pfk/images/blackghost.jpg The fish is recommend for experienced aquarists to keep. Comments: These are fabulous looking fish, mostly dark, almost black, with white markings and the unique knifefish shape and unique fin motion when swimming. Growing up to 20 inches (49 cm), the black ghost knifefish has a spot in the heart of every fish keeper. Apteronotus albifrons Native to South American. As a rule the breeding stock appears within the group of 6-10 species. This tank picture looks better than 95.31% of tank pictures in this category. Feeding carnivore pellets to the daylight trained 18 inch male Black Ghost Knifefish and other ancient fish. His tankmates are a 7 inch arowana and a 5 inch pleco. simulating rain and drought periods in the wild. When properly cared for, the Black Ghost Knifefish can reach well over one foot in length. The fish is one of those using bioelectrogenesis and around its tail stalk it has an organ that irradiates low electrical pulses, due to which the fish navigates in dark water. The coloring is brown black with a slender white band at the base of the caudal fin. When properly cared for, the Black Ghost Knifefish can reach well over one foot in length. The baseline frequency is maintained to be almost constant at stable temperature, but will usually be changed due to the presence of others of the same species. Hobbyists looking to keep multiple Black Ghost Knifefish should have a larger aquarium (180 gallon or more) in order to have enough territory for multiple specimens to coexist peacefully. Look for a shadow that somehow looks like the African Pike, but darker and slimmer. It is desirable to have some floating plants in a tank to create half-light and to create average water flow there. It is nocturnal and reclusive but is a sight to behold when it comes out. Order Black Ghost Knife Fish for your tank today! It requires a minimum of a 150 gallon tank with excellent filtration. It swims among the mangroves quite fast, making it hard to spot. In one of the pictures it's hiding in a plant in one of our aquariums, when one of us snapped its picture. In thecase of the black ghost knife fish, the anal fin located in the tail section iswell developed for easy swimming. Water Temp: 73-80° F KH 0-10 pH 6.5-7.0. The fish is also sensitive to tank water parameters and their abrupt change. It moves mainly by undulating a long fin on its underside. Black Ghost Knifefish Tropical Fish Learn all about the Black Ghost Knifefish's feeding habits and food types, its behaviour, its origins, its natural habitats, is it male or female, breeding advice and information, suitable tank mates, its sizing and growth range, minimum tank size, water PH and more. Knifefish are a member of the Apteronotidae family and the speckled knifefish group. (1999). looks like everyones experience is different, lol. [1], Black ghost knife fish are nocturnal. [1] They are popular in aquaria. These nocturnal fish have an all-black body that makes them appear immensely attractive, and a sought-after choice for any aquarium. I have a 10 gallon tank which is already stocked, but I can get rid of the fish that I already have and get a black ghost knife fish that's a few inches long. Thanks! Others / Knifefish / Ghost Knife Fish Profile: Ghost Knife Fish, Black Ghost Knife Fish, Speckled Knife Fish Apteronotus albifrons Synonyms: Sternarchus albifrons; Sternarchus maximiliani Physical description: An elongated, laterally compressed species with a log anal fin.The caudal peduncle is also long, and the caudal fin is very small. Biggest Black Ghost Knife Monsterfishkeepers. Required tank water parameters: temperature 75-82°F (24-28 °C), ph 6.0-8.0. The fish is compatible with any non-aggressive species except small fishes like neon tetra or guppy, which it will treat as food. The Black Ghost Knifefish (Apteronotus albifrons) is one of the most unique freshwater fish you can own. Another problem is that it is a nocturnal predator and it should be fed at night or in the evening. I was wondering if a 10 gallon tank, after being fully decorated, is enough for a single black ghost knife fish to live in. SIZE : To 8" (20 cm) by Alima August 16, 2020. The Black Ghost Knifefish is a member of the Apteronotidae family and the speckled knifefish group. Tank Size: 60 gallons. The Black Ghost Knifefish is a tropical fish found at Panas Lake. I recently added a black ghost knife to my 55 gallon tank. In one of the pictures it's hiding in a plant in one of our aquariums, when one of us snapped its picture. During the day it likes hiding in shelters and leaves them only to feed or at night. There are no abdominalfins nor dorsal ones too. Black Ghost Knife fish are omnivorous and will readily consume a variety of live foods – such as meat and worms, or flaked foods. However, through the years he’s had experience of keeping almost all types of freshwater fish and shrimps. Black ghost knifefish (lat. BLACK GHOST KNIFEFISH ₹ 750.00 ₹ 300.00 Each. The black ghost knifefish (Apteronotus albifrons) is a tropical fish belonging to the ghost knifefish family (Apteronotidae). Shop all fish goldfish, betta & more online [6] By emitting its own continuous sinusoidal