At 08:08 AM 1/16/99 +1000, you wrote:
>Mach
>
I remember him saying somewthing like this.
>I remember when Derrick Onishi was up at Cape York with us - he was
>shivering at 20 C ;-) Every night he would curl up under his sleeping bag
>and say he was going to wake up before daybreak to hear the "dawn chorus" of
>the birds and every morning he would sleep in.
>
>He would be about the only person I could think of who would symapthise with
>you about the current "bad weather" over there.
I was wondering because I may finnaly be moving to a part of Maui that
actually gets down to 35 F (1.7 C) over the winter. I know I will
probablly need to heat, but if I got species that can tolerate the cool and
might obligatly need it to breed, more the better...
My sig are breeding steadily even thoug the temp has been a bit on teh cool
side. These guys are so prolifc that I would consider them a risk if they
got into the native estuary areas...
>Re Blue-eyes - although Signifers occur to well below Sydney, in those areas
>they are virtually all in brackish/marine situations and temperatures don't
>go as low as you might think because of the moderating sffect of the huge
>volume of the sea and the high specific heat of water.
>
>IMO if you are having trouble "kick-starting" some of your signifers just
>add some salt for a couple of weeks and then reduce the increase by half to
>simulate rainfall effects. The temperatures in Hawaii should allow you to
>breed them all year round but there has long been an opinion over here that
>signifers may need some exposure to marine influence. I think there were
>suggestions of this right back in the first issue or two of "Fishes of
>Sahul"
>
>
>Regards,
>Bruce.
>
>Bruce Hansen, A.N.G.F.A., Advancing Australian Aquatics.
>
>Bruce Hansen, ANGFA, caring for our aquatic ecosystems.
>
>Please visit us at http://www.ozemail.com.au/~fisher/angfa.htm
>
>
>
>
Mach T. Fukada, Editor
fukada at hawaii.edu
Honolulu Aquarium Society
http://www.geocities.com/Heartland/Meadows/2948/HASF.html