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RE: Nothos - Salinity tolerance

Hi Paul,

My very best guess is no. As I was given to understand it most living things
have an inherent natural internal salinity of 1.020. Fresh water fish are
designed to accumulate and concentrate salt from their natural environment
to achieve that level of salinity. Salt water fish are designed to pump out
excess salt to achieve that level. Some fish can go both ways and are often
referred to as brackish water fish. The fact that Nothos can tolerate salt
in their water does not make them salt water fish. A teaspoon of salt per
gallon gives you a salinity of about 1.005 nowhere near the 1.024 of salt
water.

To conclude, I have never tried to put Nothos into salt water, so I can not
say for sure, but a tolerance for salt and a salt water physiology are
usually two very different things.

Best regards,


~RJ~

-----Original Message-----
From: owner-killietalk at aka_org [mailto:owner-killietalk at aka_org]On
Behalf Of Paul Jablinski
Sent: Monday, July 02, 2001 8:43 PM
To: killietalk at aka_org
Subject: Northos


  For the Scientists out there!
	We know that Northos like salt.  Can Northos be aclimated to
live in salt-water tanks?
   Bro. Paul
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