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Male and female Fire Eels are difficult to differentiate, except during mating season, when the males get brighter and the pregnant females get thicker. JavaScript is disabled. Although it is not a true eel, it shares the snake-ish appearance of eels and is one of the larger aquarium inhabitants. Ensuring at least 2 inches of fine sand will give them sufficient space to dig in the sand. All Rights Reserved. As the oxygen level within the structure is depleted, the fire decays, the heat release from the fire decreases and as a result the temperature decreases. A .gov website belongs to an official government organization in the United States. A Bayesian model was applied to 338 individual growth trajectories of maturing migration-stage female silver eels from France, Ireland, the Netherlands and Hungary. The results clearly showed that when growth rates declined, the onset of maturation was triggered, and the eels left their growth habitats and migrated to the spawning area. In their natural habitat, however, Fire Eels grow to 3.3 feet (about 1 meter) and live twice as long about 20 years! Hopefully, one part of plumbing will be done by July 4th. Windows: Fire Behavior in a Structure (Ventilation limited) Thats the reason they need more tank sizes to meander. They are a kind of elongated fish with a very distinctive, pointed snout and an underslung jaw. I feed him as much as he'll take. Many common freshwater diseases that can affect your other fish can also affect your Fire Eel. It is said they they'll get 1.8' in the aquarium and almost 4' in the wild. This pretty-looking Fire eel can be a showoff factor for your aquarium if you have one at your home. Although Fire Eels are omnivores, they go after meaty sources of protein first. One is that it is difficult to recreate the water conditions that the eels have in their natural habitat; the other is that even with a very large home aquarium, there is not enough room for that kind of growth. The key is that oxygen is available to mix with the heated gases (fuel) to enable the completion of the fire triangle and the generation of energy. Metabolic byproducts as well as food leftovers have to be removed as fast as possible. If you can recreate some mud-like conditions in your tank, Fire Eels will be content.Its unfortunate that Fire Eels in the home aquarium have a much shorter lifespan than Fire Eels that live in the wild. Make sure to keep their tank clean by performing regular water changes and using a quality filter. The color intensity of the spots varies depending of the age and tank conditions. I work at a LFS and i was lucky enough to have the chance to scope out a few fire eels, recently i purchased one of the fine guys and have him in a 55g with lots of cover, live plants, caves, etc and he has settled in great, not timid at all. sorry but i am with cfc on this i have a tyre track and he is taking ages to grow dont get me wrong you can see him growing but its slow. Jobsworth of the Year Goes To.an Idiot. my fire eel was in a 40 gal for a year and went from about 5 inches to 10 then i put it in a 55 by its self and is now 2 foot after 2.5 years in thata tank its getin a 75 by itself as soon as it cycles. Fire Eel are huge specimens, so youll need a larger-than-normal tank to accommodate them, but they do bring a distinct vibe to your aquarium, so if you have the room to house one, you might find it worth the space invested. Because they are nocturnal, lighting should be dim, so the floating plants will help filter out bright light.In addition to large driftwood and rocks, you could turn a flower pot on its side; your Fire Eel will happily seek refuge inside.Advertisementsif(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'fishkeepingworld_com-large-mobile-banner-1','ezslot_10',115,'0','0'])};__ez_fad_position('div-gpt-ad-fishkeepingworld_com-large-mobile-banner-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'fishkeepingworld_com-large-mobile-banner-1','ezslot_11',115,'0','1'])};__ez_fad_position('div-gpt-ad-fishkeepingworld_com-large-mobile-banner-1-0_1');.large-mobile-banner-1-multi-115{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:50px;padding-bottom:10px!important;padding-top:10px!important;text-align:center!important}You also want to make sure that your tank has a tight-fitting lid since the Fire Eel is a bit of a Houdini and might very well escape if the lid is loose or absent.Fire Eels need constant water flow that is well oxygenated. In this case the fire starts in a structure