Validity of Psammoperca datnioides Richardson 1848 and redescriptions of P. waigiensis Cuvier in Cuvier & Valenciennes 1828 and Hypopterus macropterus (Günther 1859) in the family Latidae (Perciformes) from the Indo-West Pacific Author Iwatsuki, Yukio Author Newman, Stephen J. Author Tanaka, Fumiya Author Russell, Barry C. text Zootaxa 2018 2018-03-29 4402 3 467 486 journal article 30379 10.11646/zootaxa.4402.3.3 df5319b7-20d2-4f93-899a-e38ab61acb1d 1175-5326 1209692 4F73A41E-3B2E-4A04-B1DC-7E30723FD350 Psammoperca Richardson 1844 Type species: Labrax waigiensis Cuvier & Valenciennes 1828 Diagnosis. Distinguished from other latid genera by the following combination of characters: a smooth horizontal limb of the preopercle; nostrils widely separated on each side of the head, anterior nostril with a tube-like flap or skin flap posteriorly, and posterior nostril oval and larger; tiny scales (not seen with naked eye but visible through binocular scope) on posterior uppermost part of the maxilla; one row of lateral-line scales on caudal fin; several supralamellar tooth patches only on outer face of first four gill arches and a tooth patch on the basihyal; ventral border of first and second infraorbital bones smooth (no denticulations); no parapophysis on the first 5 or 6 abdominal vertebrae; epineurals on the first 7 or 8 abdominal vertebrae; three sharp, strong spines on inferior margin of preopercle; supraneural spine formula 0/0/0 + II/I + I/; dorsal-fin rays VII‒I, 12 or 13; anal-fin rays III, 8; caudal fin with posterior border rounded; procurrent spur present; vertebrae 11 + 14 = 25. Distribution. Two species from southern Indian coast, Bay of Bengal and Andaman Sea, to western Pacific, north Okinawa Island, Japan , and south to Australia .