Types of prochilodus

[regalt]

I have two flag tail prochilodus one has more of a red tail and the other is a orangish yellow he also has a smaller fin on top just before his tail fin any idea of what type these guys are?

 

[regalt]

Any one know of what types they are?

 

[Mobatic]

They are the same type, when flag tail get stable you see their color start to get more red. That what happen when I picked up 5 flagtails and see that some are lighter than other but then slowly they adjust.

 

[regalt]

They are the same type, when flag tail get stable you see their color start to get more red. That what happen when I picked up 5 flagtails and see that some are lighter than other but then slowly they adjust.

What abut the one with the fin between the tail and the dorsal fin.

 

[Mobatic]

What abut the one with the fin between the tail and the dorsal fin.

Those will grow as well and become red but that lil fin doesnt grow big.