which has the doors and windows closed. Mostly found in SouthEast Asian regions, this predatory freshwater fish is getting endangered due to overfishing and trading for food. Other things that will lead to a stress-free life for your Fire Eel include: Its unfortunate that Fire Eels in the home aquarium have a much shorter lifespan than Fire Eels that live in the wild. When being caught the fish tries to escape as fast as possible and it may hurt the one who is holding it with its spines. Just got what I think is a Fite eel.Came in to a fish store with some kulli loaches. Because the Fire Eel grows to be so large, you will need an 80-gallon tank at a minimum, or about 350 liters. The prob is he will only eat ONE BRAND of mysis and nothing else. Flashover is the transition phase in the development of a contained fire in which surfaces exposed to the thermal radiation, from fire gases in excess of 600 C, reach ignition temperature more or less simultaneously and fire spreads rapidly through the space. Infections are often caused by rough substrate; Fire Eels spend so much time around the substrate that large grains can scratch them. The tank should contain bedrocks and aquatic plants. Do regular tests to make certain that the water parameters are at the recommended levels so that your Fire Eel can thrive. It is about 21 to 23 inches long. Leave a comment about what you love about Fire EelsAdvertisementsif(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fishkeepingworld_com-mobile-leaderboard-2','ezslot_21',137,'0','0'])};__ez_fad_position('div-gpt-ad-fishkeepingworld_com-mobile-leaderboard-2-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fishkeepingworld_com-mobile-leaderboard-2','ezslot_22',137,'0','1'])};__ez_fad_position('div-gpt-ad-fishkeepingworld_com-mobile-leaderboard-2-0_1');.mobile-leaderboard-2-multi-137{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding-bottom:10px!important;padding-top:10px!important;text-align:center!important}Related ArticlesFreshwater FishPygmy Cory: Size, Tank Mates, Care and MoreDecember 2, 2019 RobertFreshwater FishLemon Tetra Care Guide & ProfileOctober 14, 2021 RobertFreshwater FishRosy Barb: Tank Setup, Care Guide, Breeding And MoreNovember 12, 2019 RobertFreshwater FishFreshwater Aquarium Eel: A-Z Best Types Of EelsOctober 22, 2019 RobertSaltwater FishPipefish Care, Diet, Habitat, and Species GuideSeptember 23, 2017 RobertFreshwater FishThe Complete Guide to Snowball Pleco CareFebruary 19, 2021 Robert. One-striped peacock spiny eel growth & feeding 4/15/12 Hello, About 8 months ago I bought a one striped peacock eel (Macrognathus aral). You must log in or register to reply here. How long does it take to cycle a Fire Eel tank? All information, content, materials on this site, or obtained from a website to which the site is linked are provided to you as is without warranty of any kind either express or implied. Second, you will need a lot of space for both the regular tank and the breeding tank.Finally, its difficult to recreate the environment in the wild necessary for spawning, and, therefore, attempts to breed are likely to be fruitless.During breeding, the male chases the female until he catches her, at which point he squeezes 700 to 1000 eggs out of her. #11. Convection is heat transfer by the movement of liquids or gasses. Because they are nocturnal, lighting should be dim, so the floating plants will help filter out bright light. Any strong opinions on the ethics of long-fin varieties of fish? References:1 Klinghoffer, Max, M.D., Triage Emergency Care Handbook, Technomic Publishing Company, Inc., Lancaster, PA, 1985. Ideally, while breeding a male chases the female until he catches her and extracts 700 to 1000 eggs from her. Any questions, just ask! He is also a proud member of the, Fishkeeping Worlds 4-in-1 Bundle Set eBook. The male is more brightly colored and is a little thinner. How long does it take these fish. These species are all from Asia but there are some members of the family from . We are a family friendly community with an incredible resource of information for fish owners and enthusiast alike. So, they prefer to be fed in the dark and only a couple of times a week and wont have more than that itself. Marked below-average growth rates were observed in 2010-2011, and above-average growth was detected in 2016-2018. This bottom-dwelling fish is mainly encountered in slow muddy rivers and lakes, since one of its favorite activities is to bury itself in the riverbed. In other words, the fire growth is not limited by a lack of oxygen. The