4. AUSTRALIAN FUNNEL WEB SPIDERS
Why It's Scary: Funnel spiders boast large fangs that can easily cause painful bites with a long list of side effects. At their worst, these spider bites can lead to death.
Scary Spider News: These large-bodied beasties have been invading Australian cities and getting aggressive over the past few years. Recent news reports have been warning parents to keep their eyes out for the spiders, since their bites can be especially lethal to children. (Belfast Telegraph)