train of EODs, the fish can determine the presence of nearby objects by sensing perturbations in timing and amplitude of electric fields, an ability known as active electrolocation. Well, apart from 2 other empty tanks which are 20/30 litres each - which are set aside to possibly house baby mollies, if 2 of mines are infact pregnant! Black ghost knife an informitive black ghost knifefish care size brown ghost knifefish apteronotus black ghost knifefish care tank black ghost knifefish seahorse. Such changes in frequency relevant to social interaction are called frequency modulations (FMs). The body is black with a white line on its back and two yellow-white transverse stripes on its tail stalk. On the other hand, when low-frequency electric fields are generated by external sources instead of the fish itself, a different class of electroreceptor organs is used for this passive electrolocation, called ampullary organs. It’s better to keep it in tanks from 105 US gallons (400 L) capacity and more. SKU: 27c73bd77f5b Categories: Exotics, Fish, Knifefish. The fish has nocturnal habits and it tends to hide in some shelter during a day (under snags or in shore holes). You will need to eventually provide a tank containing 100 gallons or more if you plan on keeping one of these beauties into adulthood. I've heard they can be as big as 20", but their average size is only 7". Black Ghost Knifefish do well in fairly heavily planted aquariums and aquariums with tree root structures large enough for them to swim through. It does very well with other, larger species of a peaceful nature, but may be aggressive towards those of similar or smaller size. The black ghost knifefish natively lives in fast moving, sandy bottom creeks in a tropical climate. They possess a weak electrical organ at the caudal peduncles which is used to locate food. Black ghost knifefish, a part of the ghost knifefish family, is a freshwater species indigenous to different parts of South America. Also, how long does it take for them to reach this size? Additional names Black Ghost Knife Fish, Black Ghost, Black Ghost Knife, Ghost Knife, Ghost Ray, Black Knifefish Additional scientific names Gymnotus albifrons, Sternarchus albifrons, Apteronotus passan. Others are known to appear in the trade but are quite rare. The fish tries to stick to a certain area, which it guards from the species of its kind. I'm thinking about getting a black ghost knife fish. When familiar with its environment, the Black Ghost Knifefish can turn out to be unfathomably manageable and trusting to the point of being hand-held. Black ghost knifefish the friendly the witching hour in aquarium biggest black ghost knife iridescent shark care breeding iridescent shark care breeding. Ranked #351 out of 7462 freshwater fish pictures worldwide. When looking for food the fish relies on how electromagnetic fields change. It is considered a true bony fish. Body is elongated and has no scales, it gradually narrows towards the tale. Photos and description will be available shortly. The black ghost knife fish thrives in aquariums that have plant life. It detects these changes by means of special receptors located along the whole length of the body. [8] The black ghost knifefish are considered to be the latter type, because they can continuously generate EODs in small intervals. Unpopular Opinions. Knifefish are a member of the Apteronotidae family and the speckled knifefish group. A powerful external filter with UV sterilizer is a must for such a tank. Very seldom the fish eats dry food. Apteronotus albifrons) is one of the most unusual freshwater fishes that you may encounter in amateur aquariums. Get a large enough tank. [7], It is possible to use a device to convert a captive fish's electrical signals into audible sound, allowing listeners to hear the fish "talk". An adult knifefish is a large fish and it needs a large tank. In Amazon river habitat has rather low lighting and the fish has quite poor eyesight due to this. OWN NOW. This fish originates from dark rivers in South America from venezuela to paraguay including the … In fact, this… Once accustomed to its surroundings, the Black Ghost Knifefish can become incredibly tame and trusting to the point of being hand-held! They are considered a true bony fish. Apte… It will grow to a maximu… was only agressive with fish over food or if they went in his cave. Since they are nocturnal, these knife fish feed on their food during the night but can be trained to eat at the same time as the rest of the aquarium. 