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Discus Page Holland • View topic - Black Worms

Black Worms

Collected here are articles on food, nutrition and culturing of live foods.

Black Worms

Postby Fred Goodall » Tue Sep 12, 2006 2:09 am

[/color]
Carolina Tips 1996
Charles D. Drewes, PhD

Department of Zoology and Genetics
Iowa State University
Ames, IA 50011



Image
Figure 1 The California blackworm, Lumbriculus variegatus

Last edited by Fred Goodall on Tue Sep 12, 2006 4:29 am, edited 3 times in total.
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Postby Fred Goodall » Tue Sep 12, 2006 2:38 am



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Postby Fred Goodall » Tue Sep 12, 2006 3:14 am





Image
Figure 2 (a) Image of newly regenerated head and tail ends from a 16-segment -long fragment.

Image
Figure 2 (b) Enlarged image of newly regenerated head.


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Postby Fred Goodall » Tue Sep 12, 2006 3:20 am





Image
Image
Figure 3 Freeze-frame video images of clockwise (a) and counter-clockwise (b) twist of body during corkscrew swimming in a small specimen (arrow indicates direction of worm's forward movement). Elapsed time = 0.1 sec. 10x actual size.

Image
Figure 4 The worm's tail at water surface
(side view).




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Postby Fred Goodall » Tue Sep 12, 2006 4:06 am





Image
Figure 5 (a) Image of pulsation waves in dorsal blood vessel.


Image
Figure 5 (b) Image of lateral branches of the dorsal vessel.







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