COLLETTE and RUSSO: SPANISH MACKERELS 



range). Nakamura and Nakamura 1982:445- 

 446 (3 specimens; Wakasa Bay, Sea of Japan; 

 description), figs. 1A, 2A. Kyushin et al. 1982: 

 249 (description, photograph). Cressey et al. 

 1983:264 (host-parasite list, 3 copepod species). 

 Lee and Yang 1983:231 (Taiwan), fig. 22 (550 

 mm FL). Collette and Nauen 1983:66-67 (de- 

 scription, range), fig. 



Scomberomorus semifasciatus. Not of Macleay 

 1884. Fraser-Brunner 1950:159 (C. koreanus 

 placed in synonymy of S. semifasciatus). 



Sawara koreana. Mori 1952:136 (listed; Fusan 

 and Chinnampo, Korea). 



Scomberomorus guttatus koreanus. Silas 1964: 

 313-314, 325-326, 328-329 (description and 

 range in part). 



Types. — Cybium koreanum Kishinouye 1915 was 

 based on a specimen collected by Yojiro Wakiya 

 on the west coast of Korea in 1913. There is no 

 evidence to indicate that the specimen is still 

 extant. Data from the original description: D 

 XIV +18-21 + IX; A 18-21 + VIII; GR 3 + 10 = 13; 

 vertebrae 20 + 26 = 46. 



Color pattern. — Nakamura and Nakamura (1982) 

 described fresh specimens taken in Wakasa Bay 

 in the Sea of Japan. Body greyish blue dorsally, 

 silvery white laterally and ventrally. Several 

 longitudinal rows of small brownish spots rather 

 sparsely scattered along lateral median line. First 

 dorsal fin membrane black. Pectoral, second dor- 

 sal, and caudal fins dark brown. Pelvic and anal 

 fins silvery white. 



There are good drawings of S. koreanus from 

 Japan in Kishinouye (1923:pl. 21) and from India 

 in Devaraj (1976:fig. 2), and there is a good 

 photograph of a specimen from the Sea of Japan 

 in Nakamura and Nakamura (1982: fig. 1A). There 

 is a good color illustration of S. koreanus in 

 Kamohara (1967:pl. 22) and a color photograph of 

 a 411 mm specimen from the South China Sea in 

 Kyushin et al. (1982:249). 



Biology. — Little is known of the migrations or 

 movements of S. koreanus. Kishinouye (1923) 

 reported that it spawns at the mouth of Daidoko, 

 near Chinnanpo, Korea, in July. Feeds on sar- 

 dines, anchovies, and shrimps (Kishinouye 1923). 



Diagnosis. — The only species of Scomberomorus 

 with four loops and five limbs to the intestine 

 (Fig. 3f). Other species have two loops and three 

 limbs or a straight intestine. It shares with S. 

 guttatus the presence of numerous fine auxiliary 

 branches that branch from the anterior part of 

 the lateral line on the body (Fig. 56). Scapular 

 foramen small (Fig. 43e) as in S. guttatus and S. 

 niphonius. Supraoccipital crest high (Fig. 15a) as 

 in S. guttatus and S. multiradiatus. 



Description. — Lateral line gradually descending 

 to midline on caudal peduncle. Spines in first 

 dorsal fin 14-17, usually 15 (Table 9); second 

 dorsal fin rays 20-24, usually 22 or 23 (Table 10); 

 dorsal finlets 7-9, usually 8 (Table 10); anal fin 

 rays 20-24, usually 22 or 23 (Table 11); anal 

 finlets 7-9, usually 7 or 8 (Table 11); pectoral fin 

 rays 20-24, usually 22 or 23 (Table 12). Precaudal 

 vertebrae 20 (Table 6); caudal vertebrae 26 or 

 27, usually 26 (Table 7); total vertebrae 46 or 

 47, usually 46 (Table 8). Gill rakers on first 

 arch (1-2)+ (9-12)= 11-15, usually 2+ (11-12) = 13- 

 14 (Table 5). Morphometric characters given in 

 Table 18. 



Size. — Maximum size 150 cm FL and 15 kg in 

 weight; matures at 75 cm and 2.25 kg (Kishinouye 

 1923); common to 60 cm. 



TABLE 18. — Summary of morphometric data of Scom- 

 beromorus koreanus. FL = fork length, HL = head 

 length. 



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