A normal length for a fully grown Betta male is around 2 inches excluding the tail fin.
How heavy can a chinchilla become (weight and size)
4 inches
it depends how big the rat is, when it is fully grown it can get to about 15- 20 cm depending on its gender
A fully grown gerbil can be up to 8 inches long, including the tail, which makes their actual main body about half that length.
The African lion can be 8-10 feet long (not including the tail), so standing up, it would obviously be 8-10 feet long.
A gerbil is full grown by 6 months old and measures 7-8 inches including the tail.
A fully-grown Bearded Dragon CAN be as much as 14 inches nose-to-tail. It's rare for them to get to that size though - the 'norm' is around ten inches.
A full-grown average rabbit can weigh between 2 to 10 pounds, depending on the breed.
It can range from about a 3 foot long cub and a 8 foot long adult
It depends on the age and species of whale.
When full grown they are 7-8 inches long including the tail. By 6 months old they are full grown usually earlier.