Re: NANFA-- Bigeye Chub bites the bullet

Mark Otnes (markotnes_at_email.msn.com)
Sun, 2 Nov 2003 21:20:34 -0600

Jan,

Wow, six year old Topeka Shiners! That's amazing! Where did you get those
shiners from, Kansas?

Mark Otnes
Fargo ND

----- Original Message -----
From: <HOOVERJ_at_wes.army.mil>
To: <nanfa_at_aquaria.net>
Sent: Sunday, November 02, 2003 6:02 PM
Subject: RE: NANFA-- Bigeye Chub bites the bullet

> Mark writes:
> >>>I'm curious to know how long lived other people's small native fish
are.
>
> Jan responds:
>
> My impression is that for smaller fishes - longevity in an aquarium can be
> 2-3 X lifespan in nature. I have kept several species that lived 4-5
years
> in an aquarium, but only 2-3 years in the wild. A coastal shiner from
> Florida lived almost 3 years in my 10-gallon tank but in the Hillsboroiugh
> River would have been an annual. I have some Topkea shiners that are now
6
> years old but most live only two years in their native streams.
>
> This is one area where NANFA members could really contribute to fish
biology
> since most biologists do not have the time or facilities to maintain
> individuals or cohorts for an indefinite period of time. It necessitates
> careful record-keeping and special handling of captive fishes, though
(i.e.,
> minimal mixing with other conspecifics).
>
> I started keeping a native fish aquarium notebook in 1999. I wish I would
> have started sooner. Its taught me a lot about longevity, handling-related
> mortality, behavior, etc.

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/ For more information about NANFA, visit our web page, http://www.nanfa.org