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.
Some dogs smack their mouths when they want all the individuals around them to relax. If a dog senses tension and strain in his environment, mouth smacking could be his way of being a peacemaker. Not Feeling So Good. Mouth smacking is in many cases a sign of various health issues in canines. Since it frequently is a symptom, it is crucial to always be attentive to it. Lip smacking in dogs can indicate many ailments, including dehydration, dry mouth, kidney disease, consumption of toxic plants, liver disease, gingivitis and pre-seizures of epilepsy.