How to tell Retroculus Xinguensis from Lapidifer at 2"?

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You guys seem to be shrimp guys, so I suggest you to buy brine shrimp with spirulina. Good way to get veggies in retros diet. I use to do that but I'm a worm man :p


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You guys seem to be shrimp guys, so I suggest you to buy brine shrimp with spirulina. Good way to get veggies in retros diet. I use to do that but I'm a worm man :p


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In the the warm months i feed all of my fish worms because i can get dozens in a shovel full in the garden (no pesticides obviously) but the ground is still frozen.


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I had a small group of Retroculus xinguensis back around '97, gave them away when they got to 5" or so to someone with a much larger aquarium. IMO they are one of those fish that doesn't benefit from overfull stomachs, in the wild they'd be feeding for most of the daylight hours so mean gut fullness at any particular time might not be that high. I fed them with regular, small meals and they seemed to do extremely well on this, and growth rates were very good (one individual arrived with Camallanus which appeared to knock it back a fair bit). They'd eat anything but struggled with big chunks, would just bounce around like a dog with a hot piece of food. Still wish I'd kept them, lovely fish. Ideal candidates for a Panta Rhei circulation pump. Prior to this, I have had a single unknown Retroculus that came in to a large local retailer as a sample before they'd even appeared in any English language hobby publications, it arrived absolutely hanging with white spot (Ich) so I talked them into letting me try to treat it, but it didn't make it past 24 hours. This may have been a septentrionalis, or could have been a "something else". Was deeper bodied than lapidifer or xinguensis.
 
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