Re: NANFA-- Noturus flavus or insignis?

Christopher Scharpf (
Tue, 02 Sep 2003 22:54:53 -0400

Adult flavus exceed 7". No other Noturus gets that big.

In insignis, the dorsal, anal and caudal fins are black-margined. Fins are
clear in flavus.

Hope this helps.

Chris Scharpf

> From: "Sharon L. Swope" <>
> Reply-To:
> Date: Tue, 2 Sep 2003 20:42:55 -0400
> To: <>
> Subject: NANFA-- Noturus flavus or insignis?
> I have a breeding pair of "Stone" catfish. The person who gave them to me
> simply referred to them as "Stone" cats. After doing some research, I believe
> them to be either Noturus flavus or possibly Noturus insignis. Since I live
> near the Susquehanna river in York County, PA , I'm leaning toward them being
> N. insignis. How do I tell the difference? The Pennsylvania Fishes site
> though good, really doesn't give you distinguishing features.
> I have had them about three years in an outdoor ornamental pond and this year
> there are numerous offspring. I must find homes for these and would like to at
> least know their correct identity. There simply is not enough room in my pond
> for all these catfish any ideas beside a local quarry. Don't worry I will not
> release them in the river!
> As a native plant enthusiast I also wanted native fish in my pond. It's a
> pleasure to see a site devoted to native fish. I'm eager to learn more!
> No Koi for me,
> Sharon
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