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Gymnotus tigre Albert & Crampton, 2003

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drawing shows typical species in Gymnotidae.

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

Teleostei > Gymnotiformes (Knifefishes) 電鰻目 (Knifefishes) > Gymnotidae (Naked-back knifefishes) 裸背電鰻科 (Naked-back knifefishes) > Gymnotinae
Etymology: Gymnotus: Greek, gymnos = naked (Ref. 45335);  tigre: Specific epithet from the common name used in the local aquarium trade referring to the tiger-like markings (Ref. 49716).

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

; 淡水 底中水層性. 熱帶

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South America: Río Amazon basin, Río Pastaza basin in Ecuador to the Tapajós basin in Brazil.
南美洲: Rio 亞馬遜河流域, 在厄瓜多到的 Rio Pastaza 流域在巴西的 Tapajos 流域。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 41.1 cm TL 雄魚/尚未辨別雌雄; (Ref. 49716)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 0; 背的軟條 (總數) : 0; 臀鰭軟條: 190 - 240. Presence of irregular pale-yellow blotches on chin, behind and under eyes, over opercle, and between eyes; pale yellow bands on body with straight, high contrast margins, as broad or broader than brown bands anteriorly; obliquely oriented hyaline and dark stripes at caudal end of anal fin (Ref. 49716).
出現在下巴上的不規則的白黃色的斑塊,在眼後上方,在鰓蓋之上, 與在眼之間; 在身體有直線上的白黃色的條紋,高度地對比邊緣, 當寬或較寬的超過褐色條紋前面地; 在臀鰭的尾部末端的斜向透明而深色的斑紋.(參考文獻 49716)

生物學特性     字彙 (例如 epibenthic)

Facultative air-breathing in the genus (Ref. 126274)

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

南美洲: Rio 亞馬遜河流域, 在厄瓜多到的 Rio Pastaza 流域在巴西的 Tapajos 流域。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Campos-da-Paz, Ricardo | 合作者

Albert, J.S. and W.G.R. Crampton, 2003. Seven new species of the neotropical electric fish Gymnotus (Teleostei, Gymnotiformes) with a redescription of G. carapo (Linnaeus). Zootaxa 287:1-54. (Ref. 49716)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 23 November 2020

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 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.4   ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (31 of 100).