You will find all cichlids have some formidable dentition, one set of canines around the outside of the mouth (lips)to hold food items, and another set inside the throat to grind things up (like Alien).
Lepidiolamprologus elongatus.
Nandopsis haitiensus
Paretroplus maculatus.
Paratilapia sp
I have been bit by my oscar, nothing, JD , nothing, jags, might draw blood if in right place or get a grip but again, now that big a deal. now a parrot, thats something to wake you, This my Macaw bite after cleaned up. thats a pierce as in skewered my finger.