Malacanthidae Stock Video Footage


malacanthidae

The two subfamilies appear to be morphologically different, with members of the Latilinae having deeper bodies bearing predorsal ridge and heads rounded to squarish in profile. In contrast, members of the Malacanthinae are more slender with elongated bodies lacking predorsal ridge and rounded head. They also differ ecologically, with latilines typically occurring below 50 m and malacanthines shallower than 50 m depth. Tilefish range in size from 11 cm (yellow tilefish, Hoplolatilus luteus) to 125 cm (great northern tilefish, Lopholatilus chamaeleonticeps) and a weight of 30 kg. Both subfamilies have long dorsal and anal fins, the latter having one or two spines. The gill covers (opercula) have one spine which may be sharp or blunt some species also have a cutaneous ridge atop the head. The tail fin may range in shape from truncated to forked. Most species are fairly low-key in colour, commonly shades of yellow, brown, and gray. Notable exceptions include three small, vibrant Hoplolatilus species: the purple sand tilefish (H. purpureus), Starck's tilefish (H. starcki), and the redback sand tilefish (H. marcosi). Tilefish larvae are notable for their generous complement of spines and serrations on the head and scales. This feature also explains the family name Malacanthidae, from the Greek words mala meaning "many" and akantha meaning "thorn".




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