Tell us about the arowanaâaka the dragon fishâand why it has become so valuable. The Asian arowana is the worldâs most expensive aquarium fish. It is a tropical freshwater fish from Southeast Asia that grows three feet long in the wild. Thatâs roughly the size of a snowshoe. [Laughs.] It is a fierce predator dating back to the age of the dinosaurs.
A personality disorder is an enduring pattern of inner experience and behavior that deviates markedly from the expectations of the individual's culture, is pervasive and inflexible, has an onset in adolescence or early adulthood, is stable over time and leads to distress or impairment.
Paediatric Psychology Network. This is the website of the Paediatric Psychology Network UK (PPN-UK), a forum for Paediatric Psychologists in the United Kingdom.We are part of the Faculty for Children and Young People, which is part of the Division of Clinical Psychology, all within the British Psychological Society.Our general aim is to promote the development of Paediatric Psychology within the UK, including professional practice, clinical governance, research and training.aediatric Psychology Network. This is the website of the Paediatric Psychology Network UK (PPN-UK), a forum for Paediatric Psychologists in the United Kingdom.