The silvertip tetra (''Hasemania nana'') is a species of
characid
Characidae, the characids or characins is a family of freshwater subtropical and tropical fish, belonging to the order Characiformes. The name "characins" is the historical one, but scientists today tend to prefer "characids" to reflect their sta ...
freshwater fish
omnivores
An omnivore () is an animal that has the ability to eat and survive on both plant and animal matter. Obtaining energy and nutrients from plant and animal matter, omnivores digest carbohydrates, protein, fat, and fiber, and metabolize the nut ...
native to streams and creeks in the
São Francisco basin in
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
, but frequently kept in
aquariums
An aquarium (plural: ''aquariums'' or ''aquaria'') is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, a ...
.
[ Silvertip tetras are slightly more aggressive than other comparable smaller ]tetra
Terrestrial Trunked Radio (TETRA; formerly known as Trans-European Trunked Radio), a European standard for a trunked radio system, is a professional mobile radio and two-way transceiver specification. TETRA was specifically designed for use by ...
s, observed occasionally to nip other similarly sized tetras.
Description
This small fish reaches up to in standard length.[ The tetras are transparent with their gold colors and have a black stripe that runs along the mid to back section of their bodies. The males have brighters colors compared to the paler females. They are a social species of fish that can become territorial. They usually enjoy being with a school of their own kind.
The fish thrive in temperatures that range from 72°F - 82°F (22°C - 28°C). They live in slightly acidic waters that range from a pH of 6.0 - 8.0. They are common to find in pet stores and are relatively easy to care for. They can be affected by parasites and infections.
When they are preparing to breed, the male will be brightly colored while the female will be swollen. When they breed, the female scatters their eggs among vegetation while the male fertilizes them. The species have been known to eat their own eggs. The eggs will hatch after 1 and a half days.]
References
External links
Aquatic Community
{{Taxonbar, from=Q855167
Pristellini
Freshwater fish of Brazil
Tetras
Taxa named by Christian Frederik Lütken
Fish described in 1875