Global Short Term Trend: Relatively stable (=10% change)
Comments: Extent of occurrence, area of occupancy, number of subpopulations, and population size probably are relatively stable or declining at a rate of less than 10% over 10 years or three generations.
Global Long Term Trend: Increase of 10-25% to decline of 30%
Comments: In Louisiana, after the 1960s and early 1970s, blacktail shiners disappeared from several locations and abundance declined in other sites coincident with a range expansion and abundance increase in Cyprinella lutrensis (Douglas and Jordan 2002).
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