cokelover58 Posted March 20, 2022 Share Posted March 20, 2022 I recently got lemon tetras from Petco. I bought 8, 6 from one tank 2 form another. The 2 from the 2nd tank were the normal yellow fish with red eyes. The 6 from the other tank were smaller, probably younger, but had silver color and normal eyes. I've seen them both ways from watching videos and am not sure what is up. Are the not colored up ones juveniles or possibly females? The first image is going to be a not so helpful picture of what I'm referring to, I'll post 2 others from the internet to show what I am talking about with the differences. Thank you for any help! Link to comment Share on other sites More sharing options...
cokelover58 Posted March 20, 2022 Author Share Posted March 20, 2022 Here are my actual photos of the 2 different types. The pictures with 2 of them are the plain ones. the single one is the the more lemony types I got. Link to comment Share on other sites More sharing options...
Odd Duck Posted March 20, 2022 Share Posted March 20, 2022 I think you have 2 different species. Lemon tetras (Hyphessobrycon pulchripinnis) have black arcs on ventral and dorsal fins. An upward arch in the dorsal, and a forward pointing, almost V in the ventral, plus red eyes. Pristella tetras (Pristella maxillaris) have a black band across the dorsal, ventral, and pectorals, plus a silver eye. I think you have Pristellas mixed in there. I know there are other similar tetras but I can’t think of them right now. 1 Link to comment Share on other sites More sharing options...
cokelover58 Posted March 20, 2022 Author Share Posted March 20, 2022 Thanks for the reply. I do believe you are correct. I went to another LFS and got some lemon tetras but they aren't colored up, will this come in time when they feel more secure? they are larger then my actual lemon tetras. Link to comment Share on other sites More sharing options...
Jawjagrrl Posted March 20, 2022 Share Posted March 20, 2022 Tempted to say the silver ones are x-ray tetras? I've been studying tetra types for my SA project and they were on my list. Link to comment Share on other sites More sharing options...
Colu Posted March 20, 2022 Share Posted March 20, 2022 With most tetras it depends on lighting and good quality food will improve they colour lemon tetras can look washed out under bright lights 1 Link to comment Share on other sites More sharing options...
Biotope Biologist Posted March 20, 2022 Share Posted March 20, 2022 On 3/20/2022 at 1:03 PM, cokelover58 said: Thanks for the reply. I do believe you are correct. I went to another LFS and got some lemon tetras but they aren't colored up, will this come in time when they feel more secure? they are larger then my actual lemon tetras. Your pics didn’t upload. But I am assuming that your lemons are just stressed. On 3/20/2022 at 1:34 PM, Jawjagrrl said: Tempted to say the silver ones are x-ray tetras? I've been studying tetra types for my SA project and they were on my list. This is where common names are frustrating. Pristella and X-ray tetra are the same species. Whereas black neons and flags are not despite often getting lumped in together, they are at least of the same genus. 2 Link to comment Share on other sites More sharing options...
Jawjagrrl Posted March 21, 2022 Share Posted March 21, 2022 On 3/20/2022 at 6:42 PM, Biotope Biologist said: Your pics didn’t upload. But I am assuming that your lemons are just stressed. This is where common names are frustrating. Pristella and X-ray tetra are the same species. Whereas black neons and flags are not despite often getting lumped in together, they are at least of the same genus. True enough - but in my haste I only remembered how to spell X-ray 😉 1 Link to comment Share on other sites More sharing options...
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