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Australoheros scitulus (Říčan & Kullander, 2003)

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Australoheros scitulus
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Brazil country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from the State of Rio Grande do Sul.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Říčan, O. and S.O. Kullander, 2003
National Database:

Common names from other countries

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

Teleostei > Cichliformes (Cichlids, convict blennies) 鱸形目 (Cichlids, convict blennies) > Cichlidae (Cichlids) 麗魚科 (Cichlids) > Cichlinae
Etymology: Australoheros: From the Latin word 'australis' meaning southern, and the name Heros, after the nominotypic genus of the Heroini tribe. Tribe.
  More on authors: Říčan & Kullander.

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

; 淡水 大洋性.   熱帶

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

South America: Río Rosario drainage in the Río de La Plata region of Uruguay, and from the lower Río Uruguay tributaries in Argentina, Uruguay and Brazil.
南美洲: 在烏拉圭的拉布拉塔河區域中的 Rio 羅沙略流域, 與從在阿根廷,烏拉圭與巴西的 Rio 烏拉圭支流下游。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 11.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 116916)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 16 - 18; 背的软条 (总数) : 7 - 10; 臀棘: 8 - 9; 臀鳍软条: 6 - 8; 脊椎骨: 26 - 27. Midlateral stripe prominent, vertical bars less intensive; black spots in dorsal, anal, and caudal fin; dark spots on the opercle and anterior flank scales. Distinguished from both C. facetum and C. tembe by having 8-9 anal-fin spines [vs. 6-7 (rarely 5 or 8), 5-7, respectively], 13-14 anal pterygiophores (vs. 12-13, 11-12, respectively), modally 17 dorsal-fin spines (vs. 16), and modally 6 gill rakers on first ceratobranchial (vs. 8, 7-8, respectively). Further distinguished from 'C.' facetum in having 14 caudal vertebrae (vs. 13) and from 'C'. tembe by a shorter caudal peduncle including only one or no vertebral centrum (vs. 3). Jaw teeth lack the second cusp (also in tembe vs. present in facetum (Ref. 51414).
侧面中央的斑纹突出的, 纵带比较不密集; 在背鳍、臀鳍 , 与尾鳍中的黑色斑点; 在鳃盖与前面的侧面鳞片上的深色的斑点。 与 C. facetum C. tembe 藉着具有 8-9根臀鳍棘区分了 [vs.6-7(很少地 5 或 8), 5-7, 分别地],13-14个肛门的支鳍骨 (vs.12-13,11-12, 分别地), 典型地 17根背鳍棘 (vs.16), 与典型地在第一个角鳃骨上的 6个鳃耙.(vs.8,7-8, 分别地) 进一步与 区分了'C.' facetum 有 14个尾部的脊椎骨 (vs.13) 与从 'C'. 包括只有一个或没有椎骨的椎体的一个较短的尾柄的 tembe.(vs.3) 颌齿缺乏第二个尖头 (也在 tembe 中 vs. 出现在 facetum.(参考文献 51414)

生物学特性     字汇 (例如 epibenthic)

Found in a large stream about 10 meters wide, the water mostly shallow, less than 1 meter deep; bottom of mixed rock, sand, and gravel, providing riffles; slightly brownish and turbid. Radiographed specimens reveal considerable amounts of small shells in the guts and intestines. The stout lower pharyngeal bone consistent with a snail diet (Ref. 51414).

发现于一个大的水流大约 10 公尺宽的了, 深地大部份水浅又少于 1 公尺处的水; 混合岩石,沙子与砾石的底部, 提供急流; 些微褐色而浑浊的。 拍 X 光线照片标本在消化道与肠显示相当多量的小贝壳。 矮胖的低咽骨一致的具有一个蜗牛食性.(参考文献 51414)

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

南美洲: 在烏拉圭的拉布拉塔河區域中的 Rio 羅沙略流域, 與從在阿根廷,烏拉圭與巴西的 Rio 烏拉圭支流下游。

主要参考文献 Upload your references | 参考文献 | 合作者 : Kullander, Sven O. | 合作者

Říčan, O. and S.O. Kullander, 2003. `Cichlasoma' scitulum: a new species of cichlid fish from the Río de La Plata region in Argentina, Brazil, and Uruguay. Copeia 2003(4):794-802. (Ref. 51414)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 04 November 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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网络资源

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

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=0.03236 (0.01760 - 0.05951), b=3.05 (2.89 - 3.21), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (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):  中等的, 族群倍增时间最少 1.4 - 4.4年 (Assuming Fec<1000).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).