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Sternarchella orthos Mago-Leccia, 1994

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No image available for this species;
drawing shows typical species in Apteronotidae.

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) > Apteronotidae (Ghost knifefishes) 無背魚科 (Ghost knifefishes) > Apteronotinae
Etymology: Sternarchella: Greek, sternon = sternon, + Greek, diminutive, archos = anus (Ref. 45335).

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: Orinoco River basin, mostly in the channel of main rivers.
南美洲: 奧里諾科河河流域, 大部份在主要河川的峽道中。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 36886)

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: 165 - 178. Slightly superior mouth; 165-178 anal rays; dorsal profile slightly convex to almost straight; body depth 12-15% in length to end of anal fin (LEA) and 14-17% of anal fin base; eye diameter and interocular distance 6-8% and 13-17% in head length, respectively; anal fin origin below base of pectorals or slightly forward, but not beyond gill opening; head depth at nape, 62-71% in head length.
些微上方的嘴; 165-178個臀鰭鰭條; 背面輪廓些微中凸到幾乎直的; 體高 12-15% 長臀鰭 (LEA) 與 14-17% 的臀鰭基底結束; 眼直徑與眼間距離 6-8% 與 13-17% 分之一頭長, 分別地; 在胸鰭基底之下的臀鰭起源或些微地向前, 但是不超過鰓裂; 在後頸， 62-71% 分之一頭長的頭部深度。

生物學特性     字彙 (例如 epibenthic)


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

南美洲: 奧里諾科河河流域, 大部份在主要河川的峽道中。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Albert, James S. | 合作者

Evans, K.M., W.G.R. Crampton and J.S. Albert, 2017. Taxonomic revision of the deep channel electric fish genus Sternarchella (Teleostei: Gymnotiformes: Apteronotidae), with descriptions of two new species. Neotrop. Ichthyol. 15(2):1-30. (Ref. 126780)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 06 October 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 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00145 - 0.00871), b=3.06 (2.85 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.3   ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (20 of 100).