best care Fire Eels would get is providing them with almost the same conditions they used to get in freshwater habitats. Fire Eels grow quickly, so dont expect to be able to start out with a smaller tank and then upgradethey need the space immediately.Advertisementsif(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'fishkeepingworld_com-leader-1','ezslot_8',156,'0','0'])};__ez_fad_position('div-gpt-ad-fishkeepingworld_com-leader-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'fishkeepingworld_com-leader-1','ezslot_9',156,'0','1'])};__ez_fad_position('div-gpt-ad-fishkeepingworld_com-leader-1-0_1');.leader-1-multi-156{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:50px;padding-bottom:10px!important;padding-top:10px!important;text-align:center!important}For optimal quality of life, it is best to recreate the conditions that Fire Eels have in the wild. #1. Fire eel (Mastacembelus erythrotaenia) resembles a true eel, thats why the fish got its name. Fire eel has no abdominal fins. Average normal human oral/body temperature 1, Typical body core temperature for a working fire fighter2, Human body core temperature that may cause death 3, Human skin temperature when pain is felt 4, Human skin temperature causing a first degree burn injury 4, Hot water causes a scald burn injury with 30 s exposure 5, Human skin temperature with blistering and second degree burn injury 4, Temperature when burned human tissue becomes numb 4, Human skin temperature at which tissue is instantly destroyed 4, Temperature when water boils and produces steam 6, Temperature when charring of natural cotton begins, Modern synthetic protective clothing fabrics begin to char 7, Temperature of gases at the beginning of room flashover 8, Temperature inside a room undergoing flashover 8. Temperature is measured in degrees Farenheit (melting point of ice = 32 F, boiling point of water = 212 F) or degrees Celsius (melting point of ice = 0 C, boiling point of water = 100 C). To breed this predator fish in captivity you will need a tank (of 400 liters and more capacity) with a ceramic tube in it or a net stretched over the tank bottom. What should be the size of a tank for Fire Eels? Over the last year one has grown to 18" and doubled his girth. This study identified a remarkable pattern of the increasing growth rate of whitespotted conger over the last 9 years. Fire eel appearance is like the one of eel. However, young fishermen and aquarists dont share this attitude because of troubles fire eel gave them with its spines on the dorsal fin. You should use some special hormonal injections, but even after this it doesnt guarantee that you achieve the anticipated results. Their ideal parameters are: Fire Eels require a minimum tank size of at least 80 gallons, about 350 liters. Again, plentiful hiding places are a must for Fire Eels, and you should avoid rooted plants, opting instead for floating plants that they can not dig up. Read on to see if the Fire Eel is the right fish for you! What should be the size of a tank for Fire Eels? I just wanna share, I bought a fire eel about 3 months ago and he was around 6-7 inches. Putting them together will endanger the Fire Eels and create a stressful aquarium environment that will be detrimental to all the aquarium inhabitants.DietIn their natural habitat in Southeast Asian rivers, Fire Eels prey on small crabs, insect larvae, snails, and worms. Fish of the Month, Pet of the Month and more! The color intensity of the spots varies depending of the age and tank conditions. You will need large pieces of driftwood, larger rocks, or maybe some PVC pipe to give these guys appropriate hiding space. As a rule anal, dorsal and pectoral fins have red edges. Keeping them away from other Fire Eels. Fish room is getting closer, slowly but surely. Dec 22, 2005 2,285 22 68 42 NorthernCalifornia. Fire eel is a very challenging species to breed in captivity, so it is quite a troublesome thing to do. It is important to note that heat is always transferred from the hotter object to the cooler object - heat energy transferred to and object increases the object's temperature, and heat energy transferred from and object decreases the object's temperature. All Rights Reserved. Moreover, there is no point in it, since it is very difficult to obtain the fish eggs. unforntially the brand he eats is the most expensive. You are using an out of date browser. At the end of this long nose appendage there are two tubulated nostrils. The fire eel is a freshwater fish that belongs to the same family as tire track eels and peacock