Answer:
I have legs but never walk, I may have flowers but no soil, I hold food but never eat.
I hide but my head is outside.
It's the only vegetable or fruit that is never sold frozen, canned, processed, cooked, or in any other form but fresh
It is worldwide, but once only a spider could weave one
In the evening I'm long, in the morning I'm smallΝΎ When seen in a ballroom, I'm nothing at all.
Often cooked as fillet, this meat comes from an animal that swims underwater.