I'm really not seeing fluid motion in any direction. I'm seeing a fish explode to disassembly and reassemble pointing the other way. I see the rotation when th

I'm really not seeing fluid motion in any direction. I'm seeing a fish explode to disassembly and reassemble pointing the other way. I see the rotation when there's the great big opaque cylinder in the middle of it, but it doesn't last after the cylinder is removed -- it reverts to explody fish.