eels. Heat Energy is a form of energy characterized by vibration of molecules and capable of initiating and supporting chemical changes and changes of state (NFPA 921). For Jean, his class growth rates are doubled due to Expertise. Muddy the waters. In general through the whole spawning period the female lays from 700 to 1000 eggs. I feed him as much as he'll take. But my main question is what is the growth rate of fire eels? Fire Eel. I have 180 gallon African Cichlid tank. Scientific name Mastacembelus Erythrotaenia. The fish has big eyes. This is the most dangerous stage of fire development. The tank capacity must be at least 300-350 liters for the eels to live comfortably. Bacterial diseases often become a problem for your Fire Eels; they are quite common for all spiny eels like these. The Kuhli loaches are one of the smallest freshwater Eels and grow up to 4 inches. It usually takes six to eight weeks to cycle a Fire Eel tank and balance the ammonia and nitrate levels in a satisfactory manner. Its truly an unforgettable look.If you happen to be enjoying a view of your tank during the day and see a long nose and huge eyes sticking out of the substrate, thats just your Fire Eel doing some daytime burrowing.Advertisementsif(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'fishkeepingworld_com-banner-1','ezslot_3',145,'0','0'])};__ez_fad_position('div-gpt-ad-fishkeepingworld_com-banner-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'fishkeepingworld_com-banner-1','ezslot_4',145,'0','1'])};__ez_fad_position('div-gpt-ad-fishkeepingworld_com-banner-1-0_1');.banner-1-multi-145{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:50px;padding-bottom:10px!important;padding-top:10px!important;text-align:center!important}AppearanceCovered with scales, the Fire Eels long, snakelike body is dark brown with 4 stripes placed laterally. Its a relatively large species associated with spiny eel. even more because a 1-3" a month could also be a silver's growth rate.. i might have misread the post though.. i'll post the link when i find the thread.. Koji Piranha. So, if a fire eel has bitten you, hurry up and apply some antiseptic to the wound. This change in ventilation can result in a rapid increase in fire growth potentially leading to a flashover (fully developed compartment fire) condition. The female, on the other hand, has a dull hue and is larger. However, if youre up to the challenge, they can be a rewarding addition to your community aquarium, and when they come out of hiding at night, they surely stand out in the tank.Is Fire Eel your favorite big fish? This fire eel is a nocturnal one. GH should range from 6 to 12. This site was created to provide accurate and reliable information about the Fire Emblem series. Fire Eels are ray-finned fish of an order of Anguilliforme species having a predatory nature. An attempt is made to review the state of the art for predictive methods. For a better experience, please enable JavaScript in your browser before proceeding. During the day it hides under snags and stones, buries itself in the tank bottom substrate and all you can see is its eyes and a snout. Fire eel has no abdominal fins. Some are harder to treat than others, so taking preventative measures is always the best option, to avoid these issues in the first place. Fire Development is a function of many factors including: fuel properties, fuel quantity, ventilation (natural or mechanical), compartment geometry (volume and ceiling height), location of fire, and ambient conditions (temperature, wind, etc). Read on to learn all about their care and upkeep! Since they will be with you for a shorter time, it is important to provide them with the highest quality of life with proper care.Advertisementsif(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fishkeepingworld_com-leader-3','ezslot_16',119,'0','0'])};__ez_fad_position('div-gpt-ad-fishkeepingworld_com-leader-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fishkeepingworld_com-leader-3','ezslot_17',119,'0','1'])};__ez_fad_position('div-gpt-ad-fishkeepingworld_com-leader-3-0_1');.leader-3-multi-119{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding-bottom:10px!important;padding-top:10px!important;text-align:center!important}DiseasesYou should always be on the lookout for any diseases your eel may have picked up. First of all, Fire Eels do not do well when they are together in a tank, so bringing two together for mating will be tumultuous. 