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10g Tank for Breeding N Guentheri Killifish


Schuyler
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Lesson learned...

If don't put too many plants. It makes it difficult to see waste and poop on the bottom.

Next batch I do I'm going to try putting 5 fry per little sandwich container so that I have a better idea of how many survived.

I'm also going to go completely by the book as much as possible.

There were more than 20 fry initially but now I'm down to 4 or 5

I'm also going to try without snails

At least I know the remaining ones are eating their brine shrimp.

PXL_20230730_183116419.jpg.17921188ff16836c26dbf67b32fce621.jpg

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On 8/2/2023 at 1:18 PM, Schuyler said:

Lesson learned...

If don't put too many plants. It makes it difficult to see waste and poop on the bottom.

Next batch I do I'm going to try putting 5 fry per little sandwich container so that I have a better idea of how many survived.

I'm also going to go completely by the book as much as possible.

There were more than 20 fry initially but now I'm down to 4 or 5

I'm also going to try without snails

At least I know the remaining ones are eating their brine shrimp.

PXL_20230730_183116419.jpg.17921188ff16836c26dbf67b32fce621.jpg

Hopefully your new technique helps! It does make it difficult when you can’t keep a close eye on them! I had 13 and ended up with 2 survivors

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  • 2 weeks later...
On 8/15/2023 at 10:46 PM, Schuyler said:

I cooked the last batch of fry...

They were near a window but I didn't think they got direct sunlight. Turns out that was wrong and I got home to dead fish. They're container was too small so the temp spiked.

We all make mistakes!! Something to definitely consider when raising them in small containers is how easily the temp can fluctuate. 

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  • 3 weeks later...

PXL_20230904_172336778.jpg.c9cfdf08dd0a15093184c4621136d1a4.jpg

The last female I have from my first batch. She's showing her age now. Her scales are looking rough. Her belly is skinny and even looking a bit sunken in. She still eats vigorously and swims around so I think she's still healthy but I think she is on her way out in the next few months.

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On 9/4/2023 at 7:11 PM, Schuyler said:

PXL_20230904_172336778.jpg.c9cfdf08dd0a15093184c4621136d1a4.jpg

The last female I have from my first batch. She's showing her age now. Her scales are looking rough. Her belly is skinny and even looking a bit sunken in. She still eats vigorously and swims around so I think she's still healthy but I think she is on her way out in the next few months.

Wow you aren’t kidding she is an old girl!! Looks like she has a good home to live her life out in though! Is that Myriophyllum?

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On 9/4/2023 at 10:49 PM, Slick_Nick said:

It’s okay @Schuyler we won’t tell 🤐 hahaha 

I actually know a place I can get loads of guppy grass and parrots feather. There's a lake near where I live that is invasive in. It was pretty weird swimming with my son and suddenly realizing "hey... That's an aquarium plant!"

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On 9/4/2023 at 10:53 PM, Schuyler said:

I actually know a place I can get loads of guppy grass and parrots feather. There's a lake near where I live that is invasive in. It was pretty weird swimming with my son and suddenly realizing "hey... That's an aquarium plant!"

That would be pretty crazy! Something I’ve yet to experience aquarium plants in the wild!

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On 9/5/2023 at 7:55 AM, Slick_Nick said:

That would be pretty crazy! Something I’ve yet to experience aquarium plants in the wild!

I’ve heard of some crazy place in Germany next to a coal power station where there’s livebearers, Java moss, shrimp, and Indian swamp weed. The authorities don’t clear it away because they’re all confined there by the temperature. Nickname: « Guppybach »

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  • 2 weeks later...

About four weeks ago I started a batch of Nothobranchius Guentheri only to remember that we would be going out of town for Labor Day weekend.

I was nervous about leaving the fry without food but also didn't really trust someone else to feed them. So I decided to try an experiment (I know I said I was going to go by the book next time... but that's boring). A day after they hatched I separated ~1/3 of the fry into an outdoor daphnia culture. It had been set up since March and was packed with all kinds of small stuff to eat. Water changes were basically just topping off after the water levels were too low (raccoons and squirrels coming to take drinks).

PXL_20230906_024359061.jpg.66ac3a34b0fa858d368a903f5ea52f9c.jpg

 

Indoors, they were fed micro worms, BBS, and vinegar eels. They also had daily 50% water changes.

PXL_20230906_031435059.jpg.b9968163268a360190ccf3ca9ac7d20a.jpg

 

I'm not sure how many more are still out in the tub. These are the ones I was able to net out.

PXL_20230906_030325117.jpg.f440ab2b2c579f2bfbebfe3b144abc14.jpg

 

I think next year I'm going to repeat the experience but start earlier in the year and use a tank I can actually see into.

PXL_20230906_030331867.jpg

Also, I haven't been posting to this journal often and I think I'm just going to roll it into my other "fish lab" journal since they're tanks are in with the others.

 

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On 9/13/2023 at 10:12 AM, Schuyler said:

About four weeks ago I started a batch of Nothobranchius Guentheri only to remember that we would be going out of town for Labor Day weekend.

I was nervous about leaving the fry without food but also didn't really trust someone else to feed them. So I decided to try an experiment (I know I said I was going to go by the book next time... but that's boring). A day after they hatched I separated ~1/3 of the fry into an outdoor daphnia culture. It had been set up since March and was packed with all kinds of small stuff to eat. Water changes were basically just topping off after the water levels were too low (raccoons and squirrels coming to take drinks).

PXL_20230906_024359061.jpg.66ac3a34b0fa858d368a903f5ea52f9c.jpg

 

Indoors, they were fed micro worms, BBS, and vinegar eels. They also had daily 50% water changes.

PXL_20230906_031435059.jpg.b9968163268a360190ccf3ca9ac7d20a.jpg

 

I'm not sure how many more are still out in the tub. These are the ones I was able to net out.

PXL_20230906_030325117.jpg.f440ab2b2c579f2bfbebfe3b144abc14.jpg

 

I think next year I'm going to repeat the experience but start earlier in the year and use a tank I can actually see into.

PXL_20230906_030331867.jpg

That’s very cool! You definitely have them the best chance at surviving while you were away! I’d be interested to see the experiment done again

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  • 1 month later...
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  • 2 months later...

It finally happened. At the ripe old age of 15 months the last female has passed away. There was nothing obviously wrong with her. She had been slowing down the last few days but still eating.

The male seems to be going strong still. All his fins are full and color isn't fading much.

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