Lawn mower Blenny

Discussion in 'General Discussions and Advice' started by Dot Dash, 5 Apr 2013.

  1. Dot Dash

    Dot Dash

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    I have had such rotten luck with lawnmower blennies. Every time I buy one it only lasts a day or two. All my other fish are doing fine. Even the fish that are introduced into the system at the same time. Can anybody give a reason for their death?
     
    Last edited: 6 Apr 2013
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  3. fish junkie

    fish junkie

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    you got any algae in your tank?
    if you got very little algae it will be eaten in no time and the blenny will most likely starve.
     
  4. RiaanP

    RiaanP Moderator

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    Next time, check the salinity of the water in the bag the fish comes in. You most likely will find that it is 1.1019 or even lower.

    I had the same problem with my first blennie many years ago. If the salinity is low, you must acclimatize them slower over a longer period,
     
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  5. Dot Dash

    Dot Dash Thread Starter

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    Good advice @RiaanP, I normally acclimatize all my new fish for an hour to an hour and a half. Next time I will check the salinity and only move the fish into my tank once it's the same. Think that is a good idea?
     
    Last edited by a moderator: 26 Nov 2015
  6. RiaanP

    RiaanP Moderator

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    yes.
    Switch of the sump lights and do it in the dark. I also found a long acclimatization period over stresses them.
     
  7. pkc

    pkc

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    Did you find the body in the aquarium?
    Was it perfectly intact?
    Was its body sucken in at all?

    I don’t know which species you use but the istiblennius meleagris I use is able to face near any hard ships at all, including being out of the water for up to 2 hours, temps down to 14c up to 36c and salinity from total fresh for a few hours to salinity off the charts at suddden changes as well.
    The ones I use are found in rock pools with conditions at times of extreme hard ships.
    What was your fishes full species name?
     
    Last edited: 7 Apr 2013
  8. LikesFish

    LikesFish

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    I cannot give you advise other than to say that in SA, I tried 3 times in two different tanks and every time the lawnmower blenny would die in less than a week. Come Canada and I have had two lawnmower blennies and have not lost one. The second one (second tank) is now at least 2 years with me.

    So no clue.
     
  9. Dot Dash

    Dot Dash Thread Starter

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    The blennies were sold as Salarias Fasciatus
    @pck - I did find the dead fish, there was no visible damage and the body looked fine.
    The is definitely enough algae for the blennie to eat, so it can't be starving.
    They are really interesting fish, one of the reasons why I would like on in my DT.
     
  10. Dot Dash

    Dot Dash Thread Starter

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    @RiaanP - so that is a catch 22 situation, if you don't take your time to acclimatize them they stress and if you take to long they stress as well. Going to give it one more try, and if it does not work I will have to live without one in my DT.
    This is by far the fish that has given me the biggest headache to date.
     
    Last edited by a moderator: 26 Nov 2015
  11. RiaanP

    RiaanP Moderator

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    yeah.
    best is to ask the LFS to check the salinity in their tank the blennie is in. The closest match to your system is the tank to buy from.
     
  12. 459b

    459b Moderator MASA Contributor

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    Are you buying them from the same shop?
     
  13. Dot Dash

    Dot Dash Thread Starter

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    @459b - no, I have bought them from various shop, but sadly none survived. @RiaanP - did a check on the salinity of LFS myself the other day and it was 1.019 compared to my tanks 1.026.
     
    Last edited by a moderator: 26 Nov 2015
  14. RiaanP

    RiaanP Moderator

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    I once also bought a blennie from a tank that was at 1.019. It did not survive.
     
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