The Breeding Project: Discus - The Planted Tank Forum
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post #1 of 32 (permalink) Old 03-28-2020, 03:01 PM Thread Starter
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The Breeding Project: Discus

Time for a new breeding journal.


My male F1 Alenquer and female Heckel Cross decided to spawn unexpectedly! The Alenquer is about 4 years old and the Heckel is about 14 months old. I had been waiting so long for the Heckel (I didnt know it was female) to mature that I had really thought these were 2 males. They have alternated between being the aggressor/chasing the other, so resigned myself to them both being males.

Tells you how much I know!


Anyways, they started spawning last night and guarding eggs still this morning. If this spawn doesnt make it, I wont be too upset because one thing I do know is that when you have 2 cichlids spawn once-- they will do it again. This being this females first spawn, it is a very small group of eggs. So, will see how they do. I am ready for next time.



Here is the pair guarding the eggs:




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post #2 of 32 (permalink) Old 03-28-2020, 06:02 PM
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Thatís a good surprise. I guess you need a spawning come now.
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post #3 of 32 (permalink) Old 03-28-2020, 06:10 PM Thread Starter
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Thatís a good surprise. I guess you need a spawning come now.
I actually have one in the garage that I need to dust off. It had just been so long since I had a spawn that I had took it out awhile ago.


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post #4 of 32 (permalink) Old 03-31-2020, 01:11 AM Thread Starter
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Well, the eggs ended up with too much calcification to be viable. Or, as is also possible, the male may have not properly fertilized.
Regardless, they spent 3 days tending to them. On the 3rd day they started to bicker and tried pushing each other out of the way. Shortly after that they were eaten.

Actually, Im not at all crushed about it because now I know the Heckel is a female and that I have a pair. This is half the battle of getting discus fry, trying to get a a mated pair ( and a pair worth breeding).

I tested the TDS and it is sitting at 125. This may be the problem-- too high. I am going to use R/O and tap and bring this number down to between 50-75 TDS. Also, will add some catulpa leaves to acidify the water. Turn the temp up from 82-84. Then, that done, will add some cooler water 79-80 degrees to mimic seasonal rains-- which-- supposedly-- is supposed to induce spawning.

I have a plan.
Now, if only they will comply.


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post #5 of 32 (permalink) Old 04-03-2020, 09:39 PM
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Looking forward to watching your progress!
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post #6 of 32 (permalink) Old 04-06-2020, 05:13 PM Thread Starter
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The female laid another group of eggs about 24 hours ago. Watched the male fertilize them. The female has been bullying and pushing up against the male for 2 days. She would frantically peck at an area she wanted cleaned and when she saw he was not interested she would pester him. LOL!

I had put the breeding cone in after the last spawn, but they ignored it and still spawned on the front glass of the aquarium. Ill take a picture or video later too show you the eggs.

A couple days ago with water change I had lowered the TDS from 125 to 95. I hadn't wanted too adjust down the TDS to quickly. Still plan on going lower- around 55 if these eggs calcify as well.
Fingers and toes crossed.
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post #7 of 32 (permalink) Old 04-06-2020, 06:26 PM Thread Starter
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post #8 of 32 (permalink) Old 04-06-2020, 06:31 PM
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Son of a....

Just as I start thinking about my next tank's stocking you remind me how gorgeous these fish are

Looking forward to this journal!
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post #9 of 32 (permalink) Old 04-06-2020, 06:40 PM Thread Starter
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Son of a....

Just as I start thinking about my next tank's stocking you remind me how gorgeous these fish are

Looking forward to this journal!
You definitely need some discus in your life


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post #10 of 32 (permalink) Old 04-06-2020, 07:47 PM
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Nice maybe they will learn the cone is there eventually.
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post #11 of 32 (permalink) Old 04-06-2020, 09:11 PM Thread Starter
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Nice maybe they will learn the cone is there eventually.
Lol! Maybe.

I wonder if breeding cones are one of those items that we developed a necessity for to transport eggs from one tank to another rather than an item that the discus find as an optimal space to lay eggs.
Ill keep it in there--- because maybe they'll find it optimal at some point.


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post #12 of 32 (permalink) Old 04-06-2020, 09:46 PM
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That would be a good question to ask a pro Discus breeder. There may be a trick to getting them to use the cone.
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post #13 of 32 (permalink) Old 04-14-2020, 03:36 AM Thread Starter
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3rd spawn's a charm?

Well, at least they spawned on the cone this time.


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post #14 of 32 (permalink) Old 04-14-2020, 06:50 AM
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I wonder what the babies will look like from these two.
Did you move the cone more into the flow?
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post #15 of 32 (permalink) Old 04-14-2020, 01:47 PM
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Congrats, Amy! Look forward to watching these!
Quote:
Originally Posted by EdWiser View Post
That would be a good question to ask a pro Discus breeder. There may be a trick to getting them to use the cone.
In the early 90's I worked for Alan Wienke in Durham, I guess you'd call him a pro, since he bred discus for a living. He used vertical PVC for laying areas but to memory they sure laid on the glass a lot. These aquariums were bare except for heaters and sponge filters too and they still opted to lay on the glass sometimes.
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