![]() Weight variations in females were found related to their reproductive cycle. ![]() Snail population was characterized by being small sized and in high densities. Extracting the purple dye from certain sea snails, such as the Tyrian purple, was an expensive and time-consuming process, making it accessible only to the affluent and elite. In December 2006 and September 2007 a larger frequency of recruits was shown. The main reason for the declining snail P. Recruit- ment occurred for the entire year. Averaged weight was 1.99 g, females showed a coefficient of variation in weight of 96.53%. The best represented sizes in females were from 10.5 to 28.5 mm and in males 13.5 to 28.5 mm. pansa population structure in Costa Chica of the State of Guerrero based in density, sex ratio, size and weight, besides to realize observations on mating and recruitment, for which quarterly sampling was made during an annual cycle in three beaches. This snail inhabits the rocky intertidal zone of Mexican Pacific, is found attached to rocks in crevices and holes. Updated on 3 minute read SUMMARY Purple, which is best known as Tyrian Purple, is a unique dye drawn from the murex shellfish, initially manufactured by the Phoenician city of Tyre. Plicopurpura pansa is a cultural resource with economic importance since ink can be extracted from it to dye clothes.
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