Animal Stories - Aquarium Tropical Fish


Animal-World info on Black Phantom Tetra
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James Henry - 2014-10-03
I have Aquired 4 Phantom Tetras,and after about 3 Days one of the Females has started Swimming Head down,can anyone please tell me if this is normal or has this fish got a health problem?

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  • Clarice Brough - 2014-10-08
    The odd swimming angle is likely the result of a swim bladder malady. It could simply be bloat from over-feeding or feeding dry flake food absorbing water in the fishes stomach and expanding, or possibly constipation. But it could also be the result of another problem, see swim bladder disease here, on the  Fish Diseases and Treatments page (scroll down just a bit) and it gives you some things to consider.
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Animal-World info on Clown Knifefish
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Klaus - 2012-10-20
I have 2 knifefish (in the same tank mind you) and I've been wondering would I be able to put some Angelfish in with them I'm also interested in clown loaches, any advice?

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  • Jeremy Roche - 2012-10-20
    In a large tank itshould be fine.
  • mrbob - 2014-10-03
    The angels will become dinner should be housed with other large non aggressive fish.
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Animal-World info on Zig Zag Eel
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Samantha T - 2008-01-27
I have bred zig zag eels, though it happened quite by accident. They had four sessions or so of babies within a month and a half period or so.
The female was rounder in the mid section but definately shorter then my male. They are very caring and were seen teaching their young to hunt blood worms in the substrate.
Some of the pieces of the puzzle to help them along was an Indian almond leaf added, and the blue light to make it seem like moonlight (the IAL was added to start conditioning my halfmoon betta male also in the tank). Also, I had gone against a lot of people's advice and had bought the second zig zag with too small a tank, the lack of space turned out to never be an issue, and the fry and parents thrived. Unfortunately my female died a few months ago (she was having some issues, almost looked like she was laboring and got something stuck, no other signs of injury or sickness, plus the tank was/is healthy). Her young and mate protected her body as I tried to remove it. They noticed her gone, as well as the fry as I had to start selling them off as they got bigger. The tank is only a 30 gallon... I thought I'd share my beginner's luck.

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  • Kevin Satterfield - 2014-10-02
    I have a few eels in my tank and have been putting together accounts of eels breeding. Please contact me at kevinsatterfield7@gmail.com
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Animal-World info on Tiretrack Eel
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laure - 2012-09-29
I've had my tiretrack eel for a few months now and I noticed he/she is getting meaner to my other fish. It used to be a super sweet fish but it's just gotten totally agressive. Even when I changed out my tank it was attempting to gnaw on me even though I didn't feel it. It was just very strange. I've started calling him/her my little convict because he/she is just turning into a dreadful jerk. any suggestions?

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  • Clarice Brough - 2012-09-30
    They do eat small fish naturally, and some can get grumpier with age. But I'd start by checking the habitat as it may have to do with the tank being too small and/or not enough hiding places.
  • Lauren - 2012-12-31
    he lives in an 80gal tank with a pacu, angelfish, ghost knifefish, shovelnose cat. hes claimed this big cave all to himself even though hes still semi small. he hasnt reached his full length not by a long shot. idk whats wrong with him but hes made himself clear about his cave, the other fish let him eat first, and hes happy most of the time. i just dont know why he can have such a mean streak. the other fish dont bother him. he really likes to go after the pacu but i think thats because hes shiney. my eel loves shiney things. i had this silver ring on once when i was feeding them and i learned my lesson haha. he almost went ape crazy trying to get to it so i keep it in the aquarium now cuz he liked it so much, but i just dont know whats been gettin into him with his attitude. :/
  • mike - 2014-10-02
    Some fish are more naturally aggressive than their peers. Your fish could just have that aggressive personality. Or it could be a gender/dominance issue. (I've seen this with a buddies cichlid) some times if there are too many of one gender in one tank it may cause a dominance issue, or could be territorial, feeling threatened by habbits of your other fish. Is your tank thin and tall? Or broad and flat? A large tank doesn't always mean a big enough habitat. A 120 gallon tank can be only as much space as a 60 gallon for eels if its too tall.(as eels are bottom fish, they need broader, flatter tanks where other fish need swimming room eels need tank bottom.
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Animal-World info on Chinese Hillstream Loach
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Matt - 2009-10-12
I just purchase a Chinese Hillstream Loach from an unfamilier pet shop I had never been too. They are selling them under the name "Stingray Pleco". Very cool little fish. After this read I'll go back and get it some friends.
Thanks for all the helpful information.

