Real Vampires in Nature. The Sea Lamprey is one of several vampiric creatures that feed on the blood of other animals. This vampire animal attaches itself to other fish and animals in the water using its sucker like mouth and tiny teeth to bore itself into the flesh. Using a sharp tongue, it then cuts a hole into its victims skin and sucks its blood and fluids from the body.The sea lamprey has currently over populated the Great Lakes and hundreds of thousands of dollars are being spent to decrease their populations as this invasive species is becoming a threat to the native species in the waters.(youtube.com)Bakudaily.az