Animal Stories - Freshwater Eels


Animal-World info on Tiretrack Eel
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JT - 2010-04-19
A 55 gallon would not be suitable housing for this fish. A standard 180 gallon is the absolute minimum, though some argue that a 300+ gallon tank is required. Also, why is there a picture of a zigzag eel (of the genus Macrognathus) in this article that is supposed to be about tire track eels (of the genus Mastacembelus)?

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  • Drafina - 2010-10-02
    Doesen't depend on the Tire Track eel, I mean some don't get to be huge.
  • JT - 2010-11-14
    Drafina: No, it doesn't. Every specimen will reach about 30" in length if given proper care. If it stops growing before it gets to 30", that is a sign that it is likely unhealthy, which is usually due to the presence of high nitrate levels in the water (which is a side effect of not providing an adequate volume of water).
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Animal-World info on Peacock Eel
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Jen - 2010-04-14
We have a couple of striped peacock eels. We also have a dinosaur bichir. Every now and then one of the eels will poke the bichir in the stomach with the tip of its nose and follow it around that way for a few minutes, keeping pace. It looks very funny, but I don't know why it's doing that. Other times, the two eels will chase each other, looping around in circles rapidly, or doing the same thing that they do with the bichir. Anybody else experience this? Do you know what's happening? Are they playing or is it some kind of strange aggression? Because they're peaceful, right? And they leave other fish alone? Sometimes I think they want to put the bichir in its place, like they don't approve of him trying to dominate the tank or something.

I also want to say that feeding the eels with a turkey baster works for me, too, as someone mentioned in another post. They like worms a lot.

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  • dean - 2010-04-25
    They're probably mating I haven't seen my eel in 3 months I know he's under the rocks but I was looking up info and someone described what you had just said as mating so get ready for some babies.
  • sean - 2010-07-17
    The moving rapidly in circles happens because they are mating I have had this happen with mine too but the poking is probably just for fun.
  • tariqlagri@yahoo.com - 2011-10-16
    I need info about dinosaurs can you send me pictures?
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Animal-World info on Purple Spaghetti Eel
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Josh - 2010-08-29
This is great information! I'm trying to special order a purple spaghetti eel now, but they're really hard to find!
There is a mistake in the acceptable water conditions section. It is not mentioned that these are brackish fish. But that's all! Thanks for the information!

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  • Brian - 2010-11-07
    I had a spaghetti eel for 3 years in a plain freshwater tank and it only died when I had people taking care of it for me while I was gone for 2 weeks. I also had a couple eels that were like a tenth of the size that were adorable but I don't know if they were the same kind or a different species.
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Animal-World info on Peacock Eel
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stuart - 2011-07-18
I bought a Peacock Eel yesterday. Havn't seen him much except this morning. I saw him swimming around a bit but he was all over the place - on his side etc. Then he settled on the bottom and lay on his side. Don't know if he's eaten anything, the water is good, the other fish are healthy. Is this normal behaviour? Any ideas?

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  • Charlie Roche - 2011-07-18
    It's going to take him 2 - 3 days to acclimate to new enviornment, new things. Right now - just taking it all in.
  • stuart - 2011-07-18
    Thanks Cheryl. That's what I wanted to hear.
  • john - 2011-09-25
    Stuart, if you just bought him/her yesterday it's probably just adjusting, in a few days time it might act the same as it did at the pet store, if it acted this way at the pet store there is most likely nothing to worry about.
  • Kiel Cooper - 2011-10-24
    I have a spiny peacock eel and have had him for two months. I haven't seen him eat anything the whole time I've had him. Is that normal ...like a nocturnal appetite or something?
  • Charlie Roche - 2011-10-25
    They are nocturnal.
  • Alex Burleson - 2011-10-26
    Peacock eels are generally thought to be nocturnal. However, they can also be diurnal. You may wish to watch your eel for a few days, and make sure he is eating properly. If not, ask your petstore (or place of purchase) if you can replace him.
  • Shawn - 2012-02-22
    Be careful about him laying on his side. Does he have any white substance growing on him? If so he has a bacteria infection which is easy to get if the pet store had to many of them in their tanks.
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danie - 2012-01-08
I just purchased a peacock eel 2 days ago and I can't find him anywhere in the tank. I have lifted everything in the tank and hes no where to be found. Is it possable hes under the gravel in the tank? If so how long can he stay under there?

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  • Alex Burleson - 2012-01-09
    Peacock eels are known to bury themselves in the gravel. Additionally, they are known to hide in ornaments. Also, you should know that they are excellent climbers, and can survive out of water for an hour or so out of time. Eels need tight fitted aquariums, so that they cannot escape. He should turn up soon, hopefully! If you begin to smell a very distasteful smell, it could be a dead eel, if it escaped.
  • Carter_Yetmar - 2012-01-09
    Let you know the peacock eel gos along with the gouramis, sucker fish, tiger barb,yellow congo tetris or any tetris , and a glass catfish ,or glass fish and my peecock eel lives in a 20 gallon tank for 1 year.
  • Charlie Roche - 2012-01-09
    Throughly check the filter and any anything around/behind the filters. For some reason these eels seem to get into the filters or hide behind them with great frequency.
  • Shawn - 2012-02-22
    When I first got mine, he stayed burried in the graval for 10 days. I thought he was gone or had been eatin and then all of a sudden he was there.
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Animal-World info on Black Spotted Eel
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zack - 2011-02-10
Would a black spotted eel get along with south american cichlids? Would he eat feeder guppys?

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  • Charlie Roche - 2011-06-04
    Animal World wrote in the article on the black spotted eel "The Black Spotted Eels are carnivores. Feeding is not a problem because they will eat most fresh or frozen foods including small fish, worms, and shrimp. They may be trained to eat freeze dried brine shrimp or bloodworms but this is not something that can be counted on. They will also eat small fishes so make sure their tank mates are too large to be able to fit into their mouths".

    The eel will grow to be about 20 inches and cichlids start out fairly small and grow to 4 - 5 inches or so. Eels also can crush their prey - my concern is the size of the cichlids and the size of the eel as the eel is not good with small fish. I would think that means guppies or neons but the crushing part bothers me a little. I think why take the chance?
  • Spellbound - 2012-01-31
    How do I know mine is eating. I had it for over 3 weeks and it seems happy and active he loves to spim all over. And I put blood worms in about ever 3 days and they dissappear. But I never actually see him eat?
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Animal-World info on Peacock Eel
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Anonymous - 2012-01-20
hi, I was wondering how many could I keep in a 40 gallon tank tank that I would say is 2' wide,3-3.5' long and about 8-12" high with a lockable lid? tankmates would include 4 firemouth cichlids,3 senegal bichirs,7-8 mosquito fish, 4 feeder minnows, 4-6 striped darters, and a female betta (personaly I think they are prettier than the males but thats my opinion).

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  • Clarice Brough - 2012-01-20
    Sounds like you have a pretty full tank already. Your fish are probably young right now, but they will grow. The minnows, mosquito fish, darters and betta will stay pretty small, but the other fish all get pretty big, with the firemouth's reaching about 6'. The Peacock will reach close to a foot in length, and the bichirs which also get that large, or more, and they inhabit the same part of the tank the eel does. So I would the space is pretty much filled up. You'll probably be looking for a bigger tank:)
  • Spellbound - 2012-01-31
    Is your tank light on? Mine swim at night in the dark alot.
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Animal-World info on Tiretrack Eel
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Samuel - 2011-07-08
I own a 120 Gallon freshwater tank, full of about 10 cichilds (3 South American, around 5-7 South African), two Balla Sharks, a Green Terror, a Black Ghost Knife Fish, and my tank has allot of small crevices for a Eels to live in. I was wondering what type of Eel can I put in my fish tank and which one would be best and safe?

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  • Charlie Roche - 2011-07-09
    Rule of thumb is your tank should have one gallon of water for each inch your fish are going to be when they are adults. You also have to subtract gallons for gravel, plants, decorations, filter etc. An example is the Black Ghost can go up to 20". So allowing for gravel, decorations, etc, I would recommend a 25 gallon tank. Your circhlids can go up to 6 - 8 inches so there is another 80 gallons. Then you have the tire track and they can go two feet. That doesn't even include your eels, green terror and sharks. I wouldn't add any more and I would recommend, to be on the safe side, you get another tank and split these fellas up a little. Sorry about that. Good news is you can justify another tank. Bad news is you should do some re-arranging.
  • Alex Burleson - 2012-01-01
    Depending on how aggressive your cichlids are, the best species for your aquarium would be:

    Zig-Zag-Eel
    Black Spotted Eel

    With these species, you'd need to purchase more larger, adult specimens, with the risk of your cichlids attacking them, if they were much smaller.

    Enjoy!
  • Joe - 2012-01-01
    One inch of fish per one gallon is not true and should never be used to calculate how many fish to put in your tank. Dont want to a argue. Just putting a Correction out there.

    Example: A 24" black pacu cant go in a 24 gallon tank. or a fifty. or barely wedge into a hundred. You have to account for Girth, temperament, skittishness, and a ton of other factors.
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Animal-World info on Peacock Eel
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Matt - 2011-12-11
Just got a peacock eel. i love it

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CP - 2011-12-06
I bought a peacock eel about a week ago. After two days swimming around the aquarium (20 gal.), it suddenly disappeared overnight. Frantic searching on the floor and in the filter did not find him. Four days passed and yesterday I heard the filter 'hiccup' a couple of times. I quickly fully dismantled the filter apparatus to find my guy stuck in the small compartment of the filter, head down....but still alive! I rescued him, hoping I didn't harm him, although it took a bit of manipulation to free him. He is sitting on the bottom of the aquarium now, interested in food, but not actively pursuing it. I hope he survives!! He's incredible!

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