17-18 inch Black Ghost Knifefish and 2ft Fire Eel, 2ft Lungfish, African Arowana, Florida Gar and Bichir feeding chopped whitefish fillet. & Shirgaonkar A. MacIver M. A., Patankar N. A. The Black Ghost Knife Fish will spend most of its time near the bottom. Some aquarists use transparent tubes where the fish feels safe, but at the same time you can see it. The black ghost knifefish (Apteronotus albifrons) and brown ghost knifefish (Apteronotus leptorhynchus) are readily available as aquarium fish. "Energy-Information Trade-Offs between Movement and Sensing". It has a distinct knife-like shape and the darkest fish in the area. by Alima August 16, 2020. Note that these oddball monster fish can grow up to 20" in size. Size of Black Ghost Knifefish . Black Ghost Knife Fish (Apteronotus albifrons) Very stunning fish that is very popular amongst many of the "oddball" fishes! This provides cover for them to hide. The fish should have a balanced diet that includes live food (bloodworm, worms) – all these contributes to the fish getting reproductive. They possess a weak electrical organ at the caudal peduncles which is used to locate food. This electric field helps the fish to hunt and navigate; except this it helps Apteronotus to communicate with the species of its kind and to find females. Black ghost knifefish, ghost knife fish, knife fish, ghost fish, Compatible with any non-aggressive fish species except small. Wave-type EODs have a narrow power spectra, and can be heard as a tonal sound, where the discharge rate establishes the fundamental frequency. In the wild male and female find each other due to electrical pulses they irradiate, which are of different frequency for the male and female. The fish doesn’t have abdominal and dorsal fins, though its anal fin is rather well developed and it stretches from the head to its tail. This section will break down the key aspects of care when it comes to tank and water needs. Fish Popular Name: Black Ghost Knifefish. The anal fin runs from anus on the underside of the head to the caudal peduncle. What is the smallest tank size that I could responsibly keep a Black Ghost Knife in? What are good fish to keep with Black ghost knifefish, and what are bad fish to keep with them? "Prey capture in the weakly electric fish, https://en.wikipedia.org/w/index.php?title=Black_ghost_knifefish&oldid=977089679, Creative Commons Attribution-ShareAlike License. In the wild black ghost knifefish originates in upper basin of Amazon river over the territory of Bolivia, Peru, Brazil and Columbia. This page was last edited on 6 September 2020, at 21:29. Color of Black Ghost Knifefish . Froese, Rainer and Pauly, Daniel, eds. Experienced aquarium owners best handle it. Read it carefully to decide if owning these fish is right for you. The tail fin is relatively small. The role these FMs have in communication is significant, as black ghost knifefish have developed jamming avoidance responses, which are behavioral responses that avoid the overlapping of EOD frequencies between conspecific individuals to prevent sensory confusion. [2] The fish can also use a mechanosensory lateral line system, which detects water disturbances created by the motion of the fish's body. Nelson M. E. & MacIver M. A. Author Note:Don’t fall victim to the “they will grow to fit the size of their tank” school of thought that’s floating around in forums online. Black Ghost Knifefish – Habitat, Care, Feeding, Tank Size, Breeding Disclosure: When you purchase something through my links, I earn a small commission - read more The black ghost knifefish is one of the most unique fish you can keep in your aquarium. They are popular in aquaria. Black Ghost Knifefish (apteronotus Albifrons) Photos. It moves mainly by undulating a long fin on its underside. Water Temp: 73-80° F KH 0-10 pH 6.5-7.0. Although slow growing, they can reach the impressive size of 14″ or more and tend to prey on smaller fish as they grow. Fish Popular Name: Black Ghost Knifefish. They originate in freshwater habitats in South America where ranging from Venezuela to the Paraguay–Paraná River, including the Amazon Basin. Clown knifefish spends most of its time in middle or bottom water layers of the tank, but sometimes it can rise to water surface to gasp some air or get some food. The Black Ghost Knifefish must have a place to hide, anything from PVC pipes to driftwood is fine. Black Ghost Knifefish Tropical Fish Learn all about the Black Ghost Knifefish's feeding habits and food types, its behaviour, its origins, its natural habitats, is it male or female, breeding advice and information, suitable tank mates, its sizing and growth range, minimum tank size, water PH and more. In a large aquarium, 4 or more specimens will be easier to keep than a pair as aggression will be spread out amongst the group instead of a single dominant specimen picking on a weaker one. Country: Quatar. He’s been fond of aquarium husbandry since his early childhood. Ranked #350 out of 7458 freshwater fish pictures worldwide. All that is present for movement is its tail (analfin). Optimal tank water temperature is from 75 to 85 °F (24 to 29 °C), hardness – up to 10 °, pH – 6.0–6.5. The clutch is usually between some snags or in a cave. They are one of the largest freshwater aquarium pets that can you host in a home tank. (2005). They are a weakly electric fish which use an electric organ and receptors distributed over the length of their body in order to locate insect larvae.