Betta unimaculata fry

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03 Jul 2016 20:59 #1 by Eric (Eric Corcoran)
My male B. unimaculata released some fry today. Counted around 15 but with the tank having anubias, floating plants and a coconut cave im sure there's more. Only moved him into a smaller tank yesterday on day 10 and was expecting him to hold for another few days at least but when I checked today he had them released. All fry looking healthy. Fed them tiny white worms this evening and will have freshly hatched bbs for them tomorrow evening







Eric
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03 Jul 2016 21:33 - 03 Jul 2016 21:34 #2 by wildlifebiology93 (Sean O'Sullivan)
Ðid not realise when i commented on fb you were the same man. :)
Are they that much bigger than splenden fry Eric that they can take small white worms and bbs that early?
Last edit: 03 Jul 2016 21:34 by wildlifebiology93 (Sean O'Sullivan).

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03 Jul 2016 21:33 #3 by wildlifebiology93 (Sean O'Sullivan)
Ðid not realise when i commented on fb you were the same man.

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03 Jul 2016 21:43 #4 by Eric (Eric Corcoran)

wildlifebiology93 wrote: Ðid not realise when i commented on fb you were the same man.


Lol yep same person. Can't add you as a friend though

Eric

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03 Jul 2016 22:12 #5 by wildlifebiology93 (Sean O'Sullivan)
Dont know how that double posted and ommited half the post the second time.
Best of luck with them.
Lost all the biera fry I was telling you about to velvet.
Looked at one under the scope today.
Thought I added salt to the water but when I looked today the measurement of salt was where i prepared the hatch water.
Gutted

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10 Jul 2016 09:53 #6 by Eric (Eric Corcoran)
Week old fry feeding on bbs


Eric

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14 Jul 2016 17:57 #7 by wildlifebiology93 (Sean O'Sullivan)
They are getting big.
Did you manage to get a headcount on the spawn size Eric?

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14 Jul 2016 18:34 #8 by Eric (Eric Corcoran)
I've just moved them to a larger tank this evening and there's 24 of them . I took a video so ill put it up later

Eric

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14 Jul 2016 19:34 #9 by Eric (Eric Corcoran)
Moving the fry to a larger tank this evening. 24 in total. I started adding small live white worms to their diet along with the bbs



Eric

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15 Jul 2016 12:41 #10 by Jonlate (Jon Late)
I did read in the 'betta bible' that was free on Amazon recently and posted on here somewhere, that if you over feed white worm to bettas it affects them in the future.
From what I remember they don't grow something properly and they do something. ( see my memory is that good!)
I will look into the book and see if I can find the phrase again. Maybe someone else can remember better.

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15 Jul 2016 13:00 #11 by Eric (Eric Corcoran)
Your sort of on the right track. But its if you over feed micro worms to domestic betta fry it can cause them to lose or not grow their ventral fins

Eric

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15 Jul 2016 13:10 #12 by wildlifebiology93 (Sean O'Sullivan)
I have read Johnlate the over feeding of microworms can lead to the non development of the ventral fins in betta fry but I have not read anywhere that over feeding of white worms causes any problems only obesity if feed non sparingly to any fish species.

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15 Jul 2016 16:00 #13 by Jonlate (Jon Late)
Ah, I knew it was some sort if worm!! I can't download the ' betta bible ' again as my 7 days has run out to see what it said.
So it's microworms, not whiteworms that cause the problem with the ventral fins.
White worms just make them fat.
That's what you get for trusting in your memory. I proudly stand corrected. :blush:
So why would microworms cause it but whiteworms wouldn't? What us the difference?

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15 Jul 2016 18:21 #14 by wildlifebiology93 (Sean O'Sullivan)
I have never read the reason why overfeeding of microworms are believed to be a cause of non development of the ventral fin in betta fry just that there is a known/believed link.
I think genetics,water parameters and a few more variables may often be overlooked in these cases.

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15 Jul 2016 18:44 #15 by Eric (Eric Corcoran)
The reason I believe is that while the ventrals are developing it's got to do with the bacteria on the bottom of the tank . When feeding micro worms they sink to the bottom forcing the fry to feed on the bottom. With bbs and vinegar eels they'll stay in the water column.
Why it doesn't happen with white worms is I reckon the ventrals have already developed by the time you're feeding them. I don't know if water conditions has anything to do with it but it's definitely not genetics as if you breed non ventral bettas the fry will always have ventrals ( providing you don't go mad with the micro worms again :) )

Eric

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15 Jul 2016 19:00 #16 by wildlifebiology93 (Sean O'Sullivan)
So is it the bacteria of any decomposing organism in general that the fry become overexposed to that causes the loss or retardation of ventral fins or a bacteria specific to decomposing microworms Eric?

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15 Jul 2016 19:38 #17 by Eric (Eric Corcoran)
Since ive only ever heard or read about it happening with the over use of micro worms I presume it's specific to them decomposing


Eric ,

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16 Jul 2016 18:25 #18 by Bill (Bill Hunter)
The fry are coming on great, Eric, they are looking well.
Bill

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