分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 底中水层性; 深度上下限 180 - 400 m (Ref. 6181). 深水域; 20°S - 27°S, 90°W - 81°W (Ref. 6181)
Southeast Pacific: known only from seamounts of Nazca Submarine Ridge and adjacent parts of Sala y Gomez Ridge.
東南太平洋: 已知只來自 Sala y Gomez 脊的納斯卡海底脊的海洋山脊與毗連部份了。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 43.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 6181); 最大年龄: 15 年 (Ref. 6204)
背棘 (总数) : 18; 背的软条 (总数) : 15 - 18; 臀棘: 2; 臀鳍软条: 12 - 14; 脊椎骨: 34. Lateral line branching below the 5th to 7th spine of the first dorsal fin, usually ending below the third to the last spine of the first dorsal fin. The lower branch runs mid laterally, sometimes undulating on caudal peduncle. Body is entirely scaled at a length of over 20 cm SL. Pyloric caeca 7 or 8. Body color is brown with silvery tint; anterior 2 membranes of the first dorsal fin black, the rest of the fin black edged; the posterior part of the pectoral fin is black.
侧线在第一背鳍的这第 5 到第 7根棘下分枝, 通常在第一背鳍的第三个到最后的硬棘下面终止。 下面的分支侧面中央地跑, 有时波动在尾梗上。 身体完全地被鳞片在体长超过 20 公分 SL。 幽门盲囊 7 或 8. 体色是褐色的有银色的色彩; 第一背鳍黑色的前面 2个薄膜, 其它的鳍黑边; 胸鳍的后面的部份是黑色的。
Feeds on squid and fish. Matures at about 25 cm.
吃乌贼与鱼。 在大约 25 公分时成熟。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
東南太平洋: 已知只來自 Sala y Gomez 脊的納斯卡海底脊的海洋山脊與毗連部份了。
Nakamura, I. and N.V. Parin, 1993. FAO Species Catalogue. Vol. 15. Snake mackerels and cutlassfishes of the world (families Gempylidae and Trichiuridae). An annotated and illustrated catalogue of the snake mackerels, snoeks, escolars, gemfishes, sackfishes, domine, oilfish, cutlassfishes,. scabbardfishes, hairtails, and frostfishes known to date. FAO Fish. Synop. 125(15):136 p. (Ref. 6181)
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Estimates based on models
Preferred temperature (Ref.
123201): 10.6 - 11.1, mean 10.8 °C (based on 10 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00163 - 0.00807), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 4.5 ±0.62 se; based on food items.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (tmax=15).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).
