Brachypelma Smithi (ex annitha) (Mexican Giant Red Knee Tarantula) MALEBrachypelma smithi (ex annitha ) (Mexican Giant Red Knee Tarantula) for sale The B. smithi was one of the first species on the scene of the tarantula hobby and it does not disappoint. The "True Smithi" used to be anitha and is similar to the other species known as the "Mexican Red Knee": the B. hamorii. These 2 species were seemingly one species that became separated by a river in Mexico causing them to diverge and form two different species that are