Shark liver oil: Shark liver oil is an oil obtained from the livers of sharks. It has been used for centuries as a folk remedy to promote the healing of wounds and as a remedy for respiratory tract and digestive system problems.Cuban dogfish: The Cuban dogfish (Squalus cubensis) is a dogfish, a member of the family Squalidae in the order Squaliformes. It is found in the Western Atlantic from North Carolina to Florida, in the Gulf of Mexico, around Cuba, Hispaniola, southern Brazil and Argentina.Salt gland: The salt gland is an organ for excreting excess salts. It is found in elasmobranchs (sharks, rays, and skates), seabirds, and some reptiles.Eastern shovelnose ray: The eastern shovelnose ray (Aptychotrema rostrata) is a species of guitarfish, family Rhinobatidae.http://www.Landsat 4Little skate: The little skate, Leucoraja erinacea, is a species of skate in the family Rajidae, found from Nova Scotia to North Carolina on sand or gravel habitats. They are one of the dominant members of the demersal fish community in the northwestern Atlantic.