@mistermonster They do come in a variety of colors, but I just preferred the one. The different colored varieties are still the same, however: "There are a variety of species in this genus and abdomen colors vary from red, orange and yellow to white and ivory. Spines are black or red."
@mistermonster I am not certain, but "As of November 2021, the genus Gasteracantha contains 69 species and 18 subspecies" ..this article has some info and lists each one: