It depends on how much protein and vitamins are in the food they can access in that part of the river.
If a guppy has plenty of protein and vitamins it becomes very colourful and healthy. If not they can be quite dull in colour.
It also depends on what colour their mother and father were. If its father was blue and its mother was red, it will most probably grow to be either blue or red or maybe both.
most fish will even guppies will eat other guppies it is a risk all ways
Guppies are guppies are guppies. Tiger just describes their colouring/markings. They are the same in temperament as any other guppy.
Actually the guppies probable aren't stressing him out unless you can physically see it. Most likely your water is way off balance! That will stress him out enough to do that. But if the guppies are stressing him out, then he will lose his colors to.
It is not fighting. It is competition.
eats i belive it is also a way of comunicating with other guppies
because they are playing around yum.
There is nothing found online about color opens or using color opens over each other to get different colors. However, mixing different colors can make different colors.
Adult guppies eat their own babies, and fish like tuna eat guppies.
Guppies are livebearers, And they don't lay eggs.
Guppies are livebearers. So they don't lay eggs. Male guppies WILL eat their own baby guppies. They will eat any baby guppy they see. It doesn't matter if it's their own or some other guppies'. Male and female guppies eat baby guppies.
Fish that have long, wavy fins should not be put with guppies, because guppies will nibble their long fins. Also, many bigger fish will eat guppies. Keep a separate tank with guppies and a few "cleaner" fish, which do not harm guppies.
Probably because she has had enough driving from the other guppies or because she is due to release her young.