8 Fang, J.B., and Breese, J.N., Fire Development in Residential Basement Rooms, National Bureau of Standards (currently NIST), NBSIR 80-2120, Gaithersburg, MD, 1980. Check out the FishForums.net Monthly Whats amazing I was told this fish Would hide all the time and only come out for feedings but I get to enjoy whenever Im in front of the tank he comes out looking for food and even when I feed him he probably stays out swimming for a good hour or two. An Ideal suggestion of a marine life expert would be to keep your buddy in a 100-120 gallon fish tank to provide a prominent life for the creature. Growth Rate We PIT tagged a total of 1,312 eels between 1999 and 2005 and recaptured 2 - 35% the year after tagging (Table 2). http://www.monsterfishkeepers.com/fod.php?t=384860. 4/1/06 Hi Crew! There are four bright red or orange lateral stripes along the body, very often they consist of spots and small lines. Contests including the Tank of the Month, All About The Malshipoo: Maltese Shih Tzu & Poodle Blend. In my experience spiney eels grow quite slowly in captivity, i wouldnt expect the fish to grow more than 4 or 5 inches in a year and then to slow down even more once the eel is over a foot.rudy the pic of him are in. 2 weeks ago I started buying night crawlers and OH MAN!!!! I had feed both, but the bigger one is just a vacuum cleaner. To ensure optimal conditions for your Fire Eel, perform regular water changes, and make sure you have a strong filter because Fire Eels like water that is very clean. .we'll kill them off, take their land and go there for vacation.. Life is like a jar of peppers what you eat today might burn you tomorrow. And if I give him lots of meaty foods, what kind of growth rate can i expect out of him? If you are looking for a large and unique tank addition, the Fire Eel might be just the fish you are looking for. There are four bright red or orange lateral stripes along the body, very often they consist of spots and small lines. In their natural habitat in Southeast Asia, they burrow in the mud, so endeavor to create a muddy area. What's the average rate of growth on fire eels vs tire tracks I have 3 eels now , my fire eel is about 10-12 inches I've had it 8 months it's hardly put on size I have 2 tire tracks one of Wich. JavaScript is disabled. Hi guys, I'm new to the big tank own and new here to the forum. Early in the fire growth stage there is adequate oxygen to mix with the heated gases, which results in flaming combustion. They act aggressively only when threatened by humans or preying for their food. I recently got back into Oscar fish and what amazes me is I kept 4 of them in a 10 gallon tank for a few semesters in . Fire Eels reproduce by spawning. But what exactly is a fire? Covered with scales, the Fire Eels long, snakelike body is dark brown with 4 stripes placed laterally. Optimal tank water parameters are the following: temperature 24-28 C (75-82 F), pH 6.8-7.5, water hardness should be not more than 15. Interestingly, Fire Eels have no abdominal fins.In terms of size, you can expect your Fire Eel to reach a maximum length of 20 inches (60.8 cm); if they were in the wild, they would be much bigger, reaching a length of 3.3 feet, or about a meter.Even at 20 inches, the Fire Eel is one of the largest spiny eels in the aquarium hobby. Monsterfishkeepers.com, a division of Monster Aquaria Network, LLC. )Make sure they have space to dig and burrow. Well, the water itself needs to be clean, but Fire Eels hang out in the mud when they are in their natural habitat. Fire Eels, the scientific name Mastacembelus erythrotaenia, are freshwater fish native to the river beds of Southeast Asia. All Rights Reserved. You only need to feed the tire track eel twice a week to make them grow as big as 26 inches. <Ahh; and can grow to a few feet in length; most mastacembelid species stay under a foot> But surely would eat up smaller fishes. You will see the benefits of proper nutrition in the Fire Eels increased activity and more intense hues. They are widely distributed in South-Eastern Asian waters where grow. A decrease in growth occurred after the early 2000s, potentially driven by habitat and climatic changes. As a result of their natural habitat in Southeast Asian lowland rivers, Fire Eels can tolerate myriad water parameters. As a precaution you should disinfect the water with methylene blue (1-3 mg/l), antibiotics (up to 10 mg/l). Abstract and Figures. When the spawning is over the fish is removed from the tank. You should make sure that there are no cracks in the tank, otherwise fire eel will easily escape from the tank through the tiniest slit. Fire Eels grow quickly, so dont expect to be