The database is relatively new and members are still adding data from their
field notes but I think you will find plenty of information about Oz native
fish habitats.
Cheers
Dave Wilson
Darwin
On 14/9/05 9:39 PM, "Paul Cezanne" <pz-bulk at codewell.com> wrote:
> Hello
>
> I've been keeping a few species of rainbows for a couple of years now. As
> such, I am the local "expert" in our club, the Boston Aquarium Society. We're
> having a Beginner's Talk this month, several speakers will each be giving
> short, 10-15 minute talks on a particular set of fish. I'll be speaking on
> rainbows.
>
> Rainbows aren't new to our club, we had Gary Lange as our speaker last year.
> He gave an excellent talk.
>
> So I'm putting together a short talk on rainbows looking at Tappin's web site
> and the Rainbowfish Study Group's site and I've come across some conflicting
> information.
>
> RFSG says:
>
> Glossolepis, Melanotaenia, and Telmatherina, thrive in hard, alkaline water
> but typically do not thrive in soft acid water. Iratherina and Pseudomugil
> come from swampy areas and prefer neutral to slightly acid pH but will survive
> in more alkaline water. ... Melanotaenia, Glossolepis, and Telmatherina have
> water requirements that are essentially the same as those for Rift Lake
> cichlids.
>
>
> And Tappin says:
>
> The freshwater environments of Australia and New Guinea contain mostly soft
> water, but their pH and clarity will vary depending on their sediment content
> and the terrain over which they flow.
>
>
> I've always heard that they want slightly harder water, and as such have
> always kept a bit of crushed oyster shell in my filter to keep the calcium up.
>
> So what can I talk my listeners in this very basic intro. Half the group will
> be beginners but the other half will know the difference between hardness and
> alkalinity. (Note, I count myself in the third half, the ones that aren't
> beginners but find some chemistry confusing!)
>
> Thank you.
>
>
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>
> Yahoo! Groups Links
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