Answer:
My first is in ocean but never in sea. My second's in wasp but never in bee. My third is in glider and also in flight. My whole is a creature that comes out at night.
The strangest creature you'll ever find: Two eyes in front and many many more behind.
I am slow and carry my house wherever I go but I am not a turtle. I leave a slimy trail behind me. What am I?
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 known for my beautiful mane and people ride on my back. What am I?
Often cooked as fillet, this meat comes from an animal that swims underwater.