Sponges don't stay with a mother.
8 months
dolphins need to stay with there mothers for about years.
Depends on the kind of monkey and where it is from.
3-6 years
4-5 years
a (young mountain) lion
they stay with there mum for up 2 to3 week and they go .
The young platypus stays with its mother for three to four months.
The young stay with the mother for their first 6-12 months and then set out on their own.
6 to 8 weeks
until its old enough to go out of its den
Usually between two and two and a half years.