>>We knew little about spiders when we got them, so we didn't know if she should handle them. She just did. We have 2 red knees, though the one posted doesn't look like other Red Knees I've seen (whose leg joints are red). It doesn't have enough red to be a Red Leg...Since you seem a lot more spider educated than I...do you think it was sold to me correctly as a Red Knee? I guess there could be a varience...
The photo you posted is a mexican red-leg; definitely not a red-knee. Painted Red Leg is another name it is sometimes known by. You may have been confusing pictures of firelegs with the redlegs when thinking there was not enough red - firelegs have a lot more red than the redlegs. flameknees on the other hand are the ones sometimes confused with the redknees.
Mexican red-leg: Brachypelma emilia
Mexican fireleg: B. boehmei
Mexican red-knee: B. smithi
Mexican flameknee: B. auratum
Many of the brachypelmas are good starter spiders. They are generally docile, though you do wind up with skittish/nervous inviduals. Some have no problem being handled, while others disklike it. If the spider is calm, not threatening and rearing and exposing fangs... you should have a decent individual.
Personally, I think the brazilian blacks, Grammostola pulchra, are among the most docile, but their availability in the pet trade is still spotty at times.
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PHWyvern