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Teleostei >
Cypriniformes (Carps) >
Catostomidae (Suckers) > Catostominae
Etymology: Chasmistes: Greek, chanos, -eos, ous, and chasma, -atos = abyss, mouth opened, inmensity (Ref. 45335).
More on author: Jordan.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水 大洋性; 非迁移的. 溫帶; 40°N - 39°N
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国家 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
North America: Utah Lake and its tributaries in Utah, USA. Two subspecies were recognized: Chasmistes liorus liorus from Utah Lake; and Chasmistes liorus mictus may have arisen as a hybrid between Chasmistes liorus liorusand Chasmistes ardens and replaced the original form of Chasmistes liorus.
北美洲: 在美國猶他州的猶他湖的特有種與 Provo 河下游。
Length at first maturity / 大小 / 重量 / 年龄
成熟度: Lm 46.5, range 44 - 49 cm
Max length : 60.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 35393); 最大年龄: 40 年 (Ref. 35393)
Formerly most common in deep waters of Utah Lake. Used tributaries of lake for spawning (Ref. 5723, 86798). Adults are pelagic and feed on aquatic invertebrates in the mid-water column. Juveniles inhabit emergent vegetation, apparently as refuge from predators (Ref. 35293).
犹他湖的从前常见于深水域。 湖的支流被用来产卵。 成鱼是大洋性的而且在中层水域水团中吃水生无脊椎动物。 稚鱼栖息于突出的植物, 显然地作为躲避掠食者之用.(参考文献 35293)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
北美洲: 在美國猶他州的猶他湖的特有種與 Provo 河下游。
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
极度濒危 (CR) (A2be); Date assessed: 02 November 2011
人类利用
渔业: 没有兴趣
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Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00281 - 0.02830), b=2.96 (2.71 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.4 ±0.45 se; based on food items.
回复力 (参考文献
120179): 低的, 最小族群倍增时间4.5 - 14 年 (tm=5-10; tmax=40).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
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