404 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



JOHNIUS SEMILUCTUOSUS (Cuvier) 



Corvina semiluctuosa Cuvier, Hist. Nat. Poiss., vol. 5, p. 106, 1830 (type locality: 

 Malabar; Goa; Pondicherry). — Jerdon, Madras Journ. Literat. Sci., 1851, 

 p. 132.— GtJNTHER, Cat. Fish. Brit. Mus., vol. 2, p. 304, 1860 (China).— 

 Day, Fishes of Malabar, p. 53, 1865 (compiled). — Elera, Cat. Fauna Filip., 

 vol. 1, p. 502, 1895 (Luzon; Manila). — Duncker, Mitt. Naturh. Mus. 

 Hamburg, vol. 21, p. 154, 1903 (1904) (Kuala Lumpur). 



Johnius semiluctuosa Kner, Reise Novara, Fische, p. 134, 1865 (Java). 



Johnius semiluciuosus Bleeker, Verh. kon. Akad. Wet. Amsterdam, vol. 14, 

 No. 4, p. 54, 1874 (compiled). 



Sciaena semiluctuosa Day, Fishes of India, pt. 2, p. 191, 1876 (Bombay, Sind, 

 Beloochistan) ; Fauna Brit. India, Fishes, vol. 2, p. 121, 1889. — Zugmayer, 

 Abh. Bayer. Akad. Wiss., math.-phys. KL, vol. 26, pt. 6, p. 12, 1913 

 (Mekran). 



Sciaena ten-lo Basilewsky, Nouv. Mem. Soc. Nat. Moscou, vol. 10, p. 220, pi. 

 3, fig. 1 (not pi. 1, fig. 3), 1855 (type locality: China). 



Corvina fauvelii Sauvage, Bull. Soc. Philom. Paris, ser. 7, vol. 5, p. 105, 1881 

 (type locality : Swatow, China) . 



Sciaena fauvelii Rtjtter, Proc. Acad. Nat. Sci. Philadelphia, 1897, p. 76 

 (Swatow) . 



Depth 3; head 2%, width 1%. Snout 3% in head; eye 4K to 6, 1 to 2 

 in snout, 1 to IK in interorbital ; maxillary reaches K to % in eye, 

 expansion 2% in head; lower jaw little shorter than upper; 3 open 

 pores across snout base, 5 more along free edge of sldn and small, 

 lateral lobe; 5 pores under mandibular symphysis; teeth villiform, 

 outer row enlarged and few enlarged outer ones above mandibular 

 symphysis; interorbital low; hind preopercle edge denticulate or 

 crenulate. 



Scales 85 along above lateral line to caudal base, 75 along below; 

 55 to 60 scales in lateral line to caudal base; 8 or 9 above, 25 below; 

 base of soft dorsal thickly scaled. 



D. X, I, 28 to 31, spines weak, third spine 2% in head, % higher 

 than rays; A. II, 7, second spine strong, % first ray or 2% in head; 

 caudal 1%, rounded or cuneate; least depth of caudal peduncle SK; 

 pectoral 1%; ventral 1%, first ray filamentous. 



Deep gray, with blackish band running along center of each row of 

 scales, faint in young. Head glossed with purple. Fins all deep 

 black. (Cuvier; Day.) 



India, Malacca, East Indies, China. Reported from the Philippines 

 by Elera. According to Sauvage Corvina fauvelii is said to differ from 

 Johnius semiluduosus in the marked notch between the 2 dorsal fins 

 and the denticulated preopercle. Likely the young. It is described 

 in brief: 



Depth somewhat over 4 in total; head 4. Eye 4K in head; maxil- 

 lary nearly reaches opposite hind eye edge; upper jaw convex, covers 

 lower; upper jaw with 7 little enlarged teeth each side; preopercle 

 distinctly denticulated, with 3 or 4 denticles enlarged at angle. 



Scales 68 in lateral line. 



