分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps)
鯉形目 (Carps) >
Catostomidae (Suckers)
亞口魚科 (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 / depth range / distribution range
生態學
; 淡水 大洋性; 非遷移的. 溫帶; 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.
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 / 年齡
Maturity: Lm 46.5, range 44 - 49 cm
Max length : 60.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 35393); 最大年齡: 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).
猶他湖的從前常見於深水域。 湖的支流被用來產卵。 成魚是大洋性的而且在中層水域水團中吃水生無脊椎動物。 稚魚棲息於突出的植物, 顯然地作為躲避掠食者之用.(參考文獻 35293)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435)
極危 (CR) (A2be); Date assessed: 02 November 2011
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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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.4 ±0.45 se; based on food items.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (tm=5-10; tmax=40).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