able to start out with a smaller tank and then upgradethey need the space immediately. . Using undergravel filters is possible only in case if false bottom is thoroughly fitted and there are not slits. It was already about 20 inches when I got it. I've been working with the local pet groups for the past five years. fires). The dorsal and anal fins are long and narrow and located near the end of the caudal fin. The Fire Behavior in a Structure curve demonstrates the time history of a ventilation limited fire. 33. JavaScript is disabled. Locals in Cambodia, Indonesia, Laos, Malaysia, Myanmar, Pakistan, and Vietnam enjoy feasting on Fire Eels.Advertisementsif(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fishkeepingworld_com-medrectangle-4','ezslot_1',109,'0','0'])};__ez_fad_position('div-gpt-ad-fishkeepingworld_com-medrectangle-4-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fishkeepingworld_com-medrectangle-4','ezslot_2',109,'0','1'])};__ez_fad_position('div-gpt-ad-fishkeepingworld_com-medrectangle-4-0_1');.medrectangle-4-multi-109{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding-bottom:10px!important;padding-top:10px!important;text-align:center!important}Local fishermen would tell the hobbyist to handle Fire Eels with care since their sharp spines emit a toxic slime that you do not want to experience.Fire Eels are true diggers and burrowers, and in their natural habitat enjoy the slow currents of lakes and rivers, where they happily nest in the mud.Typical BehaviorFire Eels are nocturnal creatures and prefer to hide during the day, so they will appreciate lots of hiding placesaquarists should note that the regular decorations, rocks, and small aquatic plants will not suffice for these 20-inch eels.You will need large pieces of driftwood, larger rocks, or maybe some PVC pipe to give these guys appropriate hiding space. The fire eel is a beautiful yet very large aquarium fish that needs a lot of room when kept in captivity. 2005-2019 Monsterfishkeepers.com. You can expect the Fire Eel in your home tank to grow to about 20 inches (60.8 cm) and live for about 10 years with proper care. For a creature whose minimum tank size requirement is 80 gallons, it would be preposterous to even make this decision because this adorable fish naturally habitats in freshwater lakes of the wild and deserves at least a happy and comfortable artificial habitat to live. For free convection, values usually range between 5 and 25. Its elongated body is covered with small scales. Fire Behavior in a Structure If you can recreate some mud-like conditions in your tank, Fire Eels will be content. There are around 800 species of Eels and each has its various characteristics. The emphasis is on prectical engineering analyses, strategies used for solutions, and the assumptions that have been satisfactorily employed. The natural habitable . While they are omnivorous fish, they do have a preference for protein and this makes feeding them interesting and varied since they will happily eat everything from brine shrimp to bloodworms, and earthworms to small fish. JavaScript is disabled. One candle vs. ten candles - same flame temperature but 10 times the heat release rate! Secure .gov websites use HTTPS what do they eat? However, no study of how the fire cause (e.g. However, in the wild, they are also more likely to be chosen for a human snack, as Fire Eels are considered to be a delicacy in Southeast Asia. Even if you make up your mind, avoid performing it in captivity. He's now between 8-9''. For a better experience, please enable JavaScript in your browser before proceeding. What are some tankmates suitable for the Spiny Eel? Both anal and dorsal fins are narrow and long and they end near caudal fin. Local fishermen would tell the hobbyist to handle Fire Eels with care since their sharp spines emit a toxic slime that you do not want to experience. There are a couple of theories about why the Fire Eel does not get to be as large in captivity. They come out of hiding at night but need places of refuge during the day.Provide sufficient nutrition: big fish need lots of food. The store called me to ID.ITS ONLY 3 INCHES. The following tank water parameters are optimal for the breeding: temperature 28-29 C, water hardness about 10, pH from 7 to 7.2. my eel is very picky he will come out and he will eat from my hand he seems to like that the best. actually a Fire Eel <Mmm; Fire Eels are Spiny Eels; that is, Mastacembelus erythrotaenia are part of the family Mastacembelidae> that has attained a length of 7 inches in just 3 months.