Dugongs Dugong Marine Fauna Mini Sov. Sheet MNH Congo Wild Animals Souvenir Sheet RUSSIA 1988 ZOO ANIMAL Block

RUSSIA 1988 ZOO ANIMAL Block of 6 stamps SET MINT NH

[3] Sharks have a covering of dermal denticles that protects their skin from damage and parasites in addition to improving their fluid dynamics

Fishkeepers often keep tropical fish in freshwater and saltwater aquariums

Comoros Famous Singers Vinyl Guitar Elvis Presley Souvenir Sheet Mint NH

Dugongs Dugong Marine Fauna Mini Sov. Sheet MNH Congo Wild Animals Souvenir Sheet RUSSIA 1988 ZOO ANIMAL BlockDugongs Dugong Ocean Mini Sov. Sheet MNH The dugong ( dju ; Dugong dugon) is a medium sized marine mammal. It is one of four living species of the order Sirenia, which also includes three species of manatees. It is the only living representative of the once diverse family Dugongidae; its closest modern relative, Steller's sea cow (Hydrodamalis gigas), was hunted to extinction in the 18th century. The dugong is the only strictly herbivorous marine