分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Alepocephaliformes (Slickheads and tubeshoulders.) >
Alepocephalidae (Slickheads)
Etymology: Alepocephalus: Greek, alepos, alepidotos = without scales + Greek, kephale = head (Ref. 45335); planifrons: Named for its wide, smooth upper surface on the head..
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 400 - 750 m (Ref. 41471). 深水域
Southeast Pacific.
東南太平洋。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 31.7 cm SL (female)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 17 - 20; 臀鳍软条: 18 - 21; 脊椎骨: 52 - 54. Head relatively short, <39.5-0.025% SL. Snout short (22-28%HL); broadly triangular anteriorly when viewed from above. Orbit diameter about 1/5 to 1/4 HL, along the whole upper edge and on the separate elongate-shaped part of the lower-posterior part of the orbit are accumulation s of whitish connective tissue. Interorbital space very wide, ca. 17-30% HL, flat, narrows very slightly at the middle of the orbit. Upper jaw extends to below the center of the orbit. Branchiostegal rays 8-9. Transverse rows of scales above lateral line 60-65, 30-35 predorsal. Gill rakers' length less than gill lamellae length, and completely free at the base. Opercle has a projection at the lower anterior corner; subopercle has a wide posterior edge usually with no separate processes. Anus not shifted forward from the origin of the anal fin. Pyloric caeca 12-18 (Ref. 41471).
头部相当短的,<39.5-0.025% SL。 吻短 (22-28% HL); 宽广三角形前面地当从上方看了。 眼窝直径大约 1/5 对 1/4 HL, 沿着整个的上缘与在个别延长-形状部份上下面的-眼窝的较后面的部分是微白色连接着组织的积聚 s。 眼间隔非常宽的, 大约 17-30% HL, 平坦的, 狭窄的非常些微地在眼窝的中央。 上颌在眼窝的中心之下延伸到。 鳃条骨 8-9. 横跨的列鳞片在侧联机面 60-65,30-35 前背的。 鳃耙的长度少于鳃小片长度, 而且完全地在基底分离。 鳃盖的在下面的前面角落有一个突出; 子鳃盖有一个宽的后缘通常有没有个别的突起。 肛门不改变向前的从臀鳍起点。 幽门盲囊 12-18.(参考文献 41471)
Inhabits continental slopes.
栖息于大陆斜坡。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
東南太平洋。
Sazonov, Y.I., 1994. A new species of slickhead Alepocephalus planifrons (Alepocephalidae) from the southeastern Pacific. J. Ichthyol. 34(2):104-111. (Ref. 41471)
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Estimates based on models
Preferred temperature (Ref.
123201): 2.2 - 4, mean 2.6 °C (based on 75 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00164 - 0.00733), b=3.19 (3.00 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.6 ±0.2 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (29 of 100).