WEBIOCOSM ZOO
Last Updated August 26, 2006
Jumping Spider
Unspecified
Here is the original post from 10/21/05:
This is a Jumping Spider (click the pic to enlarge), from the family Salticidae. When I first saw it, I thought it was a jumping spider from recent photos of similar appearing spiders, but I was not sure exactly which characteristics of the spider made it so. Here is a link to the site I used to ID this spider. This is the key part of the description: "Square-fronted cephalothorax bearing four very large anterior eyes. Legs usually short and stout with the first pair sometimes enlarged". The Wikipedia entry is also very descriptive. When I saw the family name, Salticidae, I immediately thought of a word with the same root, saltatory, as in saltatory conduction. Which is the means by which action potentials travel along myelinated nerve fibers, JUMPING from node (of Ranvier) to node.
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