Question: what is the difference between a spider and a tarantula?
Answer: A tarantula is a large spider in the infraorder Mygalomorphae. ... Chiefly, their fangs point down, whereas the fangs of true spiders join in a pincer-like arrangement. Some mygalomorphs are small or even tiny, but you'd never apply the word "tarantula" to one that wasn't big and robust.