The northern riffleshell (Epioblasma torulosa rangiana), is a subspecies of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. This subspecies is endangered. This species was formerly found widely in the Ohio River basin, but now the population is fragmented into only three viable groups. This river mussel needs gravel river beds and swift-flowing, well-oxygenated water. The reduction in range seems to be principally due to damming and the consequential silting up of rivers below the dam and competition from zebra mussels.
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| - Northern riffleshell (en)
- 行瘤前嵴蚌 (zh)
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| - The northern riffleshell (Epioblasma torulosa rangiana), is a subspecies of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. This subspecies is endangered. This species was formerly found widely in the Ohio River basin, but now the population is fragmented into only three viable groups. This river mussel needs gravel river beds and swift-flowing, well-oxygenated water. The reduction in range seems to be principally due to damming and the consequential silting up of rivers below the dam and competition from zebra mussels. (en)
- 行瘤前嵴蚌(学名:Epioblasma torulosa rangiana)是一種瀕危的淡水蚌。牠們以往廣泛分佈在俄亥俄河盆地,但現已分散在三個位點中。 行瘤前嵴蚌需要在有砂礫河床及湍急流水的河流生存。牠們的減少似乎與興建水壩及與斑馬紋貽貝競爭有關。 (zh)
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| - Northern riffleshell (en)
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| - Epioblasma torulosa rangiana (en)
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| - The northern riffleshell (Epioblasma torulosa rangiana), is a subspecies of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. This subspecies is endangered. This species was formerly found widely in the Ohio River basin, but now the population is fragmented into only three viable groups. This river mussel needs gravel river beds and swift-flowing, well-oxygenated water. The reduction in range seems to be principally due to damming and the consequential silting up of rivers below the dam and competition from zebra mussels. (en)
- 行瘤前嵴蚌(学名:Epioblasma torulosa rangiana)是一種瀕危的淡水蚌。牠們以往廣泛分佈在俄亥俄河盆地,但現已分散在三個位點中。 行瘤前嵴蚌需要在有砂礫河床及湍急流水的河流生存。牠們的減少似乎與興建水壩及與斑馬紋貽貝競爭有關。 (zh)
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