Bryconamericus ikaa

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Bryconamericus ikaa Casciotta, Almirón & Azpelicueta, 2004

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Bryconamericus ikaa
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drawing shows typical fish in this Family.

分类 / Names 俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 辐鳍鱼纲 (条鳍鱼) > Characiformes (Characins) > Characidae (Characins) > Stevardiinae
Etymology: Bryconamericus: Greek, bryko = to bite + America, latinized (Ref. 45335).

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

; 淡水 底中水层性; 深度上下限 0 - 2 m (Ref. 52417).   亚热带的

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

South America: Rio Iguazú basin, Argentina.
南美洲: rio Iguazu 流域,阿根廷。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 6.8 cm SL 雄鱼/尚未辨别雌雄; (Ref. 111771); 最大体重: 6.70 g (Ref. 111771)

简单描述 型态特徵 | 形态测量图

Differs from all congeneric species by the combination of the following characters: premaxilla with 4-6 teeth on the outer row, teeth aligned and tricuspidate or tetracuspidate, maxillary teeth 3-4 and usually pentacuspidate, 18-21 branched anal-fin rays, lateral line with 36-38 perforated scales, a short peduncle (11.6-13.3% SL), a ventrally elongated black humeral spot, a very faint second humeral spot and a narrow black lateral band (Ref. 52417).
有别于所有的同属种藉由下列特征的组合: 前颌骨有 4-6 个牙齿在外部的列, 齿排列与三尖的或者 tetracuspidate, 上颚齿 3-4 与通常 pentacuspidate, 18-21个分枝的臀鳍棘条, 侧线有 36-38个有排孔的鳞片,一个短的梗 (11.6-13.3% SL) ,一个腹瘦长黑色的肩部斑点,一个非常模糊的第二个肩部的斑点与一个狭窄的黑色侧面的条纹.(参考文献 52417)

生物学特性     字汇 (例如 epibenthic)

Collection sites have rapids with clear flowing water, pools and some areas of slow current. Bottom substrate includes mud, sand and mostly stones. Water depth ranges from 0.40-2m and temperate of the water near surface during summer is about 26° C (Ref. 52417).

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

南美洲: rio Iguazu 流域,阿根廷。

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

Casciotta, J.R., A.E. Almiron and M.D.L.M. Azpelicueta, 2004. Bryconamericus ikaa, a new species from tributaries of the río Iguazú in Argentina (Characiformes, Characidae). Ichthyol. Explor. Freshwat. 15(1):61-66. (Ref. 52417)

世界自然保护联盟红皮书 (Ref. 120744)

  不评价 

CITES (Ref. 118484)

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 |

更多信息

国家
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食物消耗量
定量
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捕食者
生态毒物学
繁殖
成熟度
产卵场
产卵群集
孕卵数

卵的发育
年龄范围
成长
体长-体重
体长-体长
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形态测量图
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稚鱼动力学
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鳃区
Otoliths
脑重体重比
眼睛色素

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特别资料

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网络资源

Aquatic Commons | BHL | Cloffa | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(基因组, 核苷酸) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | 树状分类阶层 | Wikipedia(转至, 搜寻) | World Records Freshwater Fishing | Zoobank | 动物学的记录

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00502 - 0.02394), b=3.01 (2.82 - 3.20), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  2.6   ±0.3 se; Based on size and trophs of closest relatives
回复力 (Ref. 120179):  .
脆弱性 (Ref. 59153):  Low vulnerability (10 of 100) .