At 10:21 AM 6/10/98 +1000, you wrote:
>At 20:15 8/06/98 +0100, Harro wrote:
>>Hi out there,
>>what temperature and how many salt would you recommend
>>for the Ross River blue-eyes?
>Just for you Harro, I have tested the water conditions for my current stock
>of T'ville Blue-eyes.
>First a little history. These fish are all wild-collected by Roy Hunter on
>his previous (not this year) trip to Australia so they must be at least 18
>months old? The group consists of 8 males and 20 females. The largest male
>would be 6.5 cm TL and about 1.5 cm deep. The females are all around 4-5 cm TL.
>They have been maintained since I first obtained them in a 24x18x15 (inches)
>aquarium, completely bare except for a small box filter filled with gravel
>and situated on the bottom shelf about 6 inches above the floor of my
>fishroom. They receive 50% water changes each week (well almost) and are fed
>on a small pellet and flake food. During the time I have had them I have
>only lost one male who developed an eye infection from what cause I don't
>know. I have maintained them all this time in straight tap water (no added
>salt). I generally test the pH fairly regularly and add a KH powder because
>the pH tends to fall into the 6's. This product is manufactured by
>Aquasonics and sold mainly for use in marine set-ups. I don't know what it
>consists of because it doesn't tell me on the label. It just says Carbonate
>Hardness Generator: Directions=40 grams/1000L raises the KH value of water
>by approx. 20 ppm. I usually just toss in a couple of teaspoons.
>Current water condition tested this morning were pH 7.8, Temp.20°C, Cond.
>388 uS, GH 140ppm, KH 40ppm. The tank is unheated and currently the
>temperature range of my fishroom is 19-24°C. Water changes slower than air
>so I suspect the mean temperature of the tank would be around 21-22°C.
>This morning I collected 27 eggs in 2 mops that are provided in the tank so
>obviously they will spawn under these conditions.
>The exchange water (tap) was also tested after aeration and it was pH 7.8,
>Temp. 21°C, Cond. 320 uS, GH 120 ppm, KH 50 ppm.
>I know some (many) people recommend the addition of salt to their water and
>they get good results however, as I have often said it is not necessary,
>they will do fine in straight fresh water. I know they don't like acid water
>and react badly when the pH plummets.
>Feeling a little guilty because I haven't really been too worried about
>breeding them I have decided to investigate this matter a little further and
>I have this morning moved them into a newly established tank 36x18x15
>(inches) and will see what eggs I collect then will add some salt and see if
>it improves their performance.
> Adrian R. Tappin
> "Home of the Rainbowfish"