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They have metallic green fangs scientists believe this is used to distinguish them from accidentally eating eachother. They also do an interesting dance when they meet each other.

Wooooooow,this is really amazing, I'm getting more and more curious about this spider, if we were neighbors I would visit your house, hahahah.

All the different species of jumping spiders do the dance. If you bring a mirror with you and show them their reflection they will start dancing. Hopefully I can catch this behavior on video.

thanks for the new knowledge, it is very useful for me,