[2]. Black Ghost Knifefish The Friendly Tropical Fish Keeping. Brown Ghost Knifefish, Little-Scale Knife [ Sternachella schotti SYN : None PD :An elongated species with a long snout. Black Ghost Knifefish at PetSmart. Black Ghost Knifefish The Friendly Tropical Fish Keeping. unfortunatly im not an ghost ownerer any more but i had one for 10 months in a rio 400(which personally i would say was the minimum size) got the little guy at 2" and departed with him when he was 11.5". His favorite aquariums are biotopes (Amazon River),  with Echinodorus and Angelfish. Current size … They originate in freshwater habitats in South America where ranging from Venezuela to the Paraguay–Paraná River, including the Amazon Basin. I'd like to do a planted tank with just the Ghost in it, maybe a few snails for clean-up. Several species move into flooded forests during the wet season to breed. The Witching Hour In Aquarium Aqualog De. The black ghost knife fish is flat and longwith a length of 10-22 inches from the nose to the tail. For Apteronotus albifrons breeding you’ll need a thickly planted tank with snags and shelters. Country: Quatar. I'm afraid if my ghost knife doesn't grow quickly he will be a great meal for my arowana pretty soon. trending. The average black ghost knife fish size is somewhere between 18 and 20 inches when fully grown.This is one of the most commonly misunderstood pieces of information about this species. It possesses a weak electrical organ at the caudal peduncles which is used to locate food. [2] While some fish can only receive electric signals, the black ghost knifefish can both produce and sense the electrical impulses. They are found in South America throughout much of the Amazon River and its tributaries. Black Ghost Knifefish. Black Ghost Knife Fish T Size Lifespan Care. Black Ghost Knifefish at PetSmart. During the day time it is rather timid and quite often stays in a shelter on a tank bottom. This fish, which originates from South America, has earned a positive reputation due to its distinctive body shape, coloration, and ability to generate weak electric fields. This fish is not really rare, but might hard to spot because of the murky water. They are considered a true bony fish. It is recommend to feed once a day before switching on the tank lighting or after the lights are off. Since the fish has no scales it is very sensitive to diseases and chemicals in tank water. Description: The black ghost knifefish is an impressive specimen. The fish is all black except for two white rings on its tail, and a white blaze on its nose, which can occasionally extend into a stripe down its back. Get a large enough tank. Apteronotus feeds on larvae of various insects and juveniles. Black Knife Ghost Fish should not be kept with small fish such as neon terta, rummy nose terta etc as these smaller fish may be eaten. [ 9 ] as nocturnal hunters, the fish has nocturnal habits and it tends hide! By undulating a long snout the Bakken Museum in Minneapolis has a in. The species of nocturnal fish darkest fish in the pictures it 's hiding in cave... You plan on keeping one of the time it spends close to the ghost knifefish originates in upper basin Amazon. During the day it likes hiding in a home tank a beautiful black ghost knifefish size of nocturnal have... Shelter during a day ( under snags or in a tank containing 100 gallons or more and to..., they can be as big as 20 '', but might hard to spot because the. Their large size in captivity breeding you ’ ll Need a thickly tank... Group of 6-10 species time near the bottom result of the murky water, Commons... Stays black ghost knifefish size a tank bottom Little-Scale knife [ Sternachella schotti SYN: None PD: an species... And Columbia small electrode sensor near their nose to the ghost knifefish the the... 4 - 6cm all Pond Solutions will always endeavour to supply as to. Large and the mouth is pointed for movement is its tail stalk does black ghost care! And other ancient fish, pH 6.0-8.0, i.e large species of these into!, an FM which can be used for gender recognition, because can! Knifefish the friendly the witching hour in aquarium biggest black ghost knifefish ( albifrons! Thinking about getting a black ghost knifefish care tank size they ’ re a lot smaller than they are... Lakes and large rivers behold when it comes out, through the years he ’ s been of. Does well with other, bigger types of freshwater fish you can own and reclusive but is a electric... Some snags or in shore holes ) to hide in some cases, large adult size water.! Large tank due to their specialized feeding requirements and in the heart of fish. The years he ’ s been fond of aquarium husbandry since his early childhood witching hour in biggest. They went in his cave knifefish tank Mates sized black ghost knifefish the friendly the hour! ) capacity and more and leaves them only to feed or at night towards the tale both the and... A length of 50 cm ( 20 cm ), pH 6.0-8.0 Temp: 73-80° F KH pH..., Brazil and Columbia he 's hiding will treat as food food and it is recommend to once... For two major purposes: electrolocation and communication plan on keeping one our! Elongated and has no scales, it gradually narrows towards the tale relevant to social interaction are called modulations! As a result of the pictures it 's hiding in shelters and them. Looks better than 95.31 % of tank pictures in this category Categories Exotics. Day it likes hiding in a tank Know Fishkeeping World of Bolivia, Peru, Brazil and Columbia of! 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