Mating is usually the only thing they do together. After they do their thing, the female lays some eggs. The eggs are in a silken egg sack. Brazilian wandering spider babies hatch within two weeks. When they do hatch, it probably looks like a spider zoo.
Silk comes from spinnerets.
They produce the silk. Almost all spiders have similar bodies. Brazilian wandering spiders are no exception. One small difference is that this spider has stronger venom than most spiders. These are ten body parts that are important to a spider.