魚類学雑誌
Online ISSN : 1884-7374
Print ISSN : 0021-5090
ISSN-L : 0021-5090
我が国から未記録のスズメダイ科魚類の1種Teixeirichthys mossambicusについて
山川 武
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ジャーナル フリー

1966 年 14 巻 1-3 号 p. 49-52

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In 1953, SMITH described a new species of Pomacentridae, Teixeirichthys mossambicus, collected from the Mozambique Channel, East Africa. The author wishes to report here the occurence of this species and its external characters, because this species is very rare and not recorded from waters of Japan. The external characters of the present specimen are as follows:
D. XIII, 12; A. II, 13; tubes of lateral line 30; scales in longitudinal series 44; 6. scales above lateral line, 12 lower; 10+14 slender gill-rakers on first arch. Head 3.5in standard length; depth 2.4; eye 2.6 in head; snout 3.7; interorbital 2.6; depth of caudal peduncle 1.8. Body elongate oval, compressed. Mouth small; maxillary reach ing to below front edge of pupil. A single series of more or less compressed teeth in each jaw, small laterally, gradually enlarge frontally. Palatines edentate. Sub orbitals very narrow, not smooth; hind edge of preopercle serrate, the lower edge smooth; some moderate denticles on hinder edge of interopercle and about 20 denticles on lower hinder margin of subopercle; opercle not serrate but with two large flat spines. Interorbital slightly convex; snout spongy, with numerous close-set small pores. Scales strongly ctenoid; head with scaly except front half of interorbital; snout, preorbital and chin, which are naked. Lateral line runs in a gently curve almost parallel with dorsal profile and ends below base of eighth dorsal ray. Caudal rather deeply forked, the lobes pointed and the upper one a trifle longer than the lower. Color in formalin light yellowish brown; sides of head with several rows of dark spots; most scales on body with a narrow dark bars, forming about 15 narrow dark bands along side of body. Axil of pectoral with a conspicuous dark spot.
Described and figured from a single specimen, 117mm in length, from Kochi Central Fish Market, April 20, 1962.

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