Answer:
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.
It has 8 arms and lots of ink but can't write a word.
What fish came first?
What is that which, while it lives, constantly changes its habit, that is buried before it is dead, and whose tomb is valued wherever it is found?
What can honk without a horn?
What is always coming but never arrives?