分類 / Names
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Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Exoglossum: Greek, exos = outside + Greek, glossa = tongue (Ref. 45335).
Eponymy: Laura Cornelia Hubbs née Clark (1893–1988) was the wife of Carl Levitt Hubbs (q. [...] (Ref. 128868), visit book page.
More on author: Hubbs.
Environment: milieu / climate zone / 深さの範囲 / distribution range
生態学
; 新鮮な水 底生の. Temperate; 43°N - 36°N
North America: 3 areas of the upper Ohio River basin in USA: upper Allegheny River drainage in New York and Pennsylvania, and upper Genesee River (Lake Ontario drainage) in New York and Pennsylvania; upper New River drainage in West Virginia, Virginia and North Carolina; and Great Miami and Little Miami River systems in Ohio.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 16.0 cm TL オス/雌雄の選別がない; (Ref. 86798); common length : 10.0 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)
簡単な記述
検索表 | 形態学 | 形態計測学
臀鰭: 7. Exoglossum laurae is distinguished by the following characters: central body plate with fleshy lobe to either side on lower jaw; body chubby and barely compressed; deep caudal peduncle; dorsal fin origin over pelvic fin origin; snout round, mouth sub-terminal; thick upper lip thinner at middle; premaxillary frenum present; usually a small barbel near corner of mouth; complete lateral line with 47-53 scales; 7 anal rays; pharyngeal teeth 1,4-4,1. Body color olive-gray above, silver green-purple side; fins clear to light olive or light red; and small individuals with dusky stripe along side and onto snout, black caudal spot (Ref. 86798).
Body shape (shape guide): elongated.
Inhabits rocky pools and runs of creeks and small to medium rivers, often near vegetation or other cover. Males construct large circular or rectangular nests by piling pebbles carried in the mouth (Ref. 86798).
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
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 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00395 - 0.01919), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (参照
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
回復力 (参照
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (tmax=4).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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