2016-12-16T09:26:42-05:00. A because when the little fish die they sink to the bottom, and after time the skeletons build up on top of each other.
How do you get a cyst inside of your lip? A white bump or mucous cyst forms on the lip when the salivary glands get blocked. This is caused by any trauma to the oral cavity due to cheek or lip biting, poor dental habits, or piercings, states Healthline.
Causes of bumps on lips. Lip bumps have mild to serious causes. Here are some of the most common causes: 1  Cold sores-These are infections caused by HSV-1 (herpes simplex virus 1). 2  Otherwise known as oral herpes, cold sores are characterized by oral blisters either on the lip surface or the inside walls of the mouth.