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→Snail biology
==Snail biology==
==Snail biology==
[[Image:Lymnaea truncatula.jpg|thumb|right|150px|''Lymnaea truncatula'' - Francisco Welter Schultes, Wikimedia Commons]]
[[Image:Lymnaea truncatula.jpg|thumb|right|150px|''Lymnaea truncatula'' - Francisco Welter Schultes, Wikimedia Commons]]
=== ''Lymnaea truncatula'' ===
''Lympnea truncatula'' is around 5-10mm long. It has a distinctive brown-black shell, with 5-6 spirals present on the outer surface. The first spiral is approximately half the total length of the snail.
''Lympnea truncatula'' is around 5-10mm long. It has a distinctive brown-black shell, with 5-6 spirals present on the outer surface. The first spiral is approximately half the total length of the snail.