分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Barathronus: Greek, barathron = abyss + ending -ites, that lives there; the Barathron was a deep pit in Athens where criminals were thrown; 1849 +Greek, onos = hake.
More on authors: Goode & Bean.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海区的; 深度上下限 366 - 3270 m (Ref. 121928), usually 366 - 1640 m (Ref. 34024).
Western Central Atlantic: Gulf of Mexico and the Caribbean Sea.
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 14.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 121928)
背的软条 (总数) : 62 - 78; 臀鳍软条: 46 - 59; 脊椎骨: 68 - 75. Barathronus bicolor differs from the other five species of the genus with dark-pigmented peritoneum by the following combination of characters: D 62-78, A 46-59, pectoral-fin rays 22-27, anterior gill arch with 28-35 long rakers; vertebrae, precaudal 31-36, total 68-75; vomer with 1-5 fangs; paired bulbs at basis of penis not developed; no ventral flexure of anteriormost vertebrae; penis in ripe specimens long (up to 15% SL) and slender; fresh specimens light brownish with dark-blue peritoneum; otolith almost circular three times as long as thick and centrally placed sulcus 3-4 times in length of otolith (Ref. 121928).
Common species (Ref. 34024).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
Nielsen, J.G., 2019. Revision of the circumglobal genus Barathronus (Ophidiiformes, Bythitidae) with a new species from the eastern North Atlantic Ocean. Zootaxa 4679(2):231-256. (Ref. 121928)
人类利用
渔业: 没有兴趣
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Estimates based on models
Preferred temperature (Ref.
123201): 4.8 - 10.4, mean 6.3 °C (based on 143 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00179 - 0.01169), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
