分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Catostomidae (Suckers) > Catostominae
Etymology: Chasmistes: Greek, chanos, -eos, ous, and chasma, -atos = abyss, mouth opened, inmensity (Ref. 45335).
More on author: Cope.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的; 河川洄游 (Ref. 51243). 溫帶; 41°N - 40°N
North America: Pyramid and Winnemucca lakes in Nevada, USA.
北美洲: 在美國內華達州的金字塔與 Winnemucca 湖。 國際間的買賣禁止 ( 引用 I, 自從 1.7.1975 以後)
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 67.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); 最大体重: 2.7 kg (Ref. 40637); 最大年龄: 41 年 (Ref. 47054)
Occurs in deep water. Spawns only around margin of Pyramid Lake in Nevada, USA but formerly made spectacular spawning runs up Truckee River in Nevada, USA. Populations were subject to intensive fishing in the 19th and early 20th century; habitats have been greatly altered by water development projects; species is now endangered (Ref. 47054).
出现于深水域。 只在美国内华达州的金字塔湖的边缘的周围产卵但是在美国内华达州的 Truckee 河上面从前进行大规模产卵小支流。 族群是受在 19 世纪与 20 世纪初中密集的渔补支配; 栖息地曾经被水发展突出剧烈改变; 种是现在濒临绝种的。 (参考文献 47054)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
北美洲: 在美國內華達州的金字塔與 Winnemucca 湖。 國際間的買賣禁止 ( 引用 I, 自從 1.7.1975 以後)
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
世界自然保护联盟红皮书 (Ref. 130435)
濒危 (EN) (B1ac(ii,iv)+2ac(ii,iv)); Date assessed: 02 November 2011
人类利用
渔业: 低经济
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00202 - 0.01242), b=3.09 (2.87 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 非常低的, 最小族群倍增时间超过14 年 (tm=14-17; Fec=30,000).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (47 of 100).
