How to tell female lyonsi......

[rtague]

Hi all,
I got a group of 6 lyonsi from rapps about 6 weks ago,they're about 4.5'' right now,3 a little bigger than the others,however I don't see any black blotches on any of the dorsals,did I get 6 males or does the absence of the black blotch not necessarily mean male,

 

[tunafish]

Hi all,
I got a group of 6 lyonsi from rapps about 6 weks ago,they're about 4.5'' right now,3 a little bigger than the others,however I don't see any black blotches on any of the dorsals,did I get 6 males or does the absence of the black blotch not necessarily mean male,

Female lyonsi have a black spot in the dorsal just like female festae, trimacs, & salvini.

 

[fishman09]

id think at that size youd see black on the dorsal. you,may have all males or you can wait till they pair up and spawn then you should know. very odd indeed
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[baldtaxguy]

Hi all,
I got a group of 6 lyonsi from rapps about 6 weks ago,they're about 4.5'' right now,3 a little bigger than the others,however I don't see any black blotches on any of the dorsals,did I get 6 males or does the absence of the black blotch not necessarily mean male,

Happened to me with Lyonsi (not from Rapps) where I received 8 males. As juveniles, I suspect that the seller bagged the fish of similar sizing and increased the chances of all males. No big deal, just bought a female and was able to get a spawn.

 

[rtague]

Happened to me with Lyonsi (not from Rapps) where I received 8 males. As juveniles, I suspect that the seller bagged the fish of similar sizing and increased the chances of all males. No big deal, just bought a female and was able to get a spawn.

Yeah,looks like thats what happened,but does absence of the black blotch on the dorsal definetely mean male?.I seem to recall a previous thread regarding a pair of trimacs again from rapps and the female was sans blotch.

 

[NOLAGT]

I think the females will have more pink below the gill area...and the blotch might not have to be real pronounced. I have 2 left from some I got from rapps and I think they are both female. They have a lot of pink and the dorsal is "dark" on the front 1/2...not a blotch. And some times its easier to see than others. Only real way is to vent or have them pair off.

 

[rtague]

I think the females will have more pink below the gill area...and the blotch might not have to be real pronounced. I have 2 left from some I got from rapps and I think they are both female. They have a lot of pink and the dorsal is "dark" on the front 1/2...not a blotch. And some times its easier to see than others. Only real way is to vent or have them pair off.

Thanks bud,I'll take another look,lol.