Animal Stories - Mono Fish


Animal-World Information about: Mono Fish

The Mono Fish is a shiny diamond shaped fish that's perfect for the brackish water aquarium!
Latest Animal Stories
mary ann - 2015-11-08
I just bought a pair of Mono's from Pet Smart. They wer being kept in fresh water. How should I introduce them to my brackish tank?

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  • Anonymous - 2018-09-22
    Add a little by little aquarium salt and increase it weekly and after one month it is ready to live in brakish water
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Amol sawant - 2015-03-09
i have pair of mono angel fish out of them one is turning black can you tell me the reason why ?

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  • Clarice Brough - 2015-03-11
    Mono Fish will turn black when they are stressed, and that is a sign that something is not right in their environment. However they may turn black at night too, which is normal.
  • Hemanth - 2017-11-05
    Tonight I add few drops of seachem stability. And both of my mono fishes color has turned to black. Is that normal?
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Pugal - 2017-09-07
Nice to have this smart active fish

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Stephen - 2014-12-10
i have a Mono Fish Silver Moony, Moonfish, Mono Argentus Family: Monodactylidae and i'm looking for a good home for him/her. i just bough a tank that came with him and 2 green spotted puffer fish possibly looking for a home for them aswell. email me if interested sbplank719@gmail.com

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  • Stephen - 2014-12-10
    i also live in maryland
  • Kim - 2016-08-31
    If you still have the mono's, I would love to have them for our tank. Please email me and let me know. Thank you.
  • John Paul Kohere - 2016-11-09
    Is Maryland USA Elvis Territory? Good luck for a home for them.
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sagar mehroliya - 2015-02-25
i have mono angel fish there eyes have become white how should i care for them..plz friends help me

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  • Clarice Brough - 2015-02-25
    Cloudy eyes are often a bacterial infection, but they can also be the result of Ich or Velvet. You can find information about eye problems and these other diseases as well as how to treat them on the Aquarium Fish Diseases and Treatments page.
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Doreen - 2009-05-04
I have three mono`s that are the size of a dinner plate. I have had them for 11 years, and they have lived in a freshwater tank since I got them at about 1 in. They also had three angel fish, and three silver dollars. all pretty big fish now. I just noticed that the monos are killing the other fish that they have lived with all these years. Does anyone know why? Are they getting to breeding size? Should I put them in a saltwater tank? They have been in a 125 tank. HELP""""""

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  • Terry - 2011-02-09
    Doreen--Seems obvious but big fish=big appetite. Larger tank and no smaller fish with them or take them to a fish store that may give you some credit. Any fish that eats my fish is going away. Might consider fillets and invite friends over for a nice fish dinner. Good luck.
  • conor - 2011-12-28
    I have two silver mono and I have two large angelfish and I was wondering weather they could be housed in the same aquarium . ?
  • tanmay - 2014-11-25
    Hello doreen... May I know hw much size f ur monos...I have 8 ..m fiding dem hikri biogold plus... any suggestion..they r going 2 complete 2 yers.. growth bou 4in.
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Amit - 2013-01-23
I have 4 awesome Mono fish in my 3 ft by 1.5 ft by 1 ft tank. From last 4 months and they have grown nicely. It's a great feeling to have to keep them. Please tell me more about them to make them more healthy and happy.

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  • manoj - 2013-08-29
    Add around 1 Kg rock salt to your aquarium. They need brackish water when they get older.
  • tanmay - 2014-11-25
    Hi amit.. May I know how much size fvur monos now?? I kept 8 monos... I want grow them 5 inch plus size.. m feeding them hikari biogold plus...
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Bubba - 2014-06-01
I kept mono's in my fishroom before, but not for many years. Yesterday, I came across a deal in my local fish store that I could not pass up. I bought 12 small mono's for a very low price. They are about the size of a quarter dollar coin and all appear healthy and active. I'm now in the process of moving some other fish out of a 125 gallon aquarium and rearranging it to suit the mono's. I'll keep them in freshwater for now - my well water is very hard (12 dGH) with a pH of 7.8-8.0. I'm considering adding a large group of mollies for dither fish, and maybe some small synodontis cats for clean up. I'll probably plant part of the tank moderately heavy with vallisneria which will hold up well to the mono's nibbling and even to the addition of low salt levels later on. Today I fed the mono's some raw boiled zucchini and later some live brine shrimp - already they are VERY eager eaters and their schooling behaviors are delightful! I'm looking forward to watching these guys grow and thrive in their dedicated system and hopefully will enjoy several years of their presence and activity in my home.

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  • sagar mehroliya - 2014-10-13
    i need the mono angel how much it will cost of 1 pair and then i will decide how much i want
    i m from nagpur
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Anonymous - 2014-05-05
I just got 4 mono fish and I was wondering if they came from a salt water tank, and I put them into a freshwater tank will they survive?

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Harrycall - 2013-10-08
S.O.S. Monodactylus. Hi guys. 2 months ago I bought 6 small monos in my discus tank. Yes I know. Discus are a pacific guy and mono are speedy guys. Respect between them, normally... But I tried ... They eat good but somedays one of them runs erratic movements like drunk and in 24 hours died. 3 weeks after another one of them too. And another... What is the problem? Ph 6,7 and temp 28C. The aspect of 3 others is very good and eating very fine, like discus. Please, some ideas?... Thanks! Ciclopexx@hotmail.com

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  • Michael - 2014-02-18
    That's a bad mix. Discus need a PH of 6.4-6.8 and soft water. I use 1 tablespoon of salt per 5 gals of water. The Mono fish need a PH of 7.8-8.2 and hard water. 1 tablespoon of salt per 5 gals of water is a good start for Mono fish but it will need to be much higher as they grow.
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