My brother in law left me in charge of the house and the fish-maybe a 30 gal tank. He's got a huge coy-maybe 5 lb. And I dont know what this other one is-looks like a gigantic beta but its not. Then he got a baby coy?about 2" before he left. Now the baby coy and (huge beta) are lifeless on the bottom of the tank. Nothing changed while he was gone except do you think that if the room was too cold, the water got cold and killed them?I dont know if they're dead but if I cant revive them, I'm done for.Help Help.
2007-06-18 05:50:16 · 9 answers · asked by baghmom 4 in Pets ➔ Fish
Bettas (pronounced bet-tah, not bay-tah) do not get huge, 4" is about the max. It is probably a butterfly koi.
Koi, a species of goldfish, are coldwater fish and are extremely hardy where cool water is concerned. Many people leave them outside over the winter in ponds that are at least 3' deep. No, a cold room would not have killed them.
Reach into the tank and touch them to see if they respond to any kind of handling. If not, then they are probably dead. Is the water too warm? Is there a heater in the tank? Sometimes a heater will go bad and heat too much, killing the fish (I know this from personal experience, dammit). If he keeps koi, though, he probably knows they do not need a heater and there is not one in the tank.
It sounds like the new fish might have been sick and infected the other one. I would save the bodies in a plastic bag in the freezer for your brother-in-law to look at when he returns. Take some digital pix of the corpses and show them to someone at the fish store or email them to Magicman, he is a fish disease genius. I am sure he can help you stay out of trouble.
2007-06-18 06:04:14 · answer #1 · answered by 8 In the corner 6 · 5⤊ 0⤋
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2016-09-05 20:09:00 · answer #2 · answered by ? 4 · 0⤊ 0⤋
The koi don't need a heater - they can overwinter outdoors in a pond. A more likely problem from the size and species is that ammonia has built up in the tank. You can try a 50% water change (add the new water slowly, make sure it's about the same temperature as what's in the tank and add dechlorinator). But if there's no gill movement from the fish, it may be too late to save them.
2007-06-18 06:05:52 · answer #3 · answered by copperhead 7 · 3⤊ 0⤋
If he has a heater in the tank, it shouldn't be a problem.
I don't know... I have never heard of that happening before.
But I did use to have an Oscar and it would lay on the bottom of the tank pretending to be dead sometimes, so we would come over and look and he would jump up out of the water 'cause he wanted food.
Maybe you unplugged something accidentally?
2007-06-18 05:55:15 · answer #4 · answered by kb 3 · 0⤊ 0⤋
I agree with the others - probably a filter crash. Do a water change and try adding a little salt (pond salt, not table salt - no iodine!!) to the water, at the rate of about 1 tablespoon per 10 gallons of water (so maybe 3 tablespoons in all for this tank).
You can also go to www.koivet.com and research possible causes, as well as suggested remedies.
Good luck!
2007-06-18 06:28:47 · answer #5 · answered by Poopy 6 · 0⤊ 0⤋
It would be hard to say if a fish is dead without the pictures, but basically, if the gills are not moving, if they are upside down, discolored, and bloated, I'd say that's probably pretty dead. It depends on the fish to just look at behaviour alone. My clown loach that's bigger then the others in the pack will sometimes lay on his side while playing with the rocks, and at first glance you'd think he's dead till you tap the glass and out he goes around swimming. Look for gill movmements or not, discoloration as in being very very pale, and upside down or stuck to the filter.
JV
2007-06-18 05:56:26 · answer #6 · answered by I am Legend 7 · 1⤊ 0⤋
No it cant of got too cold. They are coldwater fish after all. I sugggest you do a 50% water change, Are you sure all the filters/pumps etc are switched on?
2007-06-18 06:02:49 · answer #7 · answered by Anonymous · 0⤊ 0⤋
grab a straw and blow into the tank. Or place the fish in sterilized water.
2007-06-18 05:54:20 · answer #8 · answered by Anonymous · 0⤊ 1⤋
sometimes fish play dead, stick your hand in there and touch them if they both dont scram then they are dead
2007-06-18 05:59:08 · answer #9 · answered by Anonymous · 0⤊ 0⤋