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AARGH!!! !@#^%!@$# Camallanus! | 18 comments (18 topical, 0 editorial, 0 hidden)

Re: AARGH!!! !@#^%!@$# Camallanus! (none / 0) (#6)
by PeterW on Tue Feb 08, 2005 at 11:24:12 AM PST

Heh, my modem connect rate (on a pairgain system) was in the order of 16kbps.

Anyway,
http://canning.wemm.org/~peter/camallanus/

There are several files:
[VID] camallanus-larvae.wmv 08-Feb-2005 11:09 1.5M
[VID] camallanus-larvae250.wmv 08-Feb-2005 11:09 446k
[VID] camallanus-worms.wmv 08-Feb-2005 11:12 4.7M
[VID] camallanus-worms250.wmv 08-Feb-2005 11:13 1.3M

The *250 are 250K/sec, the larger ones are 1000K/sec. The first pair are the larvae hopping around at the surface, the second pair are worms themselves, suspended in the tank water, with a few larvae zipping by.

These should all be within reach of a modem.

Quicktime gave worse quality with 10MB and 44MB files.

Be sure you dont need to eat for a while. I lost my appetite thinking of these things inside the fish.

[ Parent ]

Are those round things some sort of (none / 1) (#15)
by unclescott on Thu Feb 10, 2005 at 08:26:50 PM PST

crustacean, possibly of the group called cladocerans?

http://www.mpil-ploen.mpg.de/english/evoleco/staff/skupch.htm

shows images of a different species of Camallanus and their larvae. Notice that the larvae are still very worm like. Indeed stage one larvae are mostly tail so they can thrash around invitingly and get swallowed. They develop a functional gut later. Their first job is to get into a digestive tract.

Did find a study corroborating with your suggestion that at least sometimes behavioral stuff show that the fish may be infected.
http://www.athiel.com/lib10/drj4.htm

Passing in the feces is one of the ways to spread the larvae.
http://www.biosci.ohio-state.edu/~parasite/camallanus.html

I sent the URL for your videos to a biologist friend who understands stuff in photos which never register with me.

TTTL and ATB!
u.s.

[ Parent ]

Re: AARGH!!! !@#^%!@$# Camallanus! (none / 0) (#9)
by miskairal on Tue Feb 08, 2005 at 08:16:50 PM PST

I've seen worse :)

I chose the two smaller files, the 1.3MB file took 15 minutes (which is why I didn't try the 4MB one)and the 446k file took only 5 minutes.

Holy toledo batman, that's an awful lot of camallanus (which I've never seen before). Wow! I can't get over it and am still trying to pick up my lower jaw from the keyboard. I assumed they would be red b/c that is how it is described when coming out of the fish's rear end.

Can I link to these in the QuickLinks Peter? Will you be leaving the files there?

Thankyou for sharing that (I think)
Cheerio
miskairal
--
Repeat after me,
I will read the Immediate Help
[ Parent ]

Re: AARGH!!! !@#^%!@$# Camallanus! (none / 0) (#10)
by PeterW on Tue Feb 08, 2005 at 11:33:34 PM PST

When up close and personal, they were reddish. But most of that detail was lost with the video compression.

The little things darting around fast were very white though. The worms seemed to fade to grey after a while.

Yes, you can add them to quicklinks providing I can move them at some point, and the URL's in the posting can be updated. The location they're in was a "hmm, where can I put them quickly?" thing.

Its important to note that all the worms you see are those that abandoned ship after the two fish died. There were a heck of a lot more inside the fish still.

To give you an idea of the scale of the second recording, you can see the reflection of the 1.5-inch camera lens on the glass. The camcorder was only an inch or two away from the glass. The field of view in the image is about 2-3 inches wide. You're seeing about 5% of the tank on screen at any given time. On the other hand, the first recording is showing about 1/2 of the tank surface.

Meanwhile, my poor fish has still got them coming out. Poor poor fish. At least she's shrinking, her rear-end shape has changed considerably. The levamisole is still active it seems.

[ Parent ]

Re: AARGH!!! !@#^%!@$# Camallanus! (none / 0) (#11)
by miskairal on Wed Feb 09, 2005 at 01:08:02 AM PST

When I said I've seen worse, I meant modem speeds, btw and certainly not the camallanus ;)

Have added it to the QuickLinks.
--
Repeat after me,
I will read the Immediate Help
[ Parent ]

AARGH!!! !@#^%!@$# Camallanus! | 18 comments (18 topical, 0 editorial, 0 hidden)

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