Animal Stories - Loaches


Animal-World info on Yoyo Loach
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bill - 2006-10-07
I have 4 yo yo loaches in a gallon container they were in my big 55 gallon tank, but they were eating the fry. Love these guys, but tend to be a little more aggressive than people say. At my store we put them under semi-aggressive fish. They are definitely good scavengers and will clean your tank. The only thing that gets me is that when they sleep they look like they're dead. When you go to get them they take off.

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  • Anonymous - 2014-06-29
    I'm looking at getting a yoyo fish to kill my snails I'm quite nervous for my guppies, cause some websites say they eat them.
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Animal-World info on Kuhli Loach
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Joan - 2010-12-14
Hi!

I love your site and has many different species!

I had two Pangio Kuhil loach's that were doing fabulous, I bought another two yesterday and now three are swimming like they have something after them, they swim quickly up and down the tank, the fourth just lies around.

Mine don't seem to be nocturnal as they are swimming all day.

What I am wondering now is are they upset that two more were added or perhaps trying to harm each other, including the one that lies around?

The other two never did this, as said, the three are swimming up and down really fast and they do this until they tire.

I read up on something about catfish and that they get confused but didn't understand it all.....I don't know if my two catfish are called catfish, mine are bottom feeders and maybe an inch long max.

Any help would be appreciated, they were added to the tank just yesterday, if they were just getting to know each other or were out of sorts and confused, this should have topped.

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  • huss - 2011-04-22
    The 2 fish you saw swimming up and down the tank might have a been a act of mating. Expect to find babies loaches soon!
  • Jean - 2011-11-09
    I've seen behavior like this called a "rain dance". I'm sure it's attributed their mating being brought on by rainfall like other fish in their native region if this is correct then a waterfall style filter may be simulating rainfall and bring on this behavior. I have had kuhlis for a few months now and I recently added 4 more bringing a total of 9. They are active all day long and exhibit his behavior as well as far as I can tell it's harmless. They won't breed until they reach sexual maturity which can take as long as 2 years but usually is around 18 months. In large numbers they like to lay around each other in the open all day and often play with each other. Don't worry if your kuhlis are acting like everyone else's their behavior has a lot of contributing factors including other fish in the tank, cover and filtration. The more hiding places you give them the more time they will spend out as they feel safer. There isn't a lot of comprehensive info about their behavior and breeding info is scarce. They have some very odd behaviors often being called foolie loaches because they like to stress out their owners by playing dead. Don't be surprised to find them hanging off plants they love to climb. For now I'm trying to document their behaviors and figure out causes. Most people will try and compare their behavior with other fish species but this can't really be done. Fish behavior is diverse for every type. Don't let people scare you by telling you they are under oxygenated I have two air stones running a lot of oxygen and mine still "rain dance". Best I can say is try to figure out what your tank conditions would be replicating in their natural environment and you might be able to figure out their seasonal behavior patterns. I'm rambling a bit. Hope I helped.
  • Soyer Pan - 2014-06-03
    Despite good water parameters, triple zeros on the cycling ( 0 ammonia, 0 nitrite, 0 nitrate) in my planted sand ten gal with just six pepper cories, my two new black kuhli loaches kept doing the circles too and got me worried. I knew they school like cories, but more research shows I should get more. Thinking of buying three more. Thanks for sharing. Do you still have yours and how are they doing?
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Animal-World info on Redtail Botia
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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.

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Animal-World info on Skunk Loach
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troy - 2013-08-02
I have one of these fish, and they are more semi-aggressive than peaceful. Mine gets along fine with my kribensis, with some chasing or nipping when they get too close. These will attack other loaches, including pangio species, but in a large enough tank they will get along with their own kind. The reason I specifically said pangio species is because a breeding pair of kribensis I had attacked everything but my kulhi loaches. They are fine with anything that stays away from their territory on the bottom, but will harass other bottom dwellers.

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  • Si - 2014-02-25
    Does anybody know if it's good to put kuhli loach's in with just one skunk loach?
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Animal-World info on Kuhli Loach
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Amy Carson - 2013-04-13
I have an albino kuhli loach who likes to float at the top of the tank or just lay draped in the plants. Twice I have mistaken him for dead, but he eats and looks healthy otherwise. Is this common behavior?

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  • Jasmine Brough Hinesley - 2013-04-13
    I am not sure it if is common behavior, but if he is acting normal otherwise I wouldn't worry about it too much. Maybe someone else on here has had a similar experience?
  • Jacob Hertl - 2014-02-17
    This is normal I'd say there is not sufficient places for the loaches to hide. If it is alone and there's not enough cover it will act sick or dead as a way to lower attention.
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Animal-World info on Dojo Loach
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chenise johnson - 2014-01-13
Hi all, we have two dojos, both which are usually very active. But our bigger one has become sick over the last week. He's very lethargic and his fins dont seem to be moving. He wiggles down to the bottom of the tank and back up again every so often but now spends his time hanging over the filter. Currently doing tank tests. What could this be please help!xxx

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  • Clarice Brough - 2014-01-16
    The information you've provided leaves little to go on as to what could be wrong. However, loaches are susceptible to something known as 'skinny disease', which isn't really on disease but rather a name for a condition where the fish get lethargic, stop eating, and basically waste away. If your fish stays lethargic, I would suggest that some type of treatment would be in order.   

