分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Myxini
盲鰻綱 (醜魚) (hagfishes) >
Myxiniformes (Hagfishes)
盲鰻目 (Hagfishes) >
Myxinidae (Hagfishes)
盲鰻科 (Hagfishes) > Myxininae
Etymology: Myxine: Ancient Greek word for a slimy fish: myxa, slime; -inus, one who, referring to copious amounts of slime produced by M. glutinosa (See ETYFish); mcmillanae: In honor of marine biologist Charmion B. McMillan (b. 1925), Scripps Institution of Oceanography, for her “fine” contributions to hagfish science (See ETYFish).
Eponymy: Dr Charmion B McMillan (d: 1925) was a marine biologist at the Marine Biology Research Division, Scripps Institution of Oceanography, University of California San Diego. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 非遷移的; 深度上下限 700 - 1500 m (Ref. 26938). 深水域
Western Central Atlantic: Puerto Rico and Virgin Islands.
中西大西洋: 波多黎各與維京群島。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 47.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 26938)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 背的軟條 (總數) : 0; 臀棘: 0; 臀鰭軟條: 0. Body gray; head white; without scales. Internal gill pouches 7, connected to a single gill opening on each side. Dorsal and paired fins absent; anal and caudal fins joined (Ref. 26938). Mucous pores along each side of the body: prebranchial 26-35, trunk 60-70; tail 9-12; total 101-115. Unicusps: anterior 8-10; posterior 8-10; total 42-48 (Ref. 40869).
身體灰色; 頭部白色; 沒有鱗片。 內在的鰓囊 7, 在兩邊上連接到一個鰓裂了。 背部的與偶鰭不存在; 臀鰭與尾鰭結合。 (參考文獻 26938) 黏液孔沿著身體的兩邊: 前鰓 26-35, 軀幹 60-70; 尾部 9-12; 總計 101-115 。 單犬齒: 前面的 8-10; 在後部的 8-10; 總計 42-48 。 (參考文獻 40869)
Found burrowing in mud in very deep water (Ref. 26938).
發現在很深的水域中在泥中掘穴。 (參考文獻 26938)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Copulatory organ absent. The gonads of hagfishes are situated in the peritoneal cavity. The ovary is found in the anterior portion of the gonad, and the testis is found in the posterior part. The animal becomes female if the cranial part of the gonad develops or male if the caudal part undergoes differentiation. If none develops, then the animal becomes sterile. If both anterior and posterior parts develop, then the animal becomes a functional hermaphrodite. However, hermaphroditism being characterised as functional needs to be validated by more reproduction studies (Ref. 51361 ).中西大西洋: 波多黎各與維京群島。
Fernholm, B., 1998. Hagfish systematics. p. 33-44. In J.M. Jørgensen, J.P. Lomholt, R.E. Weber and H. Malte (eds.) The biology of hagfishes. Chapman & Hall, London. 578 p. (Ref. 31276)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 12 November 2009
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Estimates based on models
Preferred temperature (Ref.
123201): 3.9 - 7, mean 5.5 °C (based on 93 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00115 (0.00044 - 0.00298), b=3.03 (2.80 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.4 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (37 of 100).
