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.
It looks like she's licking the air, but the tongue doesn't really leave her mouth; like it's licking it's lips. I notice it a lot more when our 1 yo dog is around her. So I... show more I've noticed at times our cat (~4yo domestic long haired tabby) at times does this lip smacking/short licking motion. It looks like she's licking the air, but the tongue doesn't really leave her mouth; like it's licking it's lips. I notice it a lot more when our 1 yo dog is around her. So I...