World's largest freshwater fish caught? Scientists working with Jeff Corwin for ABC's show Ocean Mysteries say they caught a 600-800 pound giant stingray in Thailand which may be the world's largest freshwater fish ever caught. U.S. Edition.
Seizures in Yorkie Terriers can be a sign of health Problems. When Yorkshire terriers experience seizures, it is sign that the dog is experiencing some health problems. The Yorkie is a small breed and are more risk of health problems than other breeds. The disorders can develop fast.
One particular type of seizure is called a gelastic seizure and is quite different from what you may expect. Causes and Results of Gelastic Seizures. A gelastic seizure (like all seizures) happens when the brain's electrical activity intensifies. In a gelastic seizure, the brain's overactivity causes what looks like a laughing fit. The facial expression of someone experiencing a gelastic seizure can range from smiling or grinning to a frowning or angry appearance.