Dollar is the name of more than 25 currencies. The United States dollar, named after the international currency known as the Spanish dollar, was established in 1792 and is the first so named that still survives. Others include the Australian dollar, Brunei dollar, Canadian dollar, Eastern Caribbean dollar, Hong Kong dollar, Jamaican dollar, Liberian dollar, Namibian dollar, New Taiwan dollar, New Zealand dollar, Singapore dollar, Trinidad and Tobago Dollar and several others. The symbol for most of those currencies is the dollar sign $ in the same way as many countries using peso currencies. The name "dollar" originates from Bohemia and a 29 g silver-coin called the Joachimsthaler.
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 Characidae which are closely related to piranha and pacu. Most commonly, the name refers to Metynnis argenteus. Native to South America, these somewhat round-shaped silver fish are popular with fish-keeping hobbyists.
The grey butcherbird is a widely distributed species endemic to Australia. It occurs in a range of different habitats including arid, semi-arid and temperate zones. It is found across southern Australia, but is absent from the deserts of central Australia and the monsoon tropics of northern Australia. It has a characteristic rollicking birdsong. It appears to be adapting well to city living, and can be encountered in the suburbs of many Australian cities including Brisbane, Melbourne, Perth and Sydney. The grey butcherbird preys on small vertebrates including other birds.
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 one of the fish referred to as "silver dollars". These fish are capable of delivering serious bites to humans.
The Serrasalmidae (serrasalmids) are a family of characiform fishes, recently elevated to family status. It includes more than 90 species. The name means "serrated salmon family", which refers to the serrated keel running along the belly of these fish. Fish classified as Serrasalmidae are also known by these common names: pacu, piranha, and silver dollar. These common names generally designate differing dental characteristics and feeding habits.
Myloplus schomburgkii, also known as the Disk tetra, Disk pacu, Black-ear pacu, Black-band myleus or Black-barred myleus is a species of serrasalmid with a black bar on its side. This species is found in the middle and lower Amazon River basin, Nanay River, upper Orinoco River basin in Brazil, Peru, Venezuela and possibly in Suriname.
Myloplus is a genus of freshwater fish in the family Serrasalmidae found in tropical and subtropical South America, where they inhabit rivers and streams. They are primarily herbivores, but also take some animal matter. Depending on the exact species, they reach up to 16–56 cm (0.5–1.8 ft) in standard length. Adult males have a double-lobed anal fin and filamentous extensions on the dorsal fin, and both sexes can be brightly colored when breeding.
Cymolutes torquatus, the finescale razorfish, razor wrasse or collared knifefish, is a species of marine ray-finned fish from the family Labridae, the wrasses. It is a solitary wrasse of sandy flats which has a wide Indo-Pacific distribution. It has no recorded human uses.
Myloplus nigrolineatus is a species of freshwater fish in the serrasalmid family of order Characiformes. It is native to the Amazon River basin in South America.
Myloplus arnoldi is a medium to large omnivorous fish of the family Serrasalmidae from South America, where it is found in the Amazon, Xingu and Tocantins River basins. It can grow to a length of 33 cm (13 in). They are also called the silver dollar and are one of the fish referred to as "silver dollars". These fish are capable of delivering serious bites to humans.
Myloplus asterias is a medium to large omnivorous fish of the family Serrasalmidae from South America, where found in the Amazon River basin, as well as the north and the eastern Guiana Shield rivers. It and can grow to a length of 25 cm (9.8 in).
Myloplus levis is a medium to large omnivorous fish of the family Serrasalmidae from South America, where found in the Paraguay-Paraná River basin. It and can grow to a length of 20 cm (7.9 in).
Myloplus lobatus is a medium to large omnivorous fish of the family Serrasalmidae from South America, where found in the Amazon and Orinoco River basins. It and can grow to a length of 24 cm (9.4 in).
Myloplus ternetzi is a medium to large omnivorous fish of the family Serrasalmidae from South America, where found in the east and the northeastern Guiana Shield rivers. It and can grow to a length of 23.1 cm (9.1 in).
Myloplus lucienae is a medium to large omnivorous fish of the family Serrasalmidae from Brazil. It and can grow to a length of 33.8 cm (13.3 in).
Myloplus zorroi is a medium to large omnivorous fish of the family Serrasalmidae from Brazil.
Myloplus tumukumak is a medium to large omnivorous fish of the family Serrasalmidae from the Tumucumaque Mountain Range, in Brazil and French Guiana.
Myloplus rhomboidalis, is a medium to large omnivorous fish of the family Serrasalmidae from South America, where found in the Amazon River basin, as well as the north and the eastern Guiana Shield rivers. It and can grow to a length of 40.7 cm (16.0 in).
Myloplus planquettei is a medium to large omnivorous fish of the family Serrasalmidae from South America, where found in the Mana, the Maroni and the Essequibo Basins on the Guiana Shield. It and can grow to a length of 58 cm (23 in).
Myloplus tiete, is a medium to large omnivorous fish of the family Serrasalmidae from South America, where found in the Paraguay-Paraná River basin. It and can grow to a length of 16.3 cm (6.4 in).
