How do newts hunt?

D

dani

Guest
are they scent or sight driven? other aquatic pets ive had always seemed to KNOW when food has hit the surface of the water.
 
Dani, it's a bit of both.

Anyway, I'll be moving this post soon to the General Discussion section in a couple of days, so look for it there when you don't see it here
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http://www.caudata.org/forum/messages/8/8.html?1108089184
 
<font color="ff0000">This thread has been moved here from the Fire Belly and Sword-Tail Newts discussion area</font>
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on land they hunt by sight-in water by smell, thats the basic breakdown
 
There is a nice, brief (if slightly old) review of this in Duellman and Trueb's "Biology of Amphibians". Duellman and Trueb, by the way, is a must-have reference for anyone who wants a detailed, broad reference on the general biology of amphibians.

One of the interesting things that they note is that both visual and chemical cues are used in aquatic foraging. Two studies found prey capture effeciency was highest when aquatic salamanders had both visual and chemical cues available for detecting and capturing prey.
 
With Tylototriton verrucosus I have the impression that the animals react more on movement/sight by day and more on sent during the night. By day they leave the dead prey lying , by night .. it disappears.
 
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