In order to get the best car deal, buy a car toward the end of the year, as in October, November or December, said Benjamin K. Glaser, features editor for DealNews.com, a website devoted to coupons and deals across the web. However, end-of-model year doesn't always mean the end of the calendar year.
Nordgreen said that the behavioural differences they found in response to uncomfortable temperatures showed that fish feel both reflexive and cognitive pain. The experiment shows that fish do not only respond to painful stimuli with reflexes, but change their behavior also after the event, Nordgreen said.
Fish do make sounds, but they don't have vocal cords. There are many ways fish make sounds. See summary in link below. Fish also communicate with movements, colors and phermones (chemicals released into the water). Their lateral line organs allow them to hear sounds and also to sense the movement of water.