A dentist is the health care professional who specializes in the diagnosis, prevention, and treatment of diseases and conditions of the oral cavity (including the teeth, gums and other soft and hard tissues of the mouth). Dentists, also known as 'dental surgeons', help us maintain a bright healthy smile.
The dogfish sharks are classified in the phylum Chordata Chordata, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development.
Order: Squaliform. Dogfish sharks are the second largest of shark orders with 119 species. Dogfish come in all shapes, sizes, and colors and they live in almost every ocean habitat and depth.ogfish sharks are an excellent example of the exciting biodiversity that can be found among sharks! Photo Gallery. With over 100 species, Dogfish literally come in all shapes and sizes.