Hapalothrix larvae live in raging waters, where no enemy can catch them. Six suction cups provide them with footing there.

Walkers in white water

One would think that the place where the mountain stream thunders down from the cliffs high above and dances foaming over the rocks would be no place for living organisms. However, larvae of a net-winged midge stroll about here on the slippery rocks, like some kind of microcow grazing on a lawn of algae.

Sulzer Technical Review, Issue 03/2011
Author(s): Herbert Cerutti
Division: Sulzer Ltd.

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