Re: NANFA-- A Fundulus observation

Denkhaus, Robert (jrshute_at_bellsouth.net)
Sun, 13 Jan 2002 12:11:43 -0500

Bruce,

I've noticed that julisia are really fond of flakes. We use mostly live and frozen foods, but these topminnows aren't bashful about taking flakes or other dry foods.

J.R.
>
> From: "Bruce Stallsmith" <fundulus_at_hotmail.com>
> Date: 2002/01/12 Sat PM 07:45:43 EST
> To: nanfa_at_aquaria.net
> Subject: NANFA-- A Fundulus observation
>
> I've been keeping a variety of Fundulus species over the past two years and
> now I realize that there's some pattern to their feeding habits in
> captivity. There's a big difference between studfishes (northern and
> southern, catenatus and stellifer respectively) on one hand and topminnows
> on the other (notti, notatus, olivaceus, chrysotus). The central difference
> is acceptance of flake foods: the studfishes won't, and the topminnows will.
> I've been growing out a group of catenatus from the Paint Rock River, AL,
> system on a diet of chopped earthworms and blackworms for about a year now,
> and the original two look great; some more recent additions are still coming
> up to snuff. A group of stellifer from Raccoon Creek, GA, adults and YOY,
> are starting to bulk up on the same diet after several months.
>
> I give the live foods to the topminnows too, but they don't visibly lose
> weight if they're only on flakefood for a week.
>
> This observation was largely inspired by talking to Charlie Grimes about
> keeping and conditioning rainbow shiners, Notropis chrosomus. They also are
> happy to take flakefood, but mine look much better after sustained feedings
> of various worms and bugs (it's a greenhouse, I got bugs...). Charlie's
> rainbows, from the same location in Collinsville, AL, didn't look nearly as
> colorful on a flake-only diet.
>
> None of this is new, that natives will do better with more live foods. But
> it's easy to fall into a rut and let things slide from day to day, I know I
> do!
>
> --Bruce Stallsmith
> Huntsville, AL, US of A
>
>
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/ For more information about NANFA, visit our web page, http://www.nanfa.org