分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Percoidei (Perchs)
鱸形目 (Perchs) >
Percidae (Perches)
鱸科 (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); olivaceum: olivaceum refers to the coloration (Ref. 10294).
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 底中水層性. 亞熱帶的; 37°N - 35°N
North America: found only in the lower Caney Fork system and nearby tributaries of Cumberland River in central Tennessee, USA.
北美洲: 發現在中央的美國田納西州中只在 Caney Fork 系統下游與康勃蘭河的附近支流中。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 8.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5723); common length : 5.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193); 最大年齡: 2.00 年 (Ref. 12193)
Inhabit rocky pools and nearby riffles of headwaters and creeks (Ref. 5723); also found in streams (Ref. 10294). Often found in very shallow water less than 4 m deep (Ref. 5723). Juveniles feed on midge larvae and microcrustaceans; adults on midge larvae, other immature aquatic insects (mayflies, caddisflies, stoneflies), isopods and amphipods (Ref. 10294). Eggs are found clustered on underside of stone and guarded by males (Ref. 7043).
棲息於河源上游與小溪的岩石水池與附近急流;(參考文獻 5723) 也發現於溪流。 (參考文獻 10294) 時常發現於很淺的水域少於 4 公尺深.(參考文獻 5723) 稚魚吃蚊仔魚與小型甲殼類動物; 成魚捕食蚊仔魚, 其他的水生昆蟲的不成熟的 (孚游類， caddisflies, 石蠅), 等足目動物與片腳類動物.(參考文獻 10294)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Eggs are found clustered on underside of stone (Ref. 7043). Males guard the eggs (Ref. 7043).北美洲: 發現在中央的美國田納西州中只在 Caney Fork 系統下游與康勃蘭河的附近支流中。
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 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 22 December 2011
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基於模型的估計
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00303 - 0.01510), b=3.12 (2.94 - 3.30), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
回復力 (參考文獻
120179): 高度, 族群倍增時間少於 15個月 (tmax=2).
釣魚的脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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