CO129-538-2 Hong Kong University 23-6-1932 - 15-3-1933 — Page 173

CO129 Colonial Office Hong Kong Records 理藩院香港檔案 All

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HENRY W. FOWLER

Broad scaly flap between ventrals and scaly flap at outer axil of fin. Anal larger than dorsal. Vent slightly postmedian.

Synopsis of the Species.

a'. Dorsal high as long; anal rays 15 or 16.

myops.

a2. Dorsal considerably higher than long; anal rays 12.

altipinnis.

Figure 3. Trachinocephalus myops (Schneider). Trachinocephalus myops (Schneider). Figure 3.

HW.F

Salmo myops Schneider, Syst. Ichth. Bloch, 1801, p. 421. St. Helena : on Forster.

Synodus myops Bleeker, Nederl. Tijds. Dierk., vol. 4, 1874, p. 147 (reference).

Saurus myops Wu, Contr. Biol. Lab. Sci. Soc. China, vol. 5, No. 4, 1929, p. 56, fig. 46 (Amoy).

Trachinocephalus myops Seale, Philippine Journ. Sci., vol. 9, 1914, p. 59 (Hong Kong).--Fowler, Proc. Acad. Nat. Sci. Philadelphia, 1929, p. 6o2 (Hong Kong).

Saurus lemniscatus Richardson, Ichth. China and Japan, 1846, p. 301. Sea of China.

Saurus trachinus Jouan, Mem. Soc. Imp. Sci. Nat. Cherbourg, vol. 13, 1868, p. 271 (Hong Kong).

Trachinocephalus limbatus Rutter, Proc. Acad. Nat. Sci, Philadelphia, 1897, p. 68 (Swatow).

Depth 4% to 63/5; head 34 to 4; snout 5% to 71⁄2 in head; cyc 46 to 74/5, adipose lids rudimentary; premaxillary 13 to 2; interorbital 64 to 112. Scales 55 to 61 in lateral line, 4 above, 6 or 7 below, 17 or 18 predorsal. Dorsal rays 12 to 14; anal 15 or 16; pectoral 22/5 in head; ventral 18. Pale or golden brown, lighter below, with 5 or 6 slightly bluish variable longitudinal stripes on back. Blackish scapular blotch.

Fins pale or yellowish, dorsal with dark spots. Reaches 325 mm.

The Hong Kong Naturalist.

A Synopsis of the Fishes of China

255

Hong Kong*, Swatow, Amoy.-(Natal, Portuguese East Africa*, India, East Indies, Philippines, Formosa*, Japan*, Australia, Melanesia,

Also in the Atlantic*). Polynesia, Hawaii*.

China.

Trachinocephalus altipinnis (Günther).

Saurus altipinnis Günther, Cat. Fishes Brit. Mus., vol. 5, 1864, p. 397-

Synodus altipinnis Bleeker, Nederl. Tijds. Dierk., vol. 4, 1872, p. 147

(reference).

Depth 7; head 43; snout depressed, pointed, rather broader than long; upper jaw little longer than lower; interorbital space little concave and equals in width eye diameter; cach frontal bone with fine, inconspicuous, radiating striae. Scales 59 in lateral line, without keel on tail, 5 above, 7 below, 21 predorsal. Dorsal rays 11, higher than long; anal 12; pectoral 13, reaches eleventh scale of lateral line; ventral rays 8. Silvery band along side of body and tail, below lateral line and wide as scale. Length 255 mm. (Günther). China.

SYNODUS Gronow.

Lizard Fishes.

Synodus Gronow, Zoophylacii, 1763, p. 112. Linnacus, tautotypic. Species nonbinomial.

Type Esox synodus

Body clongate, partly terete. Head depressed. Snout triangular, rather pointed. Eye rather large, well advanced. Mouth very wide. Pre- maxillaries not protractile, over half length of head, with 1 or 2 series of large compressed knife like teeth, inner larger and depressible. Single band of similar smaller ones on each palatine. Lower jaw with band of rather large teeth. Gill rakers very small, spine like. Pseudobranchiae well deve- loped. Branchiostegals 12 to 16. Stomach with large blind sac. Pyloric Scales small, adherent, cycloid. Top of head, cheeks and opercle scaly. Dorsal short, anterior. Anal short. Caudal forked, narrow, small. Pectoral moderate, inserted high. Ventral advanced, large, inner rays longer. Vent well postmedian.

caeça numerous.

Voracious fishes of moderate or small size, living on sandy shores or at moderate depths.

stick).

Synodus japonicus (Houttuyn). Figure 4.

Hwa kow kwan (flowering dog stick), Fa kow kwan (painted dog

Cobitis japonicus Houttuyn, Verh. Holland. Maatsch. Wet. Haarlem, vol. 20, 1782, p. 337. Japan.

Synodus japonicus Seale, Phillipine Journ. Sci., vol. 9, 1914, p. 59 (Hong Kong).-Fowler, Proc. Acad. Nat. Sci. Philadelphia, 1929, p. 602 (Hong Kong).

Saurida japonica Wu, Contr. Biol. Lab. Sci. Soc. China, vol. 5, No. 4+ 1929, p. 58, fig. 47 (Amoy),

December 1932.

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