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Sawbwa Resplendens Eggs
January 23, 2014
8:12 pm
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horsin1787
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This will be my first post, hopefully I am in the right place.

 

After seeing my sawbwas go to town for the last week, I finally decided to try to raise some fry.  A couple days ago I trimmed some leaves from my 'lucky bamboo' and tossed them in the tank.  They were freaked out for all of 3 seconds, then as soon as I walked away they were using them.  I left the leaves in there for 2 days, then moved them to a set up and waiting 10 gallon when I saw one female use it several times in succession with a couple males.

 

This is what I have so far, well...what I have been able to get pictures of.  There are quite a few more eggs.

 

They really seem to prefer broad, floating leaves for spawing.  They are in a community 75 gallon planted tank with celestial pearls, otos, erythromicron, snails, and rcs.  They get mostly live foods, but like to pick apart a veggie wafer when offered.  Mostly live blackworms that they have to hunt, with some microworms on occasion.  They also ate all the little limpets that hitchhiked in on some plants.  They have been in this tank since June 2013.  I bought from two different places, 4 fully grown, and the others as mostly colored juvies.  There are 21 total with 5 of them males.

 

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January 23, 2014
8:21 pm
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horsin1787
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Embarassed  I guess I should ask my question, lol.  How do I tell if the eggs are good or not?  How long before they hatch?  What is a good first food?

January 23, 2014
8:43 pm
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mikev
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You can stain them with meth blue to check for fertility, but since they hatch very quickly (3-4 day, hopefully I recall correctly) this may not be needed. IME eggs were almost always fertile. First food: I used paramecium, artemia after about a week. All times depend on the temperature, as usual.

January 23, 2014
9:18 pm
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BigTom
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Good luck horsin. Mikev's advice is good. I think the eggs hatched in 2-3 days for me, although I'm struggling to remember exactly. After that the fry developed extremely slowly for me but were easy to maintain - some info and videos in this thread - http://www.seriouslyfish.com/f.....es/sawbwa/

January 23, 2014
9:25 pm
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horsin1787
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Thanks :)  The eggs have doubled in size since yesterday I think.  I have a video from a few months back of them maybe mating too.  Not a very good one, but you get the idea.

 

 

I had a blanket over the tank and camera because there was a glare, I accidentally bumped when I walked away.  You can see them doing what I think might be mating at 1:13 .  Yesterday the female I watched was waiting by the leaves for about 5 times.

January 23, 2014
9:30 pm
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BigTom
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Yup, that's the mating all right.

January 23, 2014
11:34 pm
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mikev
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horsin1787 said

Thanks :)  The eggs have doubled in size since yesterday I think.

Hmm... this does not sound right at all, eggs do not grow.

After that the fry developed extremely slowly for me but were easy to maintain

Same experience here, few times I thought I lost them -- very hard to see even when they don't deliberately hide.

January 24, 2014
1:37 am
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horsin1787
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Maybe they just looked smaller then?  I dunno, maybe it was the better pic today vs yesterday.P1070281.JPGImage Enlarger

  Here is yesterday's.  I had a heck of a time finding any yesterday, but today I was finding them everywhere.

January 27, 2014
2:34 am
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horsin1787
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I found two fry today, but just laying on the bottom.  What is the norm for them?

January 27, 2014
4:07 pm
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mikev
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to swim right away, mid-water.

January 27, 2014
4:30 pm
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horsin1787
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hmm...water params are all good.  They are definitely alive.  If I gently squirt a little water at them with a pipette they take off across the tank. 

January 27, 2014
10:04 pm
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BigTom
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Mine spent a lot of time stationary against the glass or near the bottom for the first few days.

January 27, 2014
10:58 pm
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mikev
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Yes, not moving too much. But never lying on the bottom ime.

January 31, 2014
2:49 am
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horsin1787
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And we have some free swimmers.  They were half swimming, half laying on the bottom yesterday, but today they are up and about. :)  Super tiny little things.  Too bad I can't get the camera to focus on them.

January 31, 2014
4:31 am
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mikev
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What are your water params? (pH/kH/TDS)

February 1, 2014
1:28 am
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horsin1787
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P1070443e.jpgImage Enlarger

pH is a very steady 7.8 after ageing, it is 6.5 straight out of the tap.  kh is 12, gh is 14.  Not sure of the tds.  They are officially free swimming, no more resting on things at all.  At any one time I can count 4.  I'm pretty sure there are more.  I've got some moss and a small piece of floating lettuce that they hang around a ton.  I'm sure they're eating something I can't really see since every once in awhile I see them dart.  I put a small sponge filter in there today, really slow air flow.  Mostly for surface agitation.

 

Spectacularly crummy picture, I know, lol.  Camera won't focus on the tiny little things.

February 1, 2014
6:03 pm
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mikev
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OK, water params was a wrong guess... (I had fry staying on the bottom when the water was not hard enough, but yours is.) What is the temp in the fry tank?

There was a good photo of fry by BigTom somewhere, I think... I could not photo them either.

February 2, 2014
6:21 am
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horsin1787
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They are definitely not on the bottom anymore, and they dart away very quickly to any quick movement.  I counted 6 today.   :)  Temp is about 74.

February 3, 2014
4:03 am
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horsin1787
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Here, I added a ruler to the back of the tank :D  This is day 6 after spotting them on the bottom, I believe.  They were nice and close to the back of the tank, so the ruler gave the camera something better to focus on.  About 3/16 inch long, just...wow.  There's some new ones in there today.  Still have the six or so free swimming, and saw a couple more itty bitty ones on the bottom.

 

P1070491e.jpgImage Enlarger

February 3, 2014
11:07 am
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BigTom
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Yeah they start out tiny and stay that way for ages. I don't understand why they grow so slowly... my D. erythromicron and Petruichthys sp 'rosy' which are a similar size grew something like 3 times faster in the exact same conditions. It's got to be a major survival pressure to be be so small for so long, I wonder what the trade-off/constraint is.

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