分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Eustomias: Greek, eu = good + Greek, stoma = mouth (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋. 熱帶; 12°N - 25°S
Eastern Atlantic: two records at 5°N 20°W and 11°S 11°W. Western Atlantic: Gulf of Mexico, Bahamas, and the western Atlantic from 12°N to 23°S.
東大西洋: 在 5 ° N 的二個記錄 20 ° W 與 11個 °S 11個 ° W. 西大西洋: 墨西哥灣，巴哈馬, 與來自 12個 ° N 到的大西洋西部 23個 ° S.
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 25.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 4468); 17.9 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) : 21 - 25; 臀鳍软条: 35 - 42. Body black, elongate and slender; depth 5-8% SL. Long, tapering protrusible snout. Slender barbel stem and two terminal bulbs. Barbel stem has little or no external pigment (Ref. 37039). Two terminal bulbs separated by a short interspace, less than half to 1.5 the length of distal bulb. Barbel length increasing to 70-91% SL in specimens 10.5-15 cm, apparently decreasing in large females (17.9-25.3 cm) to 46-51%. Terminal filament short (9% SL or less, slightly longer to 5 times longer than distal bulb) with 2 well-developed side branches arising just distal to bulb and often other branches along its length. All branches with prominent internal bulblets, some nearly the same diameter as branch, resulting in a series of swellings in many specimens. No melanophores in stem, between bulbs, or in filaments in specimens up to 15 cm SL; none between bulbs at any size. Middorsal paired spots under skin between occiput and dorsal-fin origin usually 8, sometimes 7 (Ref. 11333).
身体黑色的，细长的与细长的; 深度 5-8% SL。 长的, 尖端细的能伸展的吻。 细长的触须茎与二个末端的球茎。 触须茎有少或没有外部的有颜色。 (参考文献 37039) 被一个短间隙分开的二个末端的球茎, 少于对 1.5 末稍球茎的长度的一半。 触须长度对在标本中的 70-91% SL 增加 10.5-15 公分, 显然地对 46-51% 在大的雌鱼 (17.9-25.3 公分) 中减退. 末端的丝状突起短 (9% SL 以内, 些微地更长的对倍 5 末稍球茎) 有两个出现的发展良好的支流正好末梢部对球茎与时常其他的分支沿着它的长度。 所有的分支有突出的内在球茎, 一些几乎如同分支一般的直径, 在许多标本中造成一系列的膨胀。 在茎中的没有黑色素细胞, 在球茎之间, 或在标本的丝状突起向上到 15 公分 SL; 在任何的大小在球茎之间的没有。 在后脑部与背鳍起点之间的皮肤下面的背面中央的成对斑点通常 8, 有时 7.(参考文献 11333)
Feeds on midwater fishes (Ref. 37039).
吃中层水域鱼。 (参考文献 37039)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
東大西洋: 在 5 ° N 的二個記錄 20 ° W 與 11個 °S 11個 ° W. 西大西洋: 墨西哥灣，巴哈馬, 與來自 12個 ° N 到的大西洋西部 23個 ° S.
Gibbs, R.H. and M.A. Barnett, 1990. Melanostomiidae. p. 308-337. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4468)
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Estimates based on models
Preferred temperature (Ref.
123201): 5.1 - 13.2, mean 7.2 °C (based on 64 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00117 - 0.00783), b=3.12 (2.89 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 4.2 ±0.73 se; based on food items.
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 vulnerability (21 of 100).
