Tarantula spiders are among the most feared animals on the planet, and with good reason. Not only are they giants as spiders go (they can reach 5 inches in length with a 12-inch leg span), but they are such stealthy and skilled hunters. The typical hunting modus operandi for tarantulas is to be patient. They lie in wait for hapless passersby and then pounce without warning, quickly subduing the prey and crushing them with their large fangs. In an especially upsetting twist, they then shower their victim's body with digestive juices and lap up the resulting fluid.