分类 / Names
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Teleostei >
Lophiiformes (Anglerfishes) >
Gigantactinidae (Whipnose anglers)
Etymology: Gigantactis: Greek, 'gigas' or 'gigantos' = gigantic + Greek, 'aktis' = ray (referring to the unusually long first dorsal-fin spine that functions as a lure in this genus) (Ref. 86949); longicauda: From the Latin longus, for long, and cauda for tail, in reference to the deeply cleft caudal fin and elongate caudal fin rays (Ref. 41361).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海区的; 深度上下限 500 - 1200 m (Ref. 86949). 深水域
Western Central Atlantic.
中西大西洋。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 11.4 cm SL (female)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 背的软条 (总数) : 5; 臀棘: 0; 臀鳍软条: 5. Metamorphosed females differ from all other Gigantactis congeners in having length of illicium 330% SL; escal bulb nearly spherical, with a short, truncated distal prolongation, pigmented distally, and bearing two pairs of short, spatulate appendages; stem of illicium without filaments (Ref. 41361); short dentary teeth (longest tooth 1.7% SL), arranged posteriorly in two longitudinal series; longest caudal fin rays 50% SL (Ref. 86949).
变态的雌性不同于所有的其他 Gigantactis 同类有诱饵 330% SL 的长度; 饵球几乎圆球状, 具有一个短,截形的末梢部的延伸,末梢部地有颜色, 而且生长着两对的短，竹片状的附肢; 没有丝状突起的诱饵的茎; 齿骨齿短 (长的牙齿 1.7% SL),在后部地在二纵向的系列中安排; 长的尾部鳍条 50% SL.(参考文献 41361)
Known only from the holotype collected in an open midwater trawl (Ref. 41361). Maximum length based on an immature female (Ref. 41361).
所知仅来自正模标本在一个开放的中层水域拖网收集了.(参考文献 41361) 最大的长度以一个不成熟的母鱼为依据.(参考文献 41361)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
中西大西洋。
Bertelsen, E. and T.W. Pietsch, 2002. New species of deep-sea anglerfish of the genus Gigantactis (Lophiiformes: Gigantactinidae) from the western North Atlantic Ocean. Copeia 2002(4):958-961. (Ref. 41361)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.8 ±0.7 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
