分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Characidae (Characins; tetras) > Aphyocharacinae
Etymology: Aphyocharax: Greek, aphye, -es, sardine, anchovy + Greek, charax = a marine fish; diminutive (Ref. 45335); yekwanae: Named for the Ye'Kwana tribe that lives and oversees most of the Río Caura basin.
Eponymy: This species is named after the Ye’Kwana people (also ‘Ye-kuana’ – see above). They live in and oversee most of the Río Caura basin, Brazil. They are well known for their “…fervid desire to protect and manage their home territory and its environment.” (Ref. 128868), visit book page.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 大洋性. 熱帶
South America: Venezuela.
南美洲: 委內瑞拉。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 5.6 cm SL 雄鱼/尚未辨别雌雄; (Ref. 49521)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 9; 臀鳍软条: 15 - 17; 脊椎骨: 36 - 37. Body with bright red coloration, from vertical through second to fifth branched anal-fin ray to vertical through apex of fork in caudal fin; adipose and posterior 2/3 of anal fin red. This coloration is believed to be autapomorphic. Distal margin of anal fin clear. Maxillary teeth 11-16; incompletely toothed maxilla (Ref. 49521).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
身体有鲜红色颜色, 从垂直的整个第二个对第五个分枝的臀鳍鳍条到垂直的经过尖顶叉子在尾鳍; 脂鳍与在后部臀鳍红色中的 2/3。 这一个颜色被相信是 autapomorphic 。 臀鳍的末梢部边缘清澈的。 上颚齿 11-16; 不完全有齿的颚骨.(参考文献 49521)
Common in the lee side of islands and protected backwaters of the main river channel; sand with some rocks bottom. Also collected near mouths of streams where it could be muddy and covered with terrestrial plant leaves. Aquatic vegetation almost always absent; water clear to moderately turbid (Ref. 49521).
常见于主要河峡道的岛与有遮蔽的洄水区的背风面; 沙子有一些岩石底部。 也收集近的溪流口在哪里它可能是泥泞的而且覆盖着陆栖的植物树叶。 水生植物几乎总是不存在; 水清澈的到一般浑浊.(参考文献 49521)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 委內瑞拉。
Willink, P.W., B. Chernoff, A. Machado-Allison, F. Provenzano and P. Petry, 2003. Aphyocharax yekwanae, a new species of bloodfin tetra (Teleostei: Characiformes: Characidae) from the Guyana Shield of Venezuela. Ichthyol. Explor. Freshwat. 14(1):1-8. (Ref. 49521)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
易受伤害 (VU) (B1ab(iii)+2ab(iii)); Date assessed: 18 August 2017
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基于模型的估算
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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