tilefish

noun pl. -·fish′, -·fish′es

any of a family (Malacanthidae) of percoid fishes that live in the deep waters of the sea, including some large food fishes; esp., a W Atlantic fish (Lopholatilus chamaeleonticeps) with a golden-spotted blue or purple body, yellow-spotted fins, and a fleshy crest on the head

Etymology: < ModL (Lophola)til(us) + fish