Gandanameno sp. (African Black Velvet Spider)Gandanameno sp. (African Black Velvet Spider) for sale We finally have this amazing African species of true spiders back in stock! This arid species of arachnid weave small web tubes and use web to catch their food! They like it a little more dry and enjoy light mistings once a week and soil that is kept slightly past dusty dry. They should also be fed once a week as well. Get yours today.