Bahamonde and Pequeño (1975)はチリで本種の代わりにPolyprion yanezi de Buenを認めている。
(中村 泉)
Material examined:
3 from Chile (506.0-566.6 mm SL), FAKU CP 175, 429, 584.
Description:
D \-]U, 12; A V, 7-9; P1 17-18; P2 T, 5; GR 0+8=8; BR 7; LLS 120-128.
HL 37.3-38.4% of SL; ED 5.2-5.6; BD 12.0-13.3; SN 11.7-12.5; IO 10.5-11.0; UJ 16.7-17.9; CP 9.1-10.2; P1L 16.6-17.0; P2L 17.2-18.9; D1H 9.6-10.0; D2H 12.0-13.3; AH 11.1-12.5.
Body deep, compressed, body depth 3.6-3.9 times in SL. Head depressed, extremely large, 2.5-2.8 in SL. Mouth large, posterior margin of upper jaw nearly reaching to below posterior margin of eye. Lower jaw extending anterior to upper jaw. Fine conical teeth in bands on both jaws and vomer. Villiform teeth in band on palatines. Posterior margin of upper jaw wide, its width about equal to fleshy orbit. Snout sharp and fairly long, its length 3.1-3.3 times in head. Eye moderate in size, its diameter 7.1-7.7 times in head. Nostrils large, situated closely each other, both nearer to anterior margin of eye than to tip of snout; anterior nostril circular with a low flap around and posterior nostril oval without flap. Posterior margin of preopercle serrated, serrations at angle larger. Posterior margins of opercle and subopercle finely serrated partly. Gill-rakers short and stout with fine spines inside. Pseudobranchiae present. Spines of dorsal, anal and pelvic fins very srtong. Two small spines on opercle; lower spine with a strong ridge anteriorly and upper spine without a ridge. Pectoral fin round, small, its length 2.2-2.5 times in head. Pelvic fin long, slightly longer than pectoral fin. Caudal fin slightly truncate with deep caudal peduncle. Head, body and bases of fins except first dorsal fin covered with small ctenoid scales. Lateral line gently curved anteriorly and nearly straight posteriorly, running nearer to dorsal profile.
Distribution:
Chilean Patagonia.
Remarks:
Bahamonde and Pequeño (1975) recorded Polyprion yanezi de Buen in Chile, instead of this species.
(Izumi NAKAMURA)
Distribution of Polyprion oxygeneios in Patagonia.
Head with opercular spines (1) and projected lower jaw (2).