Aquarium guide
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| Physas |
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Physas
Their spiraled shell is markedly less elongate than that of Malayan snails and
they are also slightly bigger. They do not play an important role in the control
of unwanted algae. As they reproduce rapidly, it is best not to introduce them into
an aquarium. Size: 1-2 cm.
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ХУАНШИ , город в Центр. Китае, в пров. Хубэй. 458 тыс. жителей (1990). Порт на р. Янцзы. Металлургия, химическая, цементная промышленность. В районе - добыча железной руды (Дае), цветных металлов, известняка, угля.