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) > Eptatretinae
Etymology: Eptatretus: hepta (Gr.), seven; tretos (Gr.), perforated (i.e., with holes), referring to seven gill apertures on what would later be described as Homea banksii (=E. cirrhatus) [range within genus is 6-14 pairs of gill apertures]. (See ETYFish); stoutii: In honor of Arthur B. Stout (1814-1898), surgeon and corresponding secretary of the California Academy of Sciences [see box, below]. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 非迁移的; 深度上下限 16 - 966 m (Ref. 96339). 溫帶; 58°N - 20°N, 137°W - 105°W
Eastern Pacific: southeastern Alaska to Bahia San Pablo, central Baja California, Mexico.
東太平洋: 從阿拉斯加州東南方到 Bahia San Pablo, 中央的墨西哥的下加利福尼亞。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 42.0 range ? - ? cm
Max length : 63.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 96339)
简单描述
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. No true fins - one dorsal finfold, far back, median, very low, continuous with caudal; caudal broad, rounded; ventral finfold very low, origin somewhat posterior to last gill pore, extending to anus (Ref. 6885). Dark brown, tan, gray, or brownish red, often tinted with blue or purple, never black, lighter ventrally, rarely with large patches of white; preserved specimens light brown (Ref. 6885).
没有真实的鳍 - 一背部的鳍褶, 远在背上，中央的，和非常低的, 与尾部的续接在一起; 尾部的宽, 圆的; 腹面鳍褶非常低的, 起源略微在被延伸至肛门的最后的鳃孔后面.(参考文献 6885) 深褐色的，黄褐色的，灰色的，或红褐色的, 时常带有了蓝色或者紫色, 从不黑色的，腹部颜色较淡, 很少有白色的大区块; 保存的标本淡褐色.(参考文献 6885)
Inhabits fine silt and clay bottoms (Ref. 6885). Enters large fishes by way of the mouth and anus and feed on its viscera and muscles (Ref. 6885). May greatly diminish catches taken with fixed gears (Ref. 6885). Produces mucilaginous slime when harassed (Ref. 6885). Probably exhibits hermaphroditism (Ref. 56947). Due to its primitive metabolism it is collected for research purposes (Ref. 6885). TBK: demerspelag.
栖息于细沙与泥土底部。 (参考文献 6885) 经由嘴与肛门进入大鱼体内而且吃它的内脏与肌肉.(参考文献 6885) 可能急遽的减少捕获用定置网采集了。 (参考文献 6885) 被攻击时会分泌黏稠的黏液.(参考文献 6885) 可能展现雌雄同体性。 (参考文献 56947) 由于它的原始代谢作用它被为研究目的而收集。 (参考文献 6885)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Copulatory organ absent (Ref. 51361). Presence of bisexual juvenile gonad, requires further investigation regarding hermaphroditism (Ref. 56947). In one study (Ref. 40710), hermaphroditism is exhibited by only 0.2% of the individuals studied.東太平洋: 從阿拉斯加州東南方到 Bahia San Pablo, 中央的墨西哥的下加利福尼亞。
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)
人类利用
渔业: 没有兴趣; 水族馆: 公众的水族馆
更多信息
参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.声音神经毒速度泳型鳃区Otoliths脑重体重比眼睛色素
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Estimates based on models
Preferred temperature (Ref.
123201): 5.8 - 9.4, mean 7.1 °C (based on 54 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00288 (0.00170 - 0.00489), b=2.88 (2.73 - 3.03), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 4.2 ±0.70 se; based on food items.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Fec = 28).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (45 of 100).
