For women, the adult height is about twice their height when 1.5 years old.
about 9 months
No
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.
There are no snake species that I know of that are fully grown at 18 months. Some males may become sexually mature at that age, but they still have a few years or more of growth ahead of them and are not physically mature.
It takes about 2 years for a sea lion to be fully grown.
A Male Betta will grow to about 2.5inches of body length and a Female will grow to about 2 inches of body length. A Betta is fully grown at about 6 to 8 months a Betta is very old at 30 to 36 months.
A gerbil is full grown by 6 months old and measures 7-8 inches including the tail.
They are fairly fast provided they have heaps of room and heaps of food. At 4 months old a Platty should be between 1 and 1.5 inches if it has been reared properly.
About 56 days.
They're fully grown at around 8 months of age, or up to one year of age, but they are only considered to really be an adult dog when they are two years of age.
Well, usually they are fully grown with hair at 1 year and 3-4 months
they are fully grown when they are 6 years old