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Characidium occidentale Buckup & Reis, 1997

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

Argentina country information

Common names: Mojarrita, Tritolo
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist: Argentina
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ar.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: López, H.L., A.M. Miquelarena and J. Ponte Gómez, 2005
National Database:

Common names from other countries

Mojarrita, 巴西溪脂鲤, Tritolo, ... more

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

Teleostei > Characiformes (Characins) > Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335).
  More on authors: Buckup & Reis.

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

; 淡水 底中水层性.   亞熱帶的

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

South America: left bank tributaries of the middle Uruguay River basin in Brazil (Ref. 37059). Reported from Argentina (Ref. 56308).
南美洲: 離開了中央烏拉圭河流域的岸支流。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 4.8 cm SL 雄鱼/尚未辨别雌雄; (Ref. 37059)

简单描述 检索表 | 型态特徵 | 形态测量图

背的软条 (总数) : 12 - 14; 臀鳍软条: 9. Dark spots on dorsal fin form a continuous band across rays; anterior portion of anal fin of males with one or two conspicuous dark blotches, followed by smaller spots on the posterior portion. The third or fourth ray of the pelvic fin longest, reaching the area between anal opening and anal fin origin or reaching anal fin origin (Ref. 27672).
在背鳍上的深色的斑点形成一个横过鳍条的连续的条纹; 臀鳍的前部雄性有在后面的部分上被跟随着较小的斑点的一或二个显着的黑色斑块。 腹鳍的第三或第四个鳍条长的, 达到在肛门开口与臀鳍起源之间的区域或者达成臀鳍起源.(参考文献 27672)

生物学特性     字汇 (例如 epibenthic)

Known from the type locality which is a small creek with clear water and slow to moderate current, with loose stones, and in some places, mud on the bottom. Low vegetation are found along stream margins (Ref. 27672).

已知来自方式标本产地是小的小溪，水质清澈的地方而缓慢到中等的水流, 藉由松散的石头, 与在一些地方中, 在底部上的泥。 低的植物被发现沿着水流边缘.(参考文献 27672)

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

南美洲: 離開了中央烏拉圭河流域的岸支流。

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

Buckup, P.A. and R.E. Reis, 1997. Characidiin genus Characidium (Teleostei, Characiformes) in Southern Brazil, with description of three new species. Copeia 1997(3):531-548. (Ref. 27672)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 06 May 2020

CITES (Ref. 128078)

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 = 0.5000   [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):  3.4   ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).