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Dictionary » S » Snails

Snails

snails

marine, freshwater, or terrestrial mollusks of the class gastropoda. most have an enclosing spiral shell, and several genera harbor parasites pathogenic to man.


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some clues from animal kingdom

"Some species, such as some snails, practice sex change: adults start out male, then become female (See also sex reversal). In tropical clown fish, the dominant individual in a group becomes female while the other ones are male, and ...

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by surgeongirl
Wed Sep 11, 2013 6:44 pm
 
Forum: Evolution
Topic: Gender divison in two opposites is greatest mistake of manki
Replies: 22
Views: 5903

How can i asses the parasie loading of littorina littoria?

If it's in snails, can't you simply use many of them and cut few of them at each time point?

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by JackBean
Thu Feb 28, 2013 3:40 pm
 
Forum: Zoology Discussion
Topic: How can i asses the parasie loading of littorina littoria?
Replies: 7
Views: 2742

Re: How can i asses the parasie loading of littorina littoria?

Your species has an operculum and is marine, so I'm not sure if this would work. We used to collect freshwater snails to see if they had schistosomes. The snails would release cercariae when transferred to a vial of water. We could then see the released cercariae when the vial ...

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by marineman
Sun Feb 24, 2013 1:36 pm
 
Forum: Zoology Discussion
Topic: How can i asses the parasie loading of littorina littoria?
Replies: 7
Views: 2742

Re: How can i asses the parasie loading of littorina littoria?

Your species has an operculum and is marine, so I'm not sure if this would work. We used to collect freshwater snails to see if they had schistosomes. The snails would release cercariae when transferred to a vial of water. We could then see the released cercariae when the vial ...

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by wbla3335
Fri Feb 22, 2013 9:33 pm
 
Forum: Zoology Discussion
Topic: How can i asses the parasie loading of littorina littoria?
Replies: 7
Views: 2742

Cone snail

... of them to be exact) off the coast of Rhodes. I identified it as a cone snail, perhaps Conus ventricosus or similar. I've understood that all cone snails are predators and venomous. They have a barbed stinger that they use to poke at their prey or enemies. However, what happened with this snail ...

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by biohazard
Tue Jun 05, 2012 9:47 am
 
Forum: Zoology Discussion
Topic: Cone snail
Replies: 4
Views: 3772
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