Eric W-Farmhouse Fish Room Posted July 10, 2021 Share Posted July 10, 2021 I've had 6 Praecox (Dwarf Neon) Rainbows for quite a while now. Ended up with all males. Have this guy that is quite a bit larger than the others and always has a pronounced horizontal stripe. I assume this is just the dominant male (as opposed to a different species or hybrid), but this is my first time keeping them and I've never seen one quite so large or with that dark stripe. Looking at picking up some females and trying to spawn, so I wanted to make sure. Thanks in advance. Link to comment Share on other sites More sharing options...
shkote Posted July 10, 2021 Share Posted July 10, 2021 It has always been my experience that the presence of a horizontal stripe usually signifies a hybrid. I have raised these guys for awhile now and never had any with horizontal stripes, and I've got some pretty big boys. 1 Link to comment Share on other sites More sharing options...
Eric W-Farmhouse Fish Room Posted July 10, 2021 Author Share Posted July 10, 2021 I feel like have seen stripes in other varieties before, but not in these. I would not think it was ALWAYS indicative of a hybrid. Regardless, all of my others are the iridescent blue that is typical. Where's @Bob when you need him? His videos are what got me into rainbows to start with. Link to comment Share on other sites More sharing options...
Colu Posted July 10, 2021 Share Posted July 10, 2021 That looks like a colour morph of Melanotaenia trifasciata Link to comment Share on other sites More sharing options...
sudofish Posted July 10, 2021 Share Posted July 10, 2021 I've got a group of 7 of them and none have a horizontal stripe on them. Link to comment Share on other sites More sharing options...
Bob Posted July 22, 2021 Share Posted July 22, 2021 On 7/10/2021 at 12:10 PM, Eric W-Farmhouse Fish Room said: I feel like have seen stripes in other varieties before, but not in these. I would not think it was ALWAYS indicative of a hybrid. Regardless, all of my others are the iridescent blue that is typical. Where's @Bob when you need him? His videos are what got me into rainbows to start with. Sorry, missed this notification. As others have said. Looks like a hybrid, most likely with Goyder River Rainbow as they are commonly kept together since they are both on the smaller side. Link to comment Share on other sites More sharing options...
Pizzafan Posted July 22, 2021 Share Posted July 22, 2021 That’s a cool fish anyway! Link to comment Share on other sites More sharing options...
Grin Ghost Posted June 12, 2022 Share Posted June 12, 2022 Is it ok to have an all male group? I'm thinking of adding these amazing fish to my tank but have never kept them before. Is there agression between males if there are no females in the tank? Thanks in advance! Link to comment Share on other sites More sharing options...
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