Heating Problems

Discussion in 'General Discussion' started by Elodea, Dec 30, 2009.

  1. Elodea

    Elodea Well Known Member Member

    I went on a 5-day trip to Death Valley (just came back). Figured that the fish could live for 3 days without eating anything, and I didn't want to risk polluting the water with vacation feeders. When I came back yesterday, it turned out that heater either malfunctioned, or since the thermostat was off in the house, the room temperature must have affected the tank...anyways, the temperature was 72 degrees Fahrenheit and the fish were half-dead. The danios were all pale and lying on the bottom, the kuhli loaches looked like if they were dusted with charcoal, both serpae and Pristella tetra were whited out and hiding in the cave...the only fish that seemed unaffected were the peppered cory and the glass catfish. The cory should have been fine because it could handle a wide range of temps, but why the glass catfish were fine (being the most delicate fish, but had no opaque spots, even had a iridiscent sheen) was a mystery to me. Once I turned on the tank light and cranked up the heater a bit, the fish started to instantly recover (another mystery). In a matter of minutes, the danios were actively swimming again (not fully colored up though) and the kuhli loaches were to. Just to secure this, I added half a dosage of Amquel + as a stress coat. By today, all of the fish were perfectly fine.

    Does anyone know why my danios nearly expired (though they are coldwater fish), why the glass catfish were fine, and why they started recovering almost instantly when I came back?

    Sorry for the long post, but I am completely baffled.
     
  2. Lucy

    Lucy Moderator Moderator Member

    Were the lights off for 3 days? I went away for a weekend and left the lights off.
    My fish looked horrible when I got back. They were all pale. Once the lights were back on for a while, they were fine.
    Many fish go pale at night and color up with the lights on.
     
  3. OP
    OP
    Elodea

    Elodea Well Known Member Member

    The lights were off. However, most of them were hovering near the bottom of the tank, so I think there was more to it than the lights.
     




  4. Lucy

    Lucy Moderator Moderator Member

    ;) That's where my fish sleep.
     
  5. D

    David C Well Known Member Member

    Lucy is right. Check out your tank at night sometime and you'll notice most fish sleep towards the bottom of the tank.

    Dave
     
  6. OP
    OP
    Elodea

    Elodea Well Known Member Member

    Well, that sounds quite reasonable, but at first I thought they were sick or something...had me freaked out.

    Gotta sneak up on them at night and see if it's true. :D
     
  7. Lucy

    Lucy Moderator Moderator Member

    I was scared to death too!
    Next time I'm going to set the timer for the lights. lol
     
  8. Meenu

    Meenu Fishlore VIP Member

    Your story kind of freaked me out - how scary! I'm glad they all survived.
     
  9. bolivianbaby

    bolivianbaby Fishlore Legend Member

    I would've been very worried, too, but I'm glad they're okay.
     
  10. OP
    OP
    Elodea

    Elodea Well Known Member Member

    Yup, I snuck up on them last night, and guess what? They were like that again! So they were sleeping, after all.
     
  11. a

    alicem Valued Member Member

    If you don't have live plants, I think it is better to leave the lights off while away for an extended period.
    I believe their metabolism slows and they are calmer.

    Bad deal about the heater, tho. It would have been worse if it overheated! :eek:

    The lights off probably helped them "hibernate" in the cooler water...
    alicem
     




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