Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Spiralling/spinning paradise fish (http://www.tropicalfishkeeping.com/anabantids/spiralling-spinning-paradise-fish-44584/)

lenw 06-07-2010 06:28 AM

Spiralling/spinning paradise fish
 
Hi,

I've got a new small paradise fish. He's about 2-3in long. I got him 9 days ago. He's been very cautious, hiding under plants in his bowl. I've been feeding him frozen bloodworms. This morning, I managed to convince him to take some betta pellets. He chewed on them and spat them out, so I'm not sure how much he actually ate.
Tonight, he's doing a lot of spinning and corkscrewing. He can stop still in the water and then shoot off in a straight line, but then he'll go down to the bottom of the bowl and spin around. It's almost like he's itchy and he's trying to scratch himself.
I've been reading about swim bladder problems and parasites. I can't see anything visibly wrong with him, apart from the strange swimming. I've put in a heater to raise the temperature a few degrees - I've read that's good for infections.

Any ideas?

cheers,
Len

iamntbatman 06-08-2010 03:18 AM

Is he actually flashing against surfaces?

Here's a video:
http://www.youtube.com/watch?v=X-qsU...eature=related

In the video, you can see that one barb swim up to the gravel near the front glass and, in a quick motion, rub itself against the gravel. It later does it against the decoration. This is how fish "scratch itches" caused by external parasites. Is that what your paradise fish is doing?

lenw 06-08-2010 03:36 AM

Hi,

thanks for the response.

He's been spinning (several times at once) against the bottom, but also in clear water, where he's not in contact with anything. It doesn't really look like the same behaviour, unfortunately.
He also tends to swim on his side for short distances. If he just did it occasionally, I'd think he was just being playful. I'll try to take a video to show the behaviour.

iamntbatman 06-08-2010 05:12 AM

How about this?

http://www.youtube.com/watch?v=x04RbkXJjtM

This post has more information about the disease:
http://www.tropicalfishkeeping.com/t...ge4/#post77438

lenw 06-08-2010 08:57 AM

He might have an advanced case of that. The poor little guy has deteriorated a lot even in the last five or six hours. Here's a video I've just taken: http://www.youtube.com/watch?v=yJo_kIOr6UY
I've removed most of the plants to make things easier to see. The white thing at the bottom is an O2 block that's slowly dissolving.

He seems like he's struggling to keep his tail down - it might be too buoyant. I've done a 50% water change (parameters are still fine) and chopped up a boiled pea, which he tried to eat but spat out.

iamntbatman 06-09-2010 04:57 AM

Poor guy! That does look like whirling disease to me. I've never had to deal with it myself, so my best advice to you would be to keep your water quality as pristine as possible and follow the advice in the post I linked to earlier in the Diseases sticky.

lenw 06-10-2010 06:55 AM

Sounds like there's no cure.. I euthanised him last night. He was thrashing around until exhausted, and then lying motionless on his side at the surface. I'll throw out everything that was in the bowl and soak it in bleach to make sure there's nothing left that could be carrying the disease.

iamntbatman 06-11-2010 05:25 AM

Very sorry to hear that. It's always tough watching fish succumb to illnesses like that, especially ones where you can tell that they're in obvious discomfort. I think euthanasia was the best course of action in this case.

This has got me thinking about tubifex worms, as apparently the parasite that causes whirling disease is associated with tubifex worms. I think the frozen worms are probably fine as they're flash-frozen, but it definitely has me re-thinking feeding live blackworms, which are a type of tubifex worm.

lenw 06-11-2010 10:13 PM

Quote:

Originally Posted by iamntbatman (Post 402283)
This has got me thinking about tubifex worms, as apparently the parasite that causes whirling disease is associated with tubifex worms. I think the frozen worms are probably fine as they're flash-frozen, but it definitely has me re-thinking feeding live blackworms, which are a type of tubifex worm.

The strange thing is that I'd only had him 7 days when he first started showing symptoms, and the bloodworms were frozen. The shop assistant who sold him to me told me that paradise fish weren't very hardy. I was a bit incredulous about that, but maybe he'd had other customers come back with diseased fish from that 'batch'.


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