Few Fish And Snail Deaths: Coincidence Or Stress? Help

Discussion in 'Freshwater Fish Disease' started by Jack201, Jan 31, 2019.

  1. Jack201

    Jack201New MemberMember

    Messages:
    9
    Gender:
    Male
    Location:
    Berlin
    Ratings:
    +2
    Experience:
    1 year
    Hello!

    Over the last two 2 weeks two fish have died (a Guppy and a panda Cory) as well as a Zebra snail.

    The Zebra snail I've had for more than a year-and-a-half, while the guppy and the Cory were introduced only in October last year.

    Other possibly relevant information: surviving snails keep coiling up and spending hours, out in the open of the tank, on their backs. The guppy that died was razor thin and I noticed, prior to dying, trying to eat but kept spitting it out. Unfortunately, I didn't notice the dead Cory until it was almost entirely eaten by my remaining snails. All other fish are acting and eating fine, and have no visual spots or scraps.

    Tank (90L, 25% water changes every month) parameters:
    Temp. 25
    NO3 MG/L <10
    NO2 MG/L <1
    GH (°d) >16
    KH (°d) 15
    pH 6.9

    Pics attached of remaining fish and an upturned assassin snail (still alive).

    Appreciate anyone who can diagnose and help put my mind at ease!
     

    Attached Files:

  2. Thunder_o_b

    Thunder_o_bFishlore VIPMember

    Messages:
    9,484
    Gender:
    Male
    Location:
    North East Ohio…USA
    Ratings:
    +5,898
    Experience:
    More than 10 years
    I am concerned that you are showing nitrite. What Is your ammonia reading?
     
  3. OP
    OP
    Jack201

    Jack201New MemberMember

    Messages:
    9
    Gender:
    Male
    Location:
    Berlin
    Ratings:
    +2
    Experience:
    1 year
    My testing kit doesn't check for ammonia...
     
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