Re: NANFA-- Native fish in Potomac River Basin
Wed, 3 Nov 1999 12:54:19 EST

In a message dated 11/3/99 12:31:46 PM, writes:

<< There's a really neat section in Jenkins and Burkhead (1993) on native
fishes of the upper Potomac. >>

What is the title of this book?

<<Actually, rock bass aren't native to the basin.
J&B also make the statement that "the only native upland freshwater fishes
present and valued as game or food were chain pickerel, white catfish,
yellow and brown bullhead, brook trout, pumpkinseed, redbreast sunfish, and
yellow perch." They then note that some of these may have only occurred
below Great Falls, which calls into question why he didn't include various
clupeids, Acipenser and Morone, which almost certainly were abundant, but
occurred only below the Falls.>>

I was refering the "upper Potomac" as the river above the falls which would
eliminate yellow perch and white catfish I think.

<<J&B also noted that Anguilla and Semotilus
also were large fish in the upper basin that may have been utilized.
Certainly the large hatchery built in DC by the US Fish Commission played a
large role in the many introductions of large piscivores into the basin.

Early collections from the Potomac and New basins in the Smithsonian (USNM)
seem to indicate that the densities weren't all that different from
contemporary habitats, but that species diversity and compositions were in
many cases drastically different.


So would one expect that fallfish and bullheads would have been present in
approximately equal biomass as smallmouth and channel catfish are today?

Point of Rocks, MD

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