I have 10 guppie fry in a breeding trap?

Question

How long untill they are adult size they are still tiny 4mm approx but they have been in there for 2-3 months and maybe only got 1/2mm longer!

Answer 1

4 more months till they are adult.

Answer 2

usually they are mature at about 4 to 5 months but it really depends on the living conditions.  If you keep them in small space they grow much slower.  They also need warmer water than the adults and high protein foods to reach optimum size.

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Answer 3

I suspect you aren't feeding them enough.

The small space in the net isn't really the problem as they have the same water as the rest of the fish and the space is still big compared to their size.

Try feeding them tiny amounts, but about 5 times per day. They can only eat a small amount, but need to do it often if you want them to grow.

They should be big enough to go with the adult guppies after maybe a month.

Ian