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.
1. Clamped Fins. The fish clamps its fins close against the its body. Experienced aquarists use this to quickly spot problems with their fish. If you see that some of your fish have clamped fins and treat your fish immediately, you can usually cure them and avoid more serious stress and disease.