mbwells Posted May 17, 2022 Share Posted May 17, 2022 Hello friends!! Hope everyone is doing well. I have a 40 gallon breeder set up with about 15 fish each from the gold white cloud mountain minnow (Tanichthys albonubes), the Vietnamese white cloud (Tanichthys micagemmae), and the yellow white cloud (Tanichthys kuehnei). I've never seen a tank where someone had all 3 species of white clouds so I thought it would be fun to set that up. I have a question about some strange behavior I've noticed. I have to say at the outset that I have far more males than females, and I have females that are ready to spawn almost every day. As you can imagine, the sparring between males gets ... intense sometimes. This usually takes the form of the males flaring their fins at each other, or chasing, but sometimes several males will stubbornly fight around my Cryptocoryne tropica and Cryptocoryne wendtii red plants. The chasing and flaring lasts for anywhere from 5 to 15 minutes and ends when one of my males will dramatically swim over to the same few leaves on each plant and thwack them vigorously with his tail. This happens several times, the male swimming around the plant erratically and hitting the leaves for about 10 to 15 seconds, and then stops. Again, it's bizarre but it's always the same few leaves on each plant as well. At first, I thought this was flashing, and gave a treatment of ParaCleanse. The treatment had no effect, and I started noticing that this behavior is *repeatable* but only during the early morning and late afternoon (when my lights either start slowly growing or waning in intensity). Other than these regular sparring sessions, I never see this behavior! And curiously, I never see this flashing like behavior in females, just whatever male happens to "win" the sparring match. Moreover, it's the same broad leafed plants (the crypts) not my sponge filter or Ziss bio bubble filter, or my stem plants rotala or wisteria. Is this a normal behavior for male white clouds? If not, is it flashing? The behavior has gone on for over a month now. The fishes external coloration and appearance is immaculate, and my water parameters are always consistent: pH: 6.4 to 6.6 (buffered with Controsoil) Temp: 72 to 74 degrees this time of year (I don't heat the aquarium) Hardness: Somewhere between 50 and 75 ppm Ammonia: always zero as you'd expect at my low pH Nitrite: always zero Nitrate: Anywhere from 10 to 40 ppm (I always change water at 40 ppm) and add Easy Green three times a week Any insight from a fellow white cloud keeper would be greatly appreciated! Link to comment Share on other sites More sharing options...
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