Fish identification?

[malamutekid]

This one is on craigslist in my area:

I know I've seen this fish before, but I can't remember what it's called. Could someone please give me an ID?

 

[SimonL]

Distochodus lussuso (spelling?). Big and mean, but good with other big, tough fish like cichlids.

 

[malamutekid]

Distochodus lussuso (spelling?). Big and mean, but good with other big, tough fish like cichlids.

Sweet! Thanks!