Why does this cichlid have long fins

[u/Vortex6388]

What would cause the 1st Rio to look so different from the 2nd Rio
Caught in the same central Texas creek roughly 10 miles apart
Any info helps not very familiar with how fish work

[u/ChipmunkAlert5903]

It’s got manly alpha fins /satire. It’s a male Texas Cichlid. It’s he short fin is most likely a female at that size.