Varicella-zoster is part of the herpesvirus family. This group of viruses includes the herpes simplex virus (HSV) that causes cold sores, fever, blisters, genital herpes (a sexually transmitted disease), and the Epstein-Barr virus involved in infectious mononucleosis.einfection with the varicella-zoster virus -- the same virus that causes chickenpox -- is what causes herpes zoster. Herpes zoster (also known as shingles) has only one cause.
The primary shark predators of bottlenose dolphins are the bull shark, tiger shark, dusky shark and great white shark. Shark bite scars on dolphins indicate that sharks typically attempt to ambush dolphins from behind and below. Some researchers think that shark attacks may not even be an attempt to eat a dolphin.
Bottlenose dolphins are a very social species, and will often work as a team to maximise their harvest. To hunt larger fish, the bottlenose dolphin will stun the fish by using its tail fluke to throw the fish out of the water and catch the prey in its mouth. Even though bottlenose dolphins have teeth, they do not chew their food. They will swallow small fish whole, or break up larger fish by shaking them, or rubbing the fish on the ocean floor. Bottlenose dolphins can live for up to 50 years. They reach sexual maturity at around 10 years of age, and mate all year round.