On 26 Aug 2004 06:30:40 -0700, wrote:
Among marine (even fresh water )fishes which one are most sensitive to
low dissolved oxygen?
when oxygen level goes down in tank which species will first show
change in behaviour ( swiming on the surface, etc).
Which other organism ,zooplanktons etc will show response to change in
oxygen level?


Is it September already? In other groups this wuld be regarded as a
homework question. Are you a student? Do we do homework assistance
here?
"Pretty new here myself"
--
Crashj