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.
Salivary gland tumors are possible causes of tiny lumps on the inside of the cheek, according to Merck Manuals. Oral cysts may also cause tiny, painless bumps inside the cheek, on the inner lower lip or on gums, says Simple Steps to Better Dental Health. Keep Learning.