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Cynopotamus essequibensis Eigenmann, 1912

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drawing shows typical species in Characidae.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Characiformes (Characins) 脂鯉目 (Characins) > Characidae (Characins; tetras) 脂鯉科 (Characins; tetras) > Characinae
Etymology: Cynopotamus: Greek, kyon = dog + Greek, odous = teeth + Greek, potamos = river (Ref. 45335).
More on author: Eigenmann.

Issue
See Menezes (1976: 30) for detailed description.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 底中水層性. 熱帶

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

South America: Coastal drainages of Amapá (Brazil), Guyana, Suriname and French Guiana.
南美洲: Amapa(巴西) ，蓋亞那，蘇利南與法屬圭亞那的海岸流域。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 35496)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 2; 背的軟條 (總數) : 9; 臀棘: 4; 臀鰭軟條: 36 - 43. Large eyes, orbital diameter equal to or slightly longer than snout length. Gibbosity very pronounced.
大的眼 , 眼窩的直徑等於或略長於吻的長度。 凸圓非常明顯的。

生物學特性     字彙 (例如 epibenthic)

Is a predator whose main food is not known. Appears to prefer an environment with fast current over rocky bottom which is typical of the rapids. Frequently found in the upstream areas of rivers (Ref. 12225).

不為人所知的是一個掠食者。 似乎偏愛一個環境且水流快速的地方岩石的底部之上是典型的急流。 時常發現於河的上游了。 (參考文獻 12225)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

南美洲: Amapa(巴西) ，蓋亞那，蘇利南與法屬圭亞那的海岸流域。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Lucena, C.A.S. and N.A. Menezes, 2003. Subfamily Characinae (Characins, tetras). p. 200-208. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36811)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 04 March 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5002   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00659 - 0.03318), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.9   ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).