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Roestes itupiranga Menezes & Lucena, 1998

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drawing shows typical species in Acestrorhynchidae.

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Characiformes (Characins) > Acestrorhynchidae (Smallscale pike characins) > Roestinae
Etymology:

Issue
See Lucena & Menezes (1998) for phylogenetic relationships and Menezes & Lucena (1998) for detailed description.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 底中水层性. 熱帶

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South America: Rio Tocantins basin, Brazil.
南美洲: Rio Tocantins 流域巴西。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 14.2 cm SL 雄鱼/尚未辨别雌雄; (Ref. 33012)

简单描述 检索表 | 型态特徵 | 形态测量图

臀棘: 4 - 5; 臀鳍软条: 38 - 41; 脊椎骨: 39. Roestes itupiranga has fewer branched anal-fin rays (38-41) than R. molossus (43-47) and than R. ogilviei (41-43). Can be further distinguished from R. ogilviei by having more scale rows between lateral line and anal-fin origin (18-19, versus 15-16) and more scale rows around caudal peduncle (31-31, versus 27-28).
Roestes itupiranga 超过 R. molossus(43-47) 与 R. ogilviei 有较少的分枝臀鳍棘条 (38-41) 。 (41-43) 可能是与进一步区分的 R. ogilviei 尾柄的周围藉着具有在侧线与臀鳍起源 (18-19, 对 15-16) 与更多的鳞片列之间的更多的鳞片列.(31-31, 对 27-28)

生物学特性     字汇 (例如 epibenthic)


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

南美洲: Rio Tocantins 流域巴西。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Menezes, N.A. and C.A.S. de Lucena, 1998. Revision of the subfamily Roestinae (Ostariophysi: Characiformes: Cynodontidae). Ichthyol. Explor. Freshwat. 9(3):279-291. (Ref. 33012)

世界自然保护联盟红皮书 (Ref. 130435)

  次级保育类动物, 见 IUCN 红皮书 (VU) (B1ab(iii)); Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00182 - 0.01257), b=3.13 (2.90 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  4.0   ±0.7 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).