My clownfish has 3 Dorsal fins. Help.

[gloaquaticsNY]

Got this little guy a while back and I always wondered why he has 3 dorsal fins.
I've looked all over the internet and forums and don't see any information regarding it.
He's healthy so I know it's not a health thing/ an I worried about anything. Just kind of want to see if there are many more like that?

 

[coralboi56]

It's still the same typical double dorsal fin, however his first primary dorsal fin either healed wrong from an injury or has a mutation. Really unique clownfish though!!

 

[littlefoxx]

Got this little guy a while back and I always wondered why he has 3 dorsal fins.
I've looked all over the internet and forums and don't see any information regarding it.
He's healthy so I know it's not a health thing/ an I worried about anything. Just kind of want to see if there are many more like that?

Awe! Beautiful