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.
1 Mucocele â these are common and are caused by rupture of a salivary gland duct and mucin spillage into the surrounding tissues. 2  Usually they are caused by trauma. 3  Classically, a mucocele is blusish and fluctuant, and most commonly occurs on the lower lip.