    Many fish diseases are Gram negative bacteria. The Mardel brand makes two good products, Maracyn and Maracyn Two, that can be used together for a full spectrum of bacterial infections. Maracyn is erythromycin, and tends to deal with Gram positive bacteria while Maracyn Two is minocycline, and tends to deal with Gram negative bacteria (Gram negative bacteria affects fish when their defenses are low).

    This is a good place to start, but if this treatement doesn't work, then you will need to look at other treatments. Neither of these will affect internal parasites, and neither seems to be active against Mycobacteriosis (Kanamycin can be used for mycobacteria). There are a number of different parasitic medications, but be careful not to use any treatments that are not safe for scaleless fish!
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jemma - 2010-02-09
I have had my weather loach for nearly a year. It keeps going upside down and floating to the top of tank, but still alive. I can't figure out what's wrong, can anyone help?

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  • shurik1990 - 2013-12-03
    What he is doing is releasing excess air from his anus. This is normal, as in their normal habitat, they have to survive out of water with their digestive system that extracts oxogyn from the air.
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Animal-World info on Yoyo Loach
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Tina - 2013-11-12
I recently found out the name of this fish. LOL I have had this Yo-yo guy since 2000. It was by accident when I purchased a water plant for my aquarium. He made himself at home by eating all the snails including the big apple snails, he out lived my betas and other small fish. He even outlived a big pink aggressive cichlid that I thought would make a great tank mate for him. He even managed to survive many times of me finding him outside the tank after he jumped out while I was sleeping. Oh yeah, he really seems to enjoy my cat more than he does me since he only seems to come out of his hiding place whenever my kitty comes around. To this day he is still currently enjoying his food, I think his home and the odd snail he finds. I gave up on getting him a new tank mate. :s

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Animal-World info on Java Loach
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daphne - 2010-02-22
Two of my seven loaches are getting busy as I type! I have a few aquariums, but the one in question is a simply, a fully live planted tank with only a few snails, some harlequin rasboras, and the loaches. One of the largest loaches is swimming in a circular pattern, up and down, along the left vertical wall of the tank. These two have been doing this for days. From what I've read, this is the beginning of the mating cycle.

It is set to rain in a few days, and an expert told me to do small water changes until then. When the weather is supposed to change, I am to do a thirty to forty percent water change, and then over the next couple of days I am to watch for floating eggs at the water's surface. I use elodea and other floating plants, so I hope the eggs will last until I find them.

If these two get it on, I'll get back to you!

In the meantime, here's my advice:

Buy the loaches in large, uneven amounts, of over nine. Keep the water warm, flowing, and full of live plants. If you must have other fish in the tank, make sure they are small. Buy a few caves, or bury plastic cups or terra cotta planters halfway in sand.

I wish you the best of luck with your loaches!

P.S. Buy frozen bloodworms once a month, at least. They LOVE them.

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  • Shareallicu - 2010-10-09
    Hi, I am new to keeping Kulhi loaches. I saw them at the pet store and thought they looked interesting and fun: I was looking for something a little different from the "regular" type fish, of which I've kept most of my life.

    I asked the salesman if they liked companionship or if they were social amongst themselves (so I would buy more than one) he said no. I had a feeling he was wrong, but didn't want to buy too many if they were aggressive to each other. So I bought two.

    They burrowed together and laid next to each other ALL The TIME! I found that my instincts were right in the first place! They were social. So i went back about 2 weeks later and just bought 2 more. I will be watching them to see how the 4 get along.

    I wish I read your comment about keeping a lot of them together beforehand, but live and learn i guess hehe.

    I will give them bloodworms tonight, thanks for the info! :)
  • vic - 2013-06-07
    I have had two lots of baby java loaches and all doing great. They live under the under gravel filter and they enter and leave via the up tubes of the filter. I notice that they will gather in one place on top of the gravel with their heads in the gravel all within a two inch area. They will do this once or twice a month.
  • vic - 2013-11-11
    Since last I wrote I find now that I now have yet another batch of babies. At this rate I will have more than I can handle. Bye for now.
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Animal-World info on Dojo Loach
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vicky - 2013-07-17
I have 2 Dojo loaches, I love watching them dart around our tank, but one of my little guys/girls is acting rather weird she is looking rather fat around her belly and is staying at the top. She is also farting out air bubbles, can anyone tell me what could be wrong please as I don't want to lose her. She also has a slight reddish color on her tail please please can someone give some advice? Oh I have a 6ft tank with plenty of oxygen. My tank is also going through a cycle at the moment so nitrate, nitrite and ammonia levels are slightly up.

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  • Jasmine Brough Hinesley - 2013-07-25
    Red streaks and bloating are signs of a bacterial infection. Treatment with penicillin, amoxicillin or erythromycin should clear it up. Any pet store should carry these treatments. Read more on specific diseases at Fish Disease and Treatment.
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