分類 / Names
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Esociformes (Pikes and mudminnows) >
Umbridae (Mudminnows)
Etymology: Umbra: Latin, umbra, -ae = shadow, in the sense of phantom; due to its quick movements (Ref. 45335); limi: limi meaning of the mud (Ref. 10294).
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の; pH range: 6.0 - 6.5; dH range: 3 - 8. Temperate; 17°C - 22°C (Ref. 1672); 52°N - 36°N
North America: St. Lawrence-Great Lakes, Hudson Bay (Red River) and Mississippi River basins from Quebec to Manitoba in Canada and south to Ohio, Tennessee and Arkansas, USA; Hudson River drainage (Atlantic Slope) in New York, USA. Isolated populations in Missouri River drainage of South Dakota and Iowa, USA.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 14.0 cm TL オス/雌雄の選別がない; (Ref. 5723); common length : 8.2 cm TL オス/雌雄の選別がない; (Ref. 12193); 最大記録サイズ: 4 年 (Ref. 12193)
Facultative air-breathing (Ref. 126274); Occurs in quiet areas of streams, sloughs, swamps and other wetlands over mud and debris (Ref. 5723, 10294). Often found in dense vegetation. Tolerates drought, low oxygen levels and extremes water temperature (Ref. 5723). Feeds on aquatic insects, amphipods, isopods, and snails (Ref. 10294).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
水産業: 商業; 水族館・水槽: 商業
用具
特記事項
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6329 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00186 - 0.01174), b=3.14 (2.92 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.7 ±0.2 se; based on diet studies.
回復力 (Ref.
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Fec = 1,500; K=0.3).
Fishing Vulnerability (Ref.
59153): Low vulnerability (13 of 100).
