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.
First, goldfish are exothermic, as are all fish. Their body temperature is determined largely by the temperature of the surrounding water. They absorb energy from the water (and to a far lesser extent, from sunlight) and they release energy back into the water.oldfish in aquariums kept at 75 degrees will probably eat five to 10 times more fish food per month than goldfish kept at 58 degrees. Second, temperature directly affects other physical and chemical properties of water, which in turn affect the fish. Warmer waters hold lower concentrations of oxygen.