分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Myxini
盲鳗纲 (丑鱼) (hagfishes) >
Myxiniformes (Hagfishes) >
Myxinidae (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).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 非迁移的; 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 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 47.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 26938)
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) : 0; 臀棘: 0; 臀鳍软条: 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).
身体灰色; 头部白色; 没有鳞片。 内在的鳃囊 7, 在两边上连接到一个鳃裂了。 背部的与偶鳍不存在; 臀鳍与尾鳍结合。 (参考文献 26938) 黏液孔沿着身体的两边: 前鳃 26-35, 躯干 60-70; 尾部 9-12; 总计 101-115 。 单犬齿: 前面的 8-10; 在后部的 8-10; 总计 42-48 。 (参考文献 40869)
Found burrowing in mud in very deep water (Ref. 26938).
发现在很深的水域中在泥中掘穴。 (参考文献 26938)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
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)
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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 (0.00045 - 0.00296), b=3.03 (2.80 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.6 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (37 of 100).