Answer:
What has a horn but does not honk?
It can be white or blue or black, Humped or have a horn. And when it talks it sings its menuets, as it's travelling the depths.
I am small and green and hop around. I start my life with a tail but lose it as I grow. What am I?
It is probably the most laidΒ-back member of the animal kingdom.
I am a predator with a strong jaw. I live in water and have lots of sharp teeth. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?