Strange, awkward bargelike crafts with spindly legs that lift them clear of the water[…]

Makes it assured of acceptance.

A recent study of shell-shape in the dog whelk Nucella lapillus along the Bristol Channel suggests - that in progressively less saline conditions the species lives in a colonising situation, where periodic food shortages, rather than physiological limitations, decimate populations and sometimes lead to local extinction.

The argument grew heated and teammates grabbed the pair to prevent them from coming to blows.