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Parasphaerichthys ocellatus
January 14, 2012
8:45 pm
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ste12000
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I took a trip to see Neil at Pier aquatics last week, most of the fish in this shop are always very desirable but i stumbled upon a real jem in one of the tanks.. Parasphaerichthys ocellatus is a tiny little gourami closely related to the 'chocolate' gouramis, its the second member of the Parasphaerichthys genus and along with Parasphaerichthys lineatus are the smallest gourami species recorded to date.

As far as im aware there are no reported spawning of this particular fish so hopefully i can get this changed and see some breeding action.

The 8 fish are installed into a 24x8x8 with leaf litter substrate and a few artificial plants so its a case of feeding them well and observing whats going on..

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January 15, 2012
3:25 pm
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Colin
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Good find - I have not had any luck from mine yet. I think that someone in the IGL bred them??? Will check.

In fact, perhaps Frank knows???

Also, watch that the leaves don't acidify the water too much as they are not an acidic blackwater fish

will be interesting to see if they are as variable in their breeding strategies as P. lineatus?

cheers

January 24, 2012
12:48 pm
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Colin
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How'd they settle in?

August 11, 2012
1:20 pm
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FKS
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Bubble nest of P. ocellatus. To be continued...

 

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August 11, 2012
2:49 pm
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Stefan
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That's brilliant FKS; no one has bred these before but has only had the start of a bubblenest. As far as is known you are the first; congratulations!

August 11, 2012
4:51 pm
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FKS
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Stefan,

yes. I've never seen a picture of an ocellatus nest before. Maybe this is the first one...and too bad  it is impossible to make a photo showing the nest and the male guarding it (while the female is guarding the area around the nest).

Indeed I separated the nest. Let's look how this works. Hope that there isn't a mouthbreeding-part in the reproduction of this species!

By the way: as expected the eggs show the same markings like those of P. lineatus

 

cheers

Frank

 

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August 11, 2012
5:48 pm
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Stefan
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Why seperate it? Much harder to get them to hatch Wink Left with the parents you can sit back, relax and enjoy the show. Nect time maybe?

 

I do not know if such a picture exists. I'll ask the friend who observed a bubblenest years ago.

 

I do not expect a mouthbrooding part in this species, or the other, single, congener of the genus. If they do mouth eggs/fry it's to move them about - that's my experience with labyrinth fishes anyway. Do you have photos of the parents themselves?

 

Again, nicely done, Frank, please keep posting! I, for one, am intrigued!

August 11, 2012
6:41 pm
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FKS
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I think there is no chance to raise the fry in the tank. So, I'll give it a try. Didn't had much problems with hatching the lineatus eggs, so this might work as well.

I still have to make some pictures of the paire. Not easy in this tank setup. But this is the female. Note the belly!

 

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August 12, 2012
10:07 am
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FKS
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So. This is the pair. Looks like they try to get to their nest...

 

pair at the breeding tank with their nest:

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male:

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female:

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August 12, 2012
11:58 am
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Stefan
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Nice shots Frank! Like that cork floating about. I asked my friend about photos of his nest but unfortunately he didn't make any.

August 12, 2012
12:21 pm
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FKS
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Stefan said
Like that cork floating about

Actually the water surface is covered with floating cork and film containers. I noticed that Parasphaerichthys like to stay directly at the water surface and always at or close to covers. So, maybe this is an important aspect for the success? I think this reduces stress and provides spawning caves.

cheers

Frank

 

edit:... and a much better close-up picture of the nest

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August 12, 2012
12:55 pm
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Stefan
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I can't speak for ocellatus, but my lineatus were always about everywhere; surface, bottom, mid-water etc. Only a few plants on the surface and some in the sand - which was full of leaves and big lumps of moss.

August 12, 2012
1:08 pm
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FKS
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Stefan said
I can't speak for ocellatus, but my lineatus were always about everywhere

Same thing here. Also the ocellatus can be found in mid-water unless you put those hiding places on the water surface. Now they are always close to surface... and spawn ;)

August 13, 2012
9:17 am
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Matt
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Brilliant, congratulations Frank! Did you see any of the courtship?

Cake or death?
August 13, 2012
4:31 pm
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FKS
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Matt said
Brilliant, congratulations Frank! Did you see any of the courtship?

A couple of days ago I noticed that the pair got a high-contrast coloration of white and black markings similar to a chess board and also very similar to how they look when they are in panic. But I haven't seen anything like a courtship. Since I noticed the bubble nest they looked like you can see on the pcitures above. So, not to compare with lineatus...

August 14, 2012
8:04 am
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FKS
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Hatching started... I think these are the first pictures of P. ocellatus larvae!

Note that there are lots of eggs which don't look like they are ready for hatching! Maybe more than one single spawning?

 

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cheers

Frank

August 14, 2012
8:34 pm
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FKS
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In the afternonn the pair spawned again. As I assumed the nest is much smaller and the first, bigger nest may result from several rounds (there are already hatched larvae and eggs that are much younger). Further, no courting, actually nothing that would have indicated that two fish are spwaning...

 

@Stefan: this time I will leave it where it is... let's see how this works.

 

Sorry for the bad quality, but this is really in the darkest corner of the tank!

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August 15, 2012
5:31 pm
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FKS
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24 hours after hatching

 

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August 17, 2012
4:36 pm
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Colin
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very nice frank :)

August 18, 2012
7:14 pm
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FKS
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Thanks Colin.

 

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