分類 / Names
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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 / 深さの範囲 / distribution range
生態学
; 新鮮な水 外洋の; 移住性ではない. Temperate; 40°N - 39°N
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.
Length at first maturity / サイズ / 重さ / 年齢
成熟: Lm 46.5, range 44 - 49 cm
Max length : 60.0 cm TL オス/雌雄の選別がない; (Ref. 35393); 最大記録サイズ: 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).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-1)
Human uses
水産業: 興味がない
用具
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (参照
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).
栄養段階 (参照
69278): 3.4 ±0.45 se; based on food items.
回復力 (参照
120179): 低い, ４．５年～１４年の倍増期間の最小個体群 (tm=5-10; tmax=40).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
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