freshwater mussel, swan mussel valves, Anodonta cygnea, Unionidae
Schlüsselwörter
aquatic,
bivalve,
mollusc,
shell,
thin,
large,
elongated,
oval,
brownish,
grow,
inner,
river,
lake,
terni,
umbria,
italy,
smell,
fisherman,
bait,
daylight,
sunlight,
privies,
shore,
winter,
internal,
filtration,
siphon,
animal,
zoology,
organic,
filter,
nature
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