It was one of the earliest fish to be domesticated, and is one of the most commonly kept aquarium fish. A relatively small member of the carp family (which also includes the koi carp and the crucian carp), the goldfish is a domesticated version of a less-colourful carp (Carassius auratus) native to east Asia.
Causes Causes of warts and verrucas. Warts and verrucas are caused by the human papilloma virus (HPV), of which there are over 100 different types. The virus infects cells in the outer layer of your skin. Warts and verrucas can spread from person to person by direct skin contact.They can also spread by contact with floors or surfaces contaminated with the virus. Although warts are contagious, itâs thought that the risk of catching them is fairly low.arts and verrucas are usually caused by direct skin contact or contact with surfaces contaminated with the human papilloma virus (HPV). Itâs hard to completely avoid coming into contact with HPV but taking the following precautions can help prevent warts and verrucas. 1  Try not to touch other peopleâs warts or verrucas.
Warts are contagious. It is not only genital warts that are contagious; every form of warts had been discovered to be so. You only need to come in contact with an infected person and you will soon have the skin condition on your skin. It is also possible to transmit warts from one part of the body to the other.enital warts are one of the dangerous forms of warts around. The genital area if ever moist and many forms of bacteria grow there. This then brings up the possibility of the warts getting contaminated and getting infected.