Re: NANFA-L-- Hitchhikers on Hydrilla

Peter Unmack (peter.lists at)
Mon, 24 Oct 2005 18:28:19 -0500 (CDT)

On Mon, 24 Oct 2005, Hoover, Jan J ERDC-EL-MS wrote:

> A friend who cultivates aquatic plants was cleaning out a hydrilla tank this
> afternoon and found fish living in it. I came over and dipped out 20 bluefin
> killifish (Lucania goodei): two subadults and 18 half-grown juveniles. My
> guess is that a batch of eggs came in on the weeds and hatched shortly after
> the tank was planted a couple of months ago. This is the third time now that
> I have obtained bluefin killies in this manner.

That has also been recorded twice now in Arizona too where they have
turned up in places with pupfish. We always assumed they came in on
vegetation as eggs. They tend to over run and reduce pupfish numbers
which isn't good either.

Peter Unmack
Salt River, Arizona
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