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L128 Sexing

Posted: 06 Nov 2020, 16:50
by Cleo21
Here are my 3 L-128. The largest is around 7 inches approx and the smaller ones are 5-6 inches. I have never actually measured them. Is there a female in this trio? I know that the largest is a male.

Re: L128 Sexing

Posted: 06 Nov 2020, 20:54
by bekateen
@MarcW

Re: L128 Sexing

Posted: 08 Nov 2020, 21:50
by MarcW
I can't say for certain but there appear to be some differences, in the first picture the top right fish seems to show differences in snout and ventral fin shape.

With my group I didn't really know I had a female until I saw eggs!

Make sure you have a good variety of cave sizes, and feed them well, I'd recommend Repashy gel foods as a staple, specifically Igapo Explorer if you can get it.

Good luck!

Re: L128 Sexing

Posted: 09 Nov 2020, 00:38
by Cleo21
MarcW wrote: 08 Nov 2020, 21:50 I can't say for certain but there appear to be some differences, in the first picture the top right fish seems to show differences in snout and ventral fin shape.

With my group I didn't really know I had a female until I saw eggs!

Make sure you have a good variety of cave sizes, and feed them well, I'd recommend Repashy gel foods as a staple, specifically Igapo Explorer if you can get it.

Good luck!
I have a few different size and shaped caves. The largest is 2.25 inches in width which I think is too small for the largest male. They don’t seem very interested in the caves and just hang under the slate instead. I feed them repashy, fresh zucchini, melons and carnivore/insect tabs and pellets.

Re: L128 Sexing

Posted: 09 Nov 2020, 12:59
by MarcW
I also found that there wasn't much interest shown in caves, until spawning attempts. My group of young which are just over 4 years old now, the biggest being ~5 inches TL have never shown interest in caves.

If you'd like to try and spawn them I'd recommend adding a few larger caves too, and maybe increase the flow of water, if you don't already have a power head or similar in the tank.

Re: L128 Sexing

Posted: 09 Nov 2020, 16:01
by Cleo21
MarcW wrote: 09 Nov 2020, 12:59 I also found that there wasn't much interest shown in caves, until spawning attempts. My group of young which are just over 4 years old now, the biggest being ~5 inches TL have never shown interest in caves.

If you'd like to try and spawn them I'd recommend adding a few larger caves too, and maybe increase the flow of water, if you don't already have a power head or similar in the tank.
I have ordered two caves that are width 3 inches, 2 1/4 inch inside height, and 8 inches long. I found an even bigger cave but they are sold out. I'm finding it hard to find caves where I live, even from online. Should I have a bunch of caves or only a few in the tank? I do have a powerhead but haven't turned it on due to the tetras. I lost a few before.

Re: L128 Sexing

Posted: 10 Nov 2020, 09:25
by MarcW
I kept 4 adults in a tank with 4 caves, I don't think it'd matter if there were many more caves than fish, but I always provide at least 1 cave per fish as somewhere for them to hide if needed. In addition to that for L128 I have found rock overhangs, to be preferred to caves as you mentioned in a previous post, you found that they preferred hiding under slate too.

If you struggle to find caves, and are fairly handy with DIY, you can make your own from porcelain tiles, or sheets of slate glued together using aquarium safe silicone, I made my own caves for my L128 using slate.

Depending on the tetras you might be surprised with the amount of flow they are happy with, especially if there are quiet spots with reduced flow behind rocks or wood that they can rest in if needed. What type of tetra do you have in the tank?

For more information about the setup I used and the spawnings I had, you can take a look at my thread here: viewtopic.php?f=5&t=44245

Re: L128 Sexing

Posted: 10 Nov 2020, 15:17
by Cleo21
Right now I have 12 silvertip tetras in the tank. I also have penguin tetras and rummy nose in my other pleco tank with L260 and two L264. That tank has no powerhead because the plecos are still too small and I worry that would get hurt. I turn on the powerhead in the L128 tank only when I am in there to get the debris moving.

Re: L128 Sexing

Posted: 12 Dec 2020, 20:17
by Cleo21
Here are some updated pictures. I have noticed lots of odontode growth on the male and some beginning on the other two.

Re: L128 Sexing

Posted: 13 Dec 2020, 16:40
by MarcW
You certainly have a male!

Unknown 2 could be a female, but it's very tricky, for me at least, to tell from photos.

They all look healthy, you have some caves, now the waiting starts, hopefully one day you'll see eggs, then you can be sure one of them is a female!

Re: L128 Sexing

Posted: 27 Mar 2021, 23:47
by Cleo21
Here are some updated pictures :)

Re: L128 Sexing

Posted: 22 May 2021, 15:47
by Cleo21
Here is pictures of the two that I still am at a crossroads with. These pictures are not the best but hopefully will tell more than just a picture from the top!

Re: L128 Sexing

Posted: 31 Jul 2021, 01:20
by Cleo21
Would this be a female?

Re: L128 Sexing

Posted: 31 Jul 2021, 05:32
by bekateen
Are all 3 pics the same fish? From the dorsal pic, I would have said male. But from the ventral pics, I'm inclined towards female. Sorry, not very helpful.

Cheers, Eric

Re: L128 Sexing

Posted: 31 Jul 2021, 16:26
by Cleo21
bekateen wrote: 31 Jul 2021, 05:32 Are all 3 pics the same fish? From the dorsal pic, I would have said male. But from the ventral pics, I'm inclined towards female. Sorry, not very helpful.

Cheers, Eric
They are all the same fish. :)

Re: L128 Sexing

Posted: 12 Sep 2021, 23:10
by Cleo21
Got another L-128 to make a group of 4. Went for a smaller sized one. I was able to get them all together for a picture. Let me know what you think!

Re: L128 Sexing

Posted: 14 Sep 2021, 09:59
by MarcW
Purely based on body shape, I'd say the two smaller fish are more likely to be female than the two bigger ones! They are tricky ones to figure out, good luck with them!

Re: L128 Sexing

Posted: 25 Feb 2023, 22:56
by Cleo21
Got a quick photo of one of my blue phantoms. Thinking it’s for sure a female? Any thoughts? Picture is from the tank during a clean, therefore not the best.

Thanks!

Re: L128 Sexing

Posted: 28 Feb 2023, 11:19
by sturiosoma
Cleo21 wrote: 12 Sep 2021, 23:10 Got another L-128 to make a group of 4. Went for a smaller sized one. I was able to get them all together for a picture. Let me know what you think!
I am going to say that in looking at picture E that the fish to the far left with its head in the corner is a female and the fish 3rd. from the left is most definitely a male, would you have any clear ventral pictures that would also include the pectoral fins, and were these fish purchased as wilds

Jeanne

Re: L128 Sexing

Posted: 11 Jul 2023, 02:25
by Cleo21
Had the chance to take out two of the blue phantoms. Still not sure on genders of these two.

Re: L128 Sexing

Posted: 14 Jul 2023, 20:39
by Griparn
Male and female. 👍

My 2 cents.

Re: L128 Sexing

Posted: 24 Aug 2024, 02:45
by Cleo21
Moving them around and got some updated pictures

Re: L128 Sexing

Posted: 24 Aug 2024, 17:29
by Fallen_Leaves16
The larger fish are all very nice males; that smaller fellow might be a female, but I'd personally say it's too soon to make any assumptions yet.