![]() ![]() ![]() The first scientific description of an x-ray tetra dates back to 1894, by American marine biologist Albert Ulrey, though the fish was originally known under different scientific names, including Pristella riddlei.X-ray tetras have been popularly kept as fish tank pets, as they are attractive and quite resilient, however they are a schooling fish and as such it is best if they are kept in groups of at least six.X-ray tetras have what is known as a ‘Weberian apparatus’, a group of tiny bones that act as a sound amplifier, and as a result, the fish are able to hear very well, allowing them to speedily move away from predators.Female x-ray tetras produce from 300 to 400 eggs at a time during the wet season, which they lay among plants in the water, and the eggs can hatch from 24 hours onwards.X-ray tetras have a diet that consists of insects, crustaceans and worms, that are scavenged from the bottom of their river and swamp environments and sometimes they feed on aquatic plant material.The length of x-ray tetras ranges from 3 to 5 centimetres (1.2 to 2 inches), and they generally have a lifespan of 3-5 years in the wild. The x-ray tetra (Pristella maxillaris) is a small species of schooling Fish that is naturally found in the Amazon Rivers coastal waters in South America. ![]() X-ray tetras are notable for having a mostly transparent body, with their internals a shiny silver-gold colour and fins coloured black, white and yellow.The scientific name of an x-ray tetra is Pristella maxillaris, from the family Characidae, the family of characids, and it is the only species of its genus. X-Ray Pristella Tetra (Pristella maxillaris) overview - X-Ray Pristella Tetra has a captivating color pattern that adds another dimension of interest.‘X-ray tetras’ are also known as ‘x-ray fish’, ‘water goldfinch’ and ‘golden pristella tetra’.X-ray tetras are a species of freshwater fish, native to some of the waterways of northern South America including the Amazon region.Take more than a scan over these x-ray tetras. Pristella maxillaris, the only species in the genus Pristella, is commonly known as the X-Ray fish or X-Ray Tetra because of its translucent body. ![]()
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