分类 / Names
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Teleostei >
Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Andromakhe: Named for Áνδρομάχη, Andromakhe (‘battle of men’), a character in Greek mythology, she is the wife of Hector, Prince of Troy, and, in Homer’s epic poem Iliad, the mother of Ἀστυάναξ, Astyanax (‘city protector’)..
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 亚热带的
South America: Bermejo River basin in Argentina.
南美洲: 在阿根廷的 Bermejo 河流域。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 4.4 cm SL 雄鱼/尚未辨别雌雄; (Ref. 55782)
简单描述
检索表 | 型态特徵 | 形态测量图
Distinguished by a combination of the following characters: somewhat rhomboidal body; 24-29 branched anal fin rays; 1-4 maxillary teeth; long pectoral fins (23.2-26.6% SL) always reaching one third of pelvic fin rays; long pelvic fins (17.6-22.0 % SL) always surpassing anal fin origin; anal fin base long (32.3-36.7% SL); 26-27 gillrakers on first branchial arch; lateral band extremely narrow; one large vertically elongated humeral spot and a second one very faint; relatively shallow caudal peduncle (10.0-11.4% SL); fifth tooth of inner premaxillary series very small and scarcely posterior to main series; origin of anal fin below dorsal fin (Ref. 55782).
区别的特征为下列特征的一个组合了: 略微长菱形的身体; 24-29个分枝的臀鳍棘条; 1 - 4 上颚齿; 长的胸鳍 (23.2-26.6% SL) 总是达到三分之一腹鳍鳍条; 长的腹鳍 (17.6-22.0% SL) 总是胜过的臀鳍起源; 臀鳍基底长的 (32.3-36.7% SL); 在第一个鳃弓上的 26-27个鳃耙; 侧面的条纹非常狭窄; 一个大的垂直瘦长的肩部斑点与第二个非常模糊的; 相当浅的尾柄 (10.0-11.4% SL); 内部上颌骨前的系列的第五个牙齿非常小的而且几乎不在主要的系列后面; 在背鰭之下的臀鰭起點.(參考文獻 55782)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
南美洲: 在阿根廷的 Bermejo 河流域。
Mirande, J.M., G. Aguilera and M. Azpelicueta, 2004. A new species of Astyanax (Characiformes, Characidae) from the upper rio Bermejo basin, Salta Argentina. Rev. Suisse Zool. 111(1):213-223. (Ref. 55782)
世界自然保护联盟红皮书 (Ref. 130435)
濒危 (EN) (B1ab(iii)); Date assessed: 14 December 2020
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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=0.01000 (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).
营养阶层 (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
