There are dozens of fish Species classed as Tetras (far too many to list here) and no doubt there will be more discovered as research goes on.
grouping tetra fish swim is schools of their own kind.even though they are a peaceful type having more than 2 schools might cause a conflict between themselves and this will result is shortened life span
cholestrol a tetra cyclic lrge molecules contains three types of atoms ,carbon, hydrogen and oxygen.
Question is not clear. Do you mean: "What types of tetra fish are there?" Neon, black neon, black, headlight-taillight, bleeding heart, carninal, glow-lite, to name a few, and there are many others.
Tri - is three, tetra is four and penta would be five.
There are so many different types because they are all used for different purposes in different situations.
there are many different types
There are many different types of scientists because one person could not handle all the information of geology, astrology, and other types of science. Since there are numerous types of sciences, there has to be many different types of scientists, so there are many different scientists because there are many different sciences.
there are 26 known aquarium tetra fish breeds
A tetra-decagon is a 14 sided polygon having 77 diagonals
There are 15 types of different types of sharks.
there are 19 different types of clutch
there are 3 different types of plastids