Our first blue species is the cobalt blue tarantula (Cyriopagopus lividus). Unfortunately, little is known about the ecology and habits of all of our three popular species and most of what is ...

Season 1, Episode 2 Greenbottle Blue Tarantula First Aired: January 16, 2020 ...

Of the 900 known tarantula species, only about four percent have any blue coloring, says Sarah J. Kariko, an arachnologist at Harvard University. (Learn why science still can’t explain blue ...

A greenbottle blue tarantula (<i>C. cyaneopubescens</i>) on a branch. Despite its name, saturated, bright green color rarely occurs in tarantulas. This material relates to a paper that appeared in ...

While black, green, yellow, and red have been seen before, this was the first in blue. Further study after the discovery has revealed this hue can be seen in at least eight different species.

But despite their reputation and creep factor, some tarantulas are more festive than you'd expect -- some, in fact, are bright blue and green.