It is a true SAE....not flying fox. I currently have 2 in the tank. One is about 4" and one is 5". They don't mess with the fish but they can swim around fast during feeding and this sometimes upsets the Discus. The flying fox will definately chase other fish while the SAE usually don't. If you need help figuring out difference between the 2 let me know.

The easiest thing to check is the black line is not as jagged and goes through the tail and they have barbs on their mouth. I drop them some flakes first, then give the discus blackworms and that seems to work out pretty well during feeding.

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--->Pictures of my 75g Amazon tank<----