Croakies are completely mature by age 4, but they can live to be around 120 years old.

A croakie is usually around 3-4 feet tall. They typically weigh anywhere from 40-50 feet. Their size is small.

A croakie has a run speed of 30 feet, climbing speed of 30 feet, and a swim speed of 30 feet.

Croakies can speak, read, and write common. Croakies can also speak croak.

There are three different types of Croakies to choose from:

Green Croakie

Water Croakie

Poison Croakie

Your dexterity score increases by 2, and you constitution score increases by 1.

Water frog types can breathe and communicate under the water.

Green frog types can use their tongues to grapple enemies up to 10 feet away. They can also use them to swing from trees, and grab small objects from 10 feet away, but may need to roll a dex check to decide if they actually hit the intended target at DM's discretion. 

Poison frog types can use their spit as a weapon. They can shoot their spit up to 30 feet. The DC saving throw for this is constitution and equals 8 + your Constitution modifier + your proficiency bonus. A creature takes 2d6 on a failed save, and half as much on a successful one. The damage increases to 3d6 at 6th level, 4d6 at 11th level, and 5d6 at 16th level.