Debate Responses
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Item 1
It may seem foolish, but it is a fact well known by those who catch sea snails – “facts are stubborn things”. The snails are attracted to baited nets that are left on the floor of the ocean, and when the nets fill up, they are raised on to a fishing boat. Below [left] are photos published in the journal Scientia Marina following Pliny’s method (accessible at https://www.researchgate.net/publication/240828195_La_pesqueria_artesanal_de_gasteropodos_muricidos_Hexaplex_trunculus_y_Bolinus_Brandaris_en_la_laguna_de_Ria_Formosa_costa_del_Algarbe_sur_de_Portugal).
Images
Above [right]: an alternative method for seafloor net trap used for whelk (download mp4):
