What Is This?

[Joshwainwright]

What is this fish?

 

[joecoral]

It's a plec, possibly a gibbiceps?

 

[helterskelter]

yes it's a gibbiceps

 

[snowflake311]

Looks like a sail fin gibby pleco. Hope you have a big tank. These guys get other 12" but they are cool and pretty. They are starting to become very common.