分類 / Names
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Perciformes/Percoidei (Perchs) >
Percidae (Perches) > Etheostomatinae
Etymology: Etheostoma: Greek, etheo = to strain + Greek, stoma = mouth; Rafinesque said "various mouths", but Jordan and Evermann suggest the name might have been intended as "Heterostoma (Ref. 45335); acuticeps: From the words acute, meaning sharp; and ceps, head (Ref. 10294).
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性. Temperate; 37°N - 36°N
North America: found only in Holston and Nolichucky River systems (Tennessee River drainage) in western Virginia, western North Carolina and eastern Tennessee, USA.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 8.4 cm TL オス/雌雄の選別がない; (Ref. 5723); common length : 5.5 cm TL オス/雌雄の選別がない; (Ref. 12193); 最大記録サイズ: 3.00 年 (Ref. 10294)
Occurs in fast, deep rocky riffles in small to medium rivers (Ref. 5723, 10294).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Eggs are left buried in small gravel and pebbles (Ref. 6466).
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)
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 (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00235 - 0.01227), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (tmax=3; Fec=100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