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  • kevin - 2010-02-19
    Yeah theres a LFS near my house that named them "stone sucker" might buy them :)
  • Aresh bhola - 2014-10-01
    Hi my name is aresh and im from stanger I got a weather loach and one pleco algea eater .my algae eater is doing great and i got it in january this year but my weather loach is much older and is 7cm long but for a couple of days i have been looking for him all around the tank and i cannot see him.i even looked under the rocks but still no sign of him .. So if any one can please tell me what to do to find my loach it will be much appriciated
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Animal-World info on Ocellated Spiny Eel
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anonymous - 2011-03-09
When I was living in san jose in a pet store I saw some very strange fish they were black with a dark brown/dark dusty gray undertone they had no scales they were very smooth and slick-looking they looked almost like seahorses with no bumps that had been uncurled and stretched except they looked slimy like eels they had a long fin running down their back and seahorse snouts they were swimming through the pipes between the tanks but one of them stopped, lifted its head out of the water, and looked at me. I was a little ways behind it so it literally lifted its head and some of its neck out of the water, twisted its neck like a human would, and looked at me and its eyes looked way too intelligent to be a fish's eyes and they didn't seem to care if the water was warm or cold because they went between a tropical tank and a goldfish tank if someone knows what these are please leave an answering comment.

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  • Another Anonymous Guy - 2014-10-01
    it depends on what type of fish they were. Instead of goldfish it might of been a red devil. They look a lot like goldfish but they are not. The fish you saw was still probably a spiny eel because its snout that you described sounded a lot like the snout of a spiny eel.
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Animal-World info on Clown Knifefish
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David - 2010-05-22
Can I keep a clown knife in a 20 gallon tank with 3 Black Ghost Knifes, 2 Butterflyfish, 4 Elephantnose, 1 Bichir, and 1 Red-tailed Shark? I also have three apple snails. Would the Clown Knifefish damage my Amazon sword plants or my water lilies?

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  • Daniel - 2010-06-29
    Dude No way, that's already waaay too many fish for a 20 gallon tank. Get a 125 at least if your bgk and nosers are getting along.
  • Anonymous - 2010-10-13
    Yes they will get along but you have too many fish in that tank, you might want to upgrade soon.
  • Warren - 2010-10-15
    You can keep a clown knife with your fish in a 20 gallon temporarily. A clown knife is a large growing fish and would out grow a 20 gallon and your other fish.
  • Shaun - 2010-10-18
    No i would not keep this fish in anything smaller than 125g+. It will be a 20+ inch monster. I would also not get the ghost knifes as they will get 20+.
  • Evelyn McCloy - 2014-09-30
    Only if you add three oscars and several Dow's cichlids, and, space permitting, a goat or two-rick
  • ananya - 2014-10-02
    are you crazy David??!!!20 gallon for all those fish. Please tell me you are joking..
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Max miller - 2013-04-05
I have a gold clown knife and he is in a 45 gallon. Can he live in there forever with other 3 cichlids?

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  • Jasmine Brough Hinesley - 2013-04-05
    If he gets along fine with the cichlids, there is no reason they can't stay together. My main concern would be that the tank is too small. These knifefish can get quite large and a 45 gallon tank will not be big enough in the long term.
  • Benny Moreno - 2013-06-14
    yes he can, mind did.
  • Evelyn McCloy - 2014-09-30
    Given that cichlids comprise such an extremely large family, and with so many varying traits, and sizes it is impossible to say that fish A will get along with cichlids.  You need to be more specific; i.e., what would do well with a severum would not be sure to be best buds with a Midas cichlids-----rick
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Animal-World info on Blood Parrot
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Delores Prostek - 2010-02-26
I have three blood Parrotfish for about five years now and notice that one of them is developing small holes in its forehead between the eyes. They do not seem to be infected but one of them is getting quite deep. Does anyone have any suggestions as to what I can do? I'd certainly appreciate it. The residents of this retirement community really enjoy them. Thanks

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  • Editor's Note - 2010-02-27
    It sounds like you are describing what is called Hole-in-the-head disease or Lateral Line disease. It is usually seen in oscars and other large cichlids. It is not fatal and has been something of a mystery as to the exact cause. Non-optimal water conditions are what is usually cited as the cause. Also a diet that is not varied enough. There are medications which work with varying success rates, but it is usually suggested to improve conditions in order to halt the advance of the disease.
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Animal-World info on Tanganyikan Goby Cichlid
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Mark Smith - 2014-09-30
The species in the photo is actually Eretmodus marksmithi, and not E. cyanostictus.

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  • Clarice Brough - 2014-10-02
    I'm afraid I don't concur, as we received this picture in 2006 from Frank Schneidewind, co-author of, Lake Tanganyika Cichlids, How to keep successfully and enjoy these exceptional fish, published in 2002.

    Eretmodus cyanostictus has been known in science and by aquarists for much longer, in fact it was described by Boulenger way back in 1898. Eretmodus marksmithi, on the other hand, is a newly described species originating from the northern part of Lake Tanganyika. Warren Burgess described it in 2012.
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