The F. euryzonus will also hybridize with olivaceus/notatus...........some
work was done on this by Tom Blanchard for his graduate thesis. I don't
beleive he kept the hybrids to see if they were sterile or capable of
reproduction however.
BG
----- Original Message -----
From: Bruce Stallsmith <fundulus_at_hotmail.com>
To: <nanfa_at_aquaria.net>
Sent: Sunday, August 27, 2000 12:16 PM
Subject: Re: NANFA-- More on convention: F. olivaceus & F. notatus
> Hi Bob,
> With the notatus/olivaceus complex, really the only distinguishing trait
is
> whether or not they're spotted above the black band. Breeding males have
> slightly different banding patterns and color in their fins, but those
seem
> to be pretty subtle differences. Even the spotting is subtle, as I've
> mentioned. By putting a Mississippi olivaceus in the same tank as an
Alabama
> notatus the difference is apparent. I think you did the same thing by
> comparing Michigan notatus to your MS olivaceus. And just to complicate
> things, the species can usually interbreed and produce apparently viable
> hybrids from what I've read.
> My experience is that both species make good aquarium fish, being
> well-behaved and taking food items from the surface.
>
> --Bruce Stallsmith
>
> >From: Michiganfish_at_aol.com
> >Reply-To: nanfa_at_aquaria.net
> >To: nanfa_at_aquaria.net
> >Subject: Re: NANFA-- More on convention: F. olivaceus & F. notatus
> >Date: Sat, 26 Aug 2000 22:14:59 EDT
> >
> >Bruce
> >
> >I have some fish from BG collecting trip. They have a heavy spotted
pattern
> >above the black stripe and the stripe goes into the tail fin. The black
> >stripe on the males is almost as smooth as the females. I'm only familiar
> >with F. notatus from Michigan they only have spots in their fins here. I
> >just
> >collected some notatus today and they look different. I believe what I
have
> >is olivaceus is their any good field marks?
> >
> >Bob Muller
>
> ________________________________________________________________________
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>
>
>
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/----------------------------------------------------------------------------- /"Unless stated otherwise, comments made on this list do not necessarily / reflect the beliefs or goals of the North American Native Fishes / Association" / This is the discussion list of the North American Native Fishes Association / nanfa_at_aquaria.net. To subscribe, unsubscribe, or get help, send the word / subscribe, unsubscribe, or help in the body (not subject) of an email to / nanfa-request_at_aquaria.net. For a digest version, send the command to / nanfa-digest-request_at_aquaria.net instead. / For more information about NANFA, visit our web page, http://www.nanfa.org