New Records of the Crystal Darter (Crystallaria asprella) in the Middle Mississippi River
The American Midland Naturalist(2005)
摘要
We document the first known occurrences of the Crystal Darter (Crystallaria asprella) in the middle Mississippi River (MMR). Two young-of-the-year specimens were collected, the first on 6 June 1998 at river mile (RM) 78 and the other on 9 June 2004 at RM 55. Both specimens were collected in side channels at depths of 1 m and 5.4 m, respectively.
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