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Silver dollar is a common name given to a number of species of fishes, mostly in the genus Metynnis, tropical fish belonging to the family Serrasalmidae which are closely related to piranha and pacu. Most commonly, the name refers to Metynnis argenteus .
Metynnis argenteus is a species of serrasalmid fish endemic to the Tapajós River Basin in Brazil.It is one of the species known in the aquarium trade as the "silver dollar". M. argenteus is generally considered the archetypal silver dollar, although it and the very similar M. hypsauchen frequently have been confused.
Silverfish. Lepisma saccharifera Mohr, 1786 (missp.) The silverfish (Lepisma saccharinum) is a species of small, primitive, [1] wingless insect in the order Zygentoma (formerly Thysanura). Its common name derives from the insect's silvery light grey colour, combined with the fish-like appearance of its movements.
Silver arowana. The silver arowana (Osteoglossum bicirrhosum) is a South American freshwater bony fish of the family Osteoglossidae. Silver arowanas are sometimes kept in aquariums, but they are predatory and require a very large tank. [2] The generic name Osteoglossum means "bone-tongued" and the specific name bicirrhosum means "two barbels ...
The term "sand dollar" derives from the appearance of the tests (skeletons) of dead individuals after being washed ashore. The test lacks its velvet-like skin of spines and has often been bleached white by sunlight. To beachcombers of the past, this suggested a large, silver coin, such as the old Spanish dollar, which had a diameter of 38–40 mm.
The redhook myleus, Myloplus rubripinnis, is a medium to large omnivorous fish of the family Serrasalmidae from South America, where found in the Amazon and Orinoco basins, as well as rivers of the Guiana Shield. It is peaceful and schools often, and can grow to a length of 39 cm (15 in). They are also called the redhook silver dollar and are ...
Psettus rhombeus (Forsskål, 1775) Monodactylus argenteus is a species of fish in the family Monodactylidae, the moonyfishes. Its common names include silver moonyfish, or natal moony, [2] butter bream, and diamondfish. [3] It is native to the western Pacific and Indian Oceans, including the Persian Gulf, Red Sea, and associated estuaries, such ...
A Rare Silver Dollar Is Worth Big Bucks on 'Pawn Stars'. On "Pawn Stars" Rick Harrison had to spend a pretty penny ... to get a pretty silver dollar. A 1922 High-Relief Proof Coin to be exact. A ...