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.
My first is in window but not in pane. My second's in road but not in lane. My third is in oval but not in round. My fourth is in hearing but not in sound. My whole is known as a sign of peace. And from Noah's ark won quick release.
In all the world, none can compare, to this tiny weaver, his deadly cloth so silky and fair.
When it was young, it had a tail. When it grew up, it had knees
I can change color to match my surroundings and I can move my eyes in different directions at the same time. What am I?
you hold my tail while I fish for you