Most people keep discus in 400 litres and more so that they can grow big. As a baby, discus will secrete a hormone that stops them from growing. If your tank is too small, the hormone will build up and you will end up with stunted fish. Also, a bigger tank is easier to keep stable.
Definition of lipâsmacking. 1  1 : causing the lips to smack in eager anticipation or in delight lip-smacking recipes lip-smacking desserts. 2  2 : excitingly sensational or provocative fervid, lip-smacking stuff â Alexandra Jacobs. 3  3 : markedly gratifying boasted with lip-smacking satisfaction â Sports Illustrated.
uk â /ËstÉªf ËÊp.É ËlÉªp/ us â /ËstÉªf ËÊp.É ËlÉªp/. âº Someone who has a stiff upper lip does not show their feelings when they are upset: He was taught to keep a stiff upper lip, whatever happens. Thesaurus: synonyms and related words. Not showing or feeling emotions.