tile·fish 
(tīlfĭsh′)
(tīlfĭsh′)n. pl. tilefish or tile·fish·es
Any of various chiefly marine fishes of the family Malacanthidae, especially Lopholatilus chamaeleonticeps, a reddish-blue food fish of deep Atlantic waters, having a fleshy flap on the nape and small yellow spots on the upper sides and fins.
[tile- (short for New Latin Lopholatilus, genus name : Greek lophos, crest, fin + New Latin latilus, diminutive of latus, a kind of perch, from Greek latos) + FISH.]