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2008-10-06 18:00:19

A U.S. study suggests the common insecticide malathion can decimate tadpole populations, killing them indirectly at doses too small to kill them directly.


Latest Periphyton Reference Libraries

Hypentelium nigricans
2009-01-20 20:36:05

The Northern Hogsucker (Hypentelium nigricans) is a species of freshwater fish that inhabits the rivers of the Mississippi basin. They occur from Oklahoma and Alabama northward to Minnesota. This fish is also widely distributed in western New York, including the Finger Lakes region. It occurs in tributaries of Lake Erie and Lake Ontario as well. There are no fish found north of latitude 44°. It prefers clear, fast, shallow streams, where it can forage through pebbles for bottom life,...

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Word of the Day
cespitose
  • Growing in low tufty patches.
The word 'cespitose' comes from a Latin word meaning 'turf'.
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