分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Stomiiformes (Lightfishes and dragonfishes)
巨口魚目 (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes)
巨口魚科 (Barbeled dragonfishes) > Melanostomiinae
Etymology: Eustomias: Greek, eu = good + Greek, stoma = mouth (Ref. 45335); pacificus: Named after the Pacific Ocean, to which this species is endemic.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海區的; 深度上下限 0 - 1000 m (Ref. 11333). 深水域
Eastern Central Pacific: off Oahu, Hawaiian Islands and from 21°N, 144°W. Also Western Central Pacific (Ref. 39804).
中太平洋東部: 外海的歐胡島, 夏威夷群島與從 21 ° N,144個 ° W. 也中西太平洋.(參考文獻 39804)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 15.7 cm SL 雄魚/尚未辨別雌雄; (Ref. 11333)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 24; 臀鰭軟條: 39; 脊椎骨: 69. A single, ovoid terminal bulb 0.8-1.8% SL, with nipple-like distal protuberance. Barbel 41-58% SL. A single but complex terminal filament with 2 long branches arising together near its base, followed by 1-5 large bulblets, then by 2 shortest branches arising together, each usually with a prominent large bulblet; all branches and the main filament with numerous, prominent small bulblets. Filament length 12% SL. Axis of stem lightly or unpigmented; a prominent, wide, black circle forming a cap at base of terminal bulb. External chevron-shaped or roundish striated areas unpigmented. Middorsal paired spots between occiput and dorsal-fin origin usually 7, sometimes 8. Anterior margin of fleshy orbit with a distinct slender pedicel extending posteriorly over the eye (Ref. 11333).
一, 卵形的末端球莖 0.8-1.8% SL, 藉由像乳頭一樣的末梢部的突起。 觸鬚 41-58% SL。 一但是複雜的末端絲狀突起有兩個，在被跟隨著 1-5個大的球莖的它的基底的附近一起出現的長的分支，然後一起出現的 2個短的分支，每個通常有突出的大 bulblet; 所有的分支與主要的絲狀突起有很多的, 突出的小球莖。 絲狀突起長度 12% SL。 莖的軸輕輕的或沒有顏色; 一個形成一個的突出﹐寬的﹐和黑色的圓圈在末端球莖的基底加蓋於。 外部的鋸齒形或圓的有條紋的區域沒有顏色。 在後腦部與背鰭起點之間的背面中央的成對斑點通常 7, 有時 8. 肉質眼窩的前緣具有一個在眼之上向後延伸的明顯的細長莖。 (參考文獻 11333)
Mesopelagic (Ref. 58302). Environment and depth range needs to be checked.
中層帶.(參考文獻 58302) 環境與深度範圍需要被檢查。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
中太平洋東部: 外海的歐胡島, 夏威夷群島與從 21 ° N,144個 ° W. 也中西太平洋.(參考文獻 39804)
Gibbs, R.H. Jr., T.A. Clarke and J.R. Gomon, 1983. Taxonomy and distribution of the stomioid fish genus Eustomias (Melanostomiidae), I: subgenus Nominostomias. Smithson. Contrib. Zool. 380:139 p. (Ref. 11333)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 13 August 2019
人類使用
漁業: 沒有興趣
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Estimates based on models
Preferred temperature (Ref.
123201): 1.6 - 3, mean 1.7 °C (based on 57 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 (0.00116 - 0.00786), b=3.12 (2.89 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.3 ±0.8 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Assuming tmax>3).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
