The bloodfin tetra is a type of tropical fish

Tropical fish

Tropical fish include fish found in tropical environments around the world, including both freshwater and salt water species.Tropical fish are popular as aquarium fish, due to their often bright coloration...

. The bloodfin is a comparatively large tetra, growing to 5.5 cm. Its notable feature (as the name suggest) is the blood red colouration at the tail, dorsal, anal and adipose fin

Fish anatomy

Fish anatomy is primarily governed by the physical characteristics of water, which is much denser than air, holds a relatively small amount of dissolved oxygen, and absorbs more light than air does.- Body :...

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Bloodfin tetras are extremely hardy, making them popular with novice fish keepers.
Bloodfin tetras can be recognized because of their colorful fins. The fins of this fish are red in color while the body is silver in color.
Bloodfin tetras are typically kept in schools of five or more.

They swim mainly in the upper and middle water layers and are highly sociable fishes, mixing well with other types of tetra

Tetra

thumb|right|250px|Pristella tetra — [[Pristella maxillaris]].thumb|right|250px|Golden Pristella tetra, a [[morph |morph]] of [[Pristella maxillaris]].thumb|right|250px|[[Silvertip tetra]] — Hasemania nana....

 and tropical fish in general, and so are therefore well suited (like many other tetras) to a community tank

Community tank

Community aquaria are tanks that are designed to contain more than one species of fish. Most commonly they include a variety of species that do not normally occur together in nature, for example angelfish from Brazil, swordtails from Mexico, and gouramis from South East Asia...

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