We had two gerbils for two and a half years. Apparently, around two to three years is the approximate maximum time for small rodents to live for. Therefore I estimate that a mouse may be fully grown between 6-9 months of age. Only a guess though. Hope it helps. =Answer= my mouse stopped growing at the age of about 6-8 weeks they grow really fast then they just get fat as they get older
they are fully grown at about six months
Most dogs are fully grown at about 1 year of age.
At one and a half years she should be fully grown.
no. a maltese is fully grown at one year of age
Koalasare fully grownby their third or fourth year.
tigers are fully grown at 2.5 to 5 years of age but may vary between species.
I have heard that they are never full grown.
at 6 months old toy poodles are fully grown but they are classed as adults at the age of 1 year.
A marmoset monkey is fully grown at 15 months of age. They are already sexually mature at this age but are unable to breed until they are dominant.
a bearded dragon are usually fully grown at 3-4 years.
How would you know it wasn't fully grown? It is most likely that it will not get noticeably larger.
around age 20
At about 2-4 years
about 9 months
At age four to five years.
at about 18 months
99 years old
At age 19-20
She's immortal